Solar Impulse Logbook (ENG)

EXPLORATION
TO CHANGE
the WORLD

EXPLORATION
TO CHANGE
the WORLD
REF:EN–160810
An idea born in Switzerland
“Solar Impulse has flown more than
40,000 kilometers without fuel, but with
an inexhaustible supply of energy and
inspiration. This is a historic day for Captain
Piccard and the Solar Impulse team, but it
is also a historic day for humanity. You may
be ending your around the world flight today,
but the journey to a more sustainable world
is just beginning. The Solar Impulse team is
helping to pilot us to that future.”
BAN KI-MOON, UN SECRETARY-GENERAL

SOLAR IMPULSE
AN AMBASSADOR
FOR A
CLEAN FUTURE
One could easily imagine oneself in a
Jules Verne novel: a team wanting to
promote renewable energies sets off
around the world in a solar airplane,
aiming to fly without fuel or pollution…
A new utopia? A great science fiction
scenario? On the contrary, an innovative
technological challenge! A project ambi-
tious enough to arouse the emotions and
unleash passions: to harness clean and
renewable energies and use them freely
to fly day and night.
Is it possible to invent a more responsible
future? The only way to find out is to try…
with the necessary means. By writing
new pages of aviation history using solar
energy, Solar Impulse is demonstrating the
enormous potential of clean technologies
for energy saving and renewable energy
production.
H.S.H. Prince
Albert II of Monaco
“A technological and
human adventure
that encapsulates
the challenges of
the 21st century
and shows change
is possible.”
James Cameron
“A great way to
attract attention
to the issue of
solar energy.”
“A WEAPON […] TO SHOW
THE NEED TO POWER
OUR WORLD ON CLEAN
ENERGY”SIR RICHARD BRANSON
2 / RTW LOGBOOK / SOLAR IMPULSE

STRATOSPHERIC
BALLOON FNRS
Auguste Piccard
Invention of the
pressurized cabin
and first ascent into
the stratosphere
in 1931, reaching
an altitude of
16,000 m/52,000 feet.
BATHYSCAPHE
TRIESTE
Jacques Piccard
The construction
of the bathyscaphe
(invented by Auguste)
and deepest dive ever
to the bottom of the
Mariana Trench at
10,916 m/36,000 feet.
BREITLING
ORBITER 3 BALLOON
Bertrand Piccard
First non-stop balloon
flight around the world,
and the longest flight
in distance and duration
in aviation history
45,000 km/27,900 miles
in 20 days.
PIONEERING SPIRIT
EXPLORING
THE UNKNOWN
With each of their great “firsts”, the adven-
turers of the last century constantly pushed
back the limits of the impossible. Today,
the drive to make new discoveries must go
on, with the aim of improving quality of life
on our planet.
“The question now is not so much whether
humans can go even further afield and
populate other planets, but rather how
to organize things so that life on Earth
becomes more worthy of living.” wrote
Auguste Piccard in 1931.
In line with the Piccard Family tradition
of scientific exploration and protection of
the environment, Solar Impulse wants to
demonstrate that clean technologies can
achieve impossible goals. If an airplane can
fly day and night with no fuel, everybody
could use these same technologies on the
ground to save natural resources.
One of our ambitions with Solar Impulse
is to challenge conventional thinking to
inspire innovation, hope and action among
citizens and key opinion leaders.
“A GIANT STEP FORWARD
SENDING A STRONG
MESSAGE TO PEOPLE
AROUND THE WORLD”
BAN KI-MOON
4 / RTW LOGBOOK / PIONEERING SPIRIT

THE PILOTS
THE FLYING
EXPLORERS
In an unpressurized and unheated cockpit
for very long flight durations, will have to
demonstrate outstanding endurance and
vigilance in spite of extreme conditions.
ANDRÉ BORSCHBERG
An engineer by education,
and savvy entrepreneur, André
Borschberg has solid experience
in creating and managing
companies, as well as in flying.
As co-founder of Solar Impulse,
his passion for aviation and his
interest in innovative solutions
have brought him to lead the
technical team and develop
the strategy to design and build
the Solar Impulse airplanes.
BERTRAND PICCARD
A medical doctor, explorer
and global influencer, achieved
the first ever non-stop round-
the-world balloon flight. Initiator
of Solar Impulse, he brought
together the partners to fund
this project. Linking science
with adventure to promote clean
technologies, he develops the
project’s philosophy and outlines
its symbolic and political reach.
THE SYNERGY
BETWEEN THESE
TWO MEN IS A KEY
SUCCESS FACTOR OF
THE PROJECT AS WELL
AS AN APPEALING
HUMAN STORY
Bertrand by André
“Bertrand is a
pioneer, but not a
dreamer. He has
a disconcerting
way of thinking:
Always going
beyond common
assumptions. But
isn’t that the only
way to reach the
impossible?”
André by Bertrand
“I, who have always
done things by intu-
ition and imagination,
found myself beside an
entrepreneur with an
impressive capacity to
work and think ahead.
Our association made
the perfect equation:
1 + 1 = 3 which resulted
in Solar Impulse.”
Daily requirement
for nourishment
2.4 kg (5.2 lbs.) of food,
2.5 l (84.5 oz.) of water
and 1 l (33.8 oz.) of
sports drinks
Fatigue management
through self-hypnosis
and meditation techniques
Living space of 3.8 m3
fitted with a couchette
seat with integrated toilet
Intelligent nylon fiber
used in pilot’s clothing for
a stable body temperature
Live satellite connection
to the Mission Control Center
Resting strategy
about 12 x 20 mins
during a 24 h cycle
over unpopulated
areas
Tests of vigilance
carried out 4 times a day
Human endurance
for a flight lasting
5 consecutive days
and nights
6 / RTW LOGBOOK / THE PILOTS
Tailor-made autopilot
incorporating a flight-envelope
monitoring system capable
of alerting the pilot through
vibrations on his arms

THE PLANE
FLYING
LABORATORY
What major civil and military aircraft
makers thought impossible has been
achieved by the ingenuity of the Solar
Impulse team.
A REVOLUTION
A MAJOR ADVANCE
IN MATERIALS,
LIGHTWEIGHT
TECHNOLOGY
AND ENERGY
EFFICIENCY
DEMONSTRATING
THE POTENTIAL
OF CLEAN
TECHNOLOGY
André Borschberg
Between the vision
and its implementation,
there are numerous
challenges to be met.
However, it is
extremely important
to transform ideas
into reality.
8 / RTW LOGBOOK / THE PLANE
Weight
of a family car
2,300 kg (5,070 lbs)
Unpressurized and
unheated cockpit
for a solo pilot
Maximum power
4 engines of 13.5 kw
(17.4 hp)
Maximum indicated
air speed
of 90 km/h (49 kts)
Maximum cruising
altitude
of 8,500 m (28,000 ft)
Average power
over 24 h
of a small motorcycle
17,248 photovoltaic
solar cells
only 135 microns thick,
as fine as a hair
Wingspan
of a B-747 Jumbo Jet
72 m (236 ft)

MISSION CONTROL CENTER
15%ANGLE DES RAYO
12°
E
N
SOLEILLEMEN
SUN ANGLE
11.6% 10% 9.2%
THE MILESTONES
AROUND THE
WORLD WITH
NO FUEL
40,000 km only powered by solar energy
from Abu Dhabi, our departure and arrival
Host City, to Oman, India, Myanmar, China,
Japan, U.S.A, back to Europe and Abu Dhabi.
As with all great firsts, there are no bench-
marks. Solar Impulse 2 will have to do what
no airplane has ever done before: fly days
and nights without using any fuel to cross
oceans from one continent to the next.
Strategies have to be invented from scratch.
CAPCOM
is responsible
for direct voice
communications
with the pilot.
FLIGHT DIRECTOR
manages the team,
and together with the
pilots, takes the main
strategic decisions..
MISSION
ENGINEERS
draw up the flight
plan and monitor
the aircraft’s
technical data.
MATHEMATICIANS
calculate the flight
parameters,
taking into account
meteorological data,
amount of sunshine
and air traffic
restrictions.
METEOROLOGISTS
analyze the weather
forecasts to find
a favorable routing
for the flight.
AIR TRAFFIC
CONTROLLERS
coordinate the flight
trajectory with
regional control
centers.
10 / RTW LOGBOOK / THE MILESTONES
SOLARIMPULSE.COM FOLLOW US ON:
ABU DHABI
UAE
ABU DHABI
UAE
MUSCAT
OMAN
AHMEDABAD
INDIA
VARANASI
INDIA
MANDALAY
MYANMAR
CHONGQING
CHINA
NANJING
CHINA
SAN FRANCISCO
USA
DAYTON
USA
NEW YORK
USA
SEVILLE
SPAIN
ATLANTIC CROSSING
NAGOYA
JAPAN
17 STAGES
›40,000 KM
23 DAYS OF ACTUAL FLIGHTS
›550 FLYING HOURS
3.8 M3
UNPRESSURIZED
AND UNHEATED COCKPIT
HISTORIC
CHALLENGE
PACIFIC CROSSING
HAWAII
USA
PHOENIX
USA
TULSA
USA
LEHIGH VALLEY
USA
CAIRO
EGYPT

Pilot
André Borschberg
Flight Simulations
300
Solar Energy Produced
383 kWh
Flight
1
Flight Time
13 h 01 m
Distance
772 km
Max Altitude
6,383 m
Batteries Charge at Arrival
36.9%
14 / LEG 1 / ABU DHABI TO MUSCAT
09 MARCH 2015
MARCH APRIL MAY JUNE JULY AUGUST
LEG 1 /
ABU DHABI TO MUSCAT
READY FOR
TAKE OFF !
After months of intense preparation,
training and simulations, Solar Impulse 2
was ready to attempt the first solar flight
around the world. On 9 March 2015,
André Borschberg took off at Si2’s controls
for the first stage of this round-the-world
odyssey. Bertrand Piccard joined him in
Oman, took over the controls and continued
the journey across the Arabian Sea. The
two of them then took turns flying this
single-seat experimental prototype with
virtually unlimited endurance. As they
encountered new horizons and each staging
post dotted along their way, a whole team
was beside them sharing the epic chal-
lenge. Their job: to anticipate and develop
strategies, to prepare, track and receive
the aircraft, and not least to communicate
and spread news about the venture.
Leonardo DiCaprio
Check out the record
breaking attempt
to circumnavigate
the globe via the
solar-powered plane
Solar Impulse.
Richard Branson
Congrats Solar
Impulse, beating
Virgin GlobalFlyer
record non-stop
solo flight without
refuelling. Huge
step forward.
8:16PM – 10 Mar 2015
“SOLAR-POWERED
PLANE BEGINS HISTORIC
AROUND-THE-WORLD
FLIGHT”
CBS SAN FRANCISCO – CBS LOCAL
André Borschberg
I see technology
changing much faster
than we are able to
think. We seem to
be constantly behind
what is possible. The
challenge is to build
up the spirit that lets
us develop in line with
pace of technology.
André Borschberg
The Omanis gave
us an extraordinary
welcome dressed in
white dishdashas,
with colorful turbans
and ceremonial
daggers at the waist,
contrasting with our
prototype’s futuristic
technology.
Kofi Annan
Good luck to
Bertrand Piccard and
André Borschberg
for their 1st round
the world Solar
Flight.
6:30PM – 18 May 2015

Pilot
Bertrand Piccard
Flight
2
Flight Time
15 h 20 m
Distance
1,593 km
Max Altitude
8,874 m
Flight Simulations
270
27.6%
304 kWh
FAI World Records
2
10 MARCH 2015
16 / LEG 2 / MUSCAT TO AHMEDABAD
LEG 2 /
MUSCAT TO AHMEDABAD
AN ENTHUSIASTIC
CROWD
During this leg, Bertrand flew across the
Arabian Sea and part of Pakistan, before
finally performing a holding pattern near
Ahmedabad while he waited for permission
to land. It wasn’t by chance that our plane
chose this region as a staging-post to
spread its message on clean technologies.
Gujarat actively promotes sustainable
development, generating about 15% of
India’s renewable energy. It’s India’s lead
state for solar installations. This was
reflected in the enthusiasm and curiosity
shown by the thousands of Indian people
flocking to the entrance of the tent to see
Si2. Most of them had to wait for hours
to take pictures of themselves standing
proudly beside this aircraft of the future.
“SOLAR-POWERED PLANE
TAKES OFF FROM OMAN,
HEADS TO INDIA”
HERALD TRIBUNE
Bertrand Piccard
Tonight, for the first
time, a solar airplane
lands in India!
8:16PM – 10 Mar 2015
Bertrand Piccard
Sunset above the
meanders of a
Pakistanese river
after crossing the
Arabian Sea.
6:14PM – 10 Mar 2015

18 MARCH 2015
Pilot
André Borschberg
Flight
3
Flight Time
13 h 15 m
Distance
1,170 km
Max Altitude
5,182 m
Flight Simulations
250
37.1%
428 kWh
18 / LEG 3 / AHMEDABAD TO VARANASI
LEG 3 /
AHMEDABAD TO VARANASI
NIGHT-STOP
IN A HOLY CITY
“Imagine energy reserves increasing
during flight! Si2’s batteries were only half
full when I took off this morning – and now
they’re fully charged for tomorrow’s flight”,
exclaimed André on landing in Varanasi,
having thanked the Indian air traffic
controllers for their excellent cooperation.
A night’s stopover in the holy city, and an
opportunity for André to give thanks for life
at a prayer and blessing ceremony by the
Ganges. The warrior could rest for a few
hours. Bertrand and the team were already
busy preparing for the next day’s flight.
No time that evening to celebrate the b-day
of our Managing Director Gregory Blatt!
Solvay
We are proud to
stand side-by-side
with Solar Impulse
for its RTW without
using a single drop
of fuel.
11:59AM – 9 Mar 2015
Bertrand Piccard
Schools are coming
today to visit Solar
Impulse. Great to
see so many children
inspired with a smile
on their face.
Swisscom AG
Solar powered
around the world!
We support Solar
Impulse, because
we believe in
renewable energy.
3:08PM – 18 Mar 2015
“SOLAR PLANE BACK
IN QUEST OF
LONGEST FLIGHT”
THE TIMES OF INDIA

19 MARCH 2015
Pilot
Bertrand Piccard
Flight
4
Flight Time
13 h 29 m
Distance
1,536 km
Max Altitude
8,230 m
Flight Simulations
400
32.1%
397 kWh
World Records
1
20 / LEG 4 / VARANASI TO MANDALAY
LEG 4 /
VARANASI TO MANDALAY
GLORIOUS
LANDSCAPES…
AND WELCOME!
“Behind me lie the Bay of Bengal and
the Meghna Delta, where floodplains inter-
sperse with meanders to create one of
the most beautiful sights nature can offer.
I flew along at over 200 km/h thanks to one
of my friendly jet-streams. And before me
lies a country that rejoices in discovering
that clean technologies and solar energy
can be a source of social cohesion, peace
and economic development.” Bertrand
made two consecutive flights – from India
to Mandalay, and then on to China. He was
looking forward to flying over the local
temples at daybreak, but departure was
brought forward to 3.30 a.m. – in inky
darkness. “The sight of all the floodlit
temples, like specks of gold scattered
along my flight-path, quickly made me
forget my disappointment and offered
me an even more spectacular sight
than by day.”
ABB
With ABB’s help,
Solar Impulse and
solar electricity are
coming to Myanmar.
Solar Impulse
Fantastic Myanmar
spirit on the runway!
All waiting for
Bertrand Piccard
to land in less than
2 hours!
8:16PM –10 Mar 2015
Gisele Bündchen
Congratulations!
Solar Impulse not
only an historic 1st in
aviation, but also in
energy & clean tech.
Solar Impulse
President U Thein
Sein attending the
Si2 event.
“HERE COMES THE
SUN-POWERED
PLANE”
THE MYANMAR TIMES

30 MARCH 2015
Pilot
Bertrand Piccard
Flight
5
Flight Time
20 h 29 m
Distance
1,636 km
Max Altitude
8,634 m
Flight Simulations
750
35.3%
440 kWh
22 / LEG 5 / MANDALAY TO CHONGQING
LEG 5 /
MANDALAY TO CHONGQING
FIRST SOLAR
WINGS OVER
CHINA
The first solar airplane ever to enter China.
Flying above the mountainous Chinese
provinces of Yunnan and Sichuan required
the pilot to perform a steep climb at
the beginning of the flight. As he had to
fly continuously at high altitude, facing
temperatures as low as -20 °C, pilot
Bertrand Piccard had to wear an oxygen
mask in the 3.8 m3
unpressurized cockpit.
In addition, tackling the strong low-level
winds in Chongqing made this leg one of
the most challenging since the start of
the round-the-world flight. No headwind
could have prevented Bertrand and André
from telling the 1,600 students of Bashu
Secondary School about their adventure
and their passion. Yet the weather was
going to impose its law and make them
wait there for several weeks.
Bertrand Piccard
It is always an
immense pleasure
to meet with schools
in the countries
we visit.
9:51AM – 31 Mar 2015
Schindler Elevator
The Solar Impulse
mission proves
that when we work
together, big ideas
can change the world.
SwissRe
Corporate Solutions
We share in Solar
Impulse’s mission
about renewable
energy and sustain-
ability in China.
5:46PM – 21 Apr 2015
“WORLD’S BIGGEST
SOLAR PLANE
LANDS IN CHINA”
CCTV NEWS

21 APRIL 2015
Pilot
Bertrand Piccard
Flight
6
Flight Time
17 h 22 m
Distance
1,384 km
Max Altitude
4,270 m
Flight Simulations
1,300
25.7%
325 kWh
24 / LEG 6 / CHONGQING TO NANJING
LEG 6 /
CHONGQING TO NANJING
A TEAM FLIGHT,
NOT JUST MINE
“Held up for 3 weeks by the weather in
Chongqing, we were beginning to despair
of ever finding a good slot to reach Nanjing.
The meanders of the Yangtze, disappearing
and reappearing behind each summit;
wooded mountains, sculpted by sheer cliffs
and deep gorges; thousands of tiny lakes
reflecting the setting sun; and here and
there enormous cities of several million
inhabitants, whose names I’ve never
heard before. And just beyond the lights
of Nanjing, a triumphant welcome from the
team, in proportion with their hopes and
their fears of not seeing the aircraft arrive.
A moment of shared happiness.“ Bertrand
Solar Impulse
Flight 6 from
Chongqing is
probably the
trickiest so far in
terms of weather!
4:30AM – 21 Apr 2015
Bertrand Piccard
Just behind the lights of
Nanjing, a triumphant
welcome from the team,
proportional to the
length of their wait,
and to their fear of
not seeing the aircraft
arrive.
André Borschberg
The Chinese
Association for
Science and
Technology saw the
potential of Solar
Impulse to inspire
young generations.
“SUN-POWERED PLANE
MAKES HISTORY!”DAILY SUN

01 JUNE 2015
Pilot
André Borschberg
Flight
7
Flight Time
44 h 10 m
Distance
2,942 km
Max Altitude
8,634 m
Flight Simulations
2,300
28.3%
958 kWh
FAI World Records
3
26 / LEG 7 / NANJING TO NAGOYA
André Borschberg
Landing in Nagoya
Japan was not
planned but there
must be a good
reason why our
path has brought
us here today.
11:20AM – 1 Jun 2015
Bertrand Piccard
Diplomatic ballet
worthy of thriller
to get clearance to
land and import
our mobile hangar.
LEG 7 /
NANJING TO NAGOYA
HEADWINDS
In Nanjing and Monaco, the team was
preparing to attempt the Pacific crossing.
On 31 May, Andre set off towards Hawaii.
After 44 hours of flight, the suddenly
pessimistic weather forecasts forced the
mission control center to divert Si2 to
Japan. The bad weather front caught up
with the plane and heavy rain fell on the
runway just after the landing. Then began
the team’s race against time to secure
the aircraft against gale-force winds and
erect the mobile hangar. After a long
night’s efforts, the 20 ground crew had
the situation under control. The aircraft
was under shelter, but it had absorbed
water and the engineers were concerned.
The next day, careful checks of all the
systems began, but the uncooperative
weather was destined to keep Si2 glued
to the ground for another month.
“SOLAR IMPULSE
SUN-POWERED PLANE
LANDS IN JAPAN AFTER
WEATHER DIVERSION”
ABC-7.COM
Pharrell Williams
Solar Impulse is
fighting climate
change with the first
solar-powered flight
around the world.
10:43PM – 12 May 2015

03 JULY 2015
Pilot
André Borschberg
Flight
8
Flight Time
117 h 52 m
Distance
8,924 km
Max Altitude
8,634 m
Flight Simulations
3,800
10.2%
2,409 kWh
FAI World Records
3
28 / LEG 8 / NAGOYA TO HAWAII
LEG 8 /
NAGOYA TO HAWAII
THE LONGEST
SOLO FLIGHT IN
AN AIRPLANE
For the first 7 hours, it was still possible
to return to Nagoya if a problem arose. But
not after that… Not long after take-off, the
system monitoring the automatic pilot gave
up the ghost. For the engineers, an abso-
lute “no-go”. The weather window was the
best we’d seen for 2 months, and the vital
functions of the aircraft were in the green.
You can’t cross an ocean without losing
sight of the coast, even if the prospect is
frightening. The whole team had lessons
to learn… including André, facing 5 days
and nights before he could hope to land.
In these extreme conditions, his exceptional
concentration enabled him to fly longer
without fuel than any jet plane in history!
André Borschberg
During the fourth
day I felt very tired,
having climbed the
equivalent altitude
of Mount Everest
four times.
4:50AM – 3 Jul 2015
UN Environment
Solar Impulse flies
successfully to reach
the point of no
return on its way
to the next stop
in Hawaii.
6:05PM – 30 Jun 2015
Solar Impulse
117 hours and 52 minutes
over the Pacific to reach
Hawaii. Not a single
drop of fuel.
9:00PM – 3 Jul 2015
Joel Dicker
Keeping my fingers
crossed for André
Borschberg! What
you guys are achieving
is just unbelievable!
10:30AM – 2 Jul 2015
Robert Swan
I’m so proud to be
a patron for Solar
Impulse & celebrate
history today! Thank
you team! Well done!
9:24PM – 3 Jul 2015
“SOLAR IMPULSE 2
REACHES HAWAII,
SHATTERS RECORDS
IN HISTORIC
PACIFIC FLIGHT”
FOX NEWS
André Borschberg
I’m fighting,
it’s difficult…
Managing energy
level is not easy.
I have to find a hole
in the cold front.
4:29PM – 2 Jul 2015

Pushing the limits
of technologies
by bringing together
different domains and
aspects of innovation,
André built up a team of
engineers, and elaborated
the mission strategies for
the RTW flights.
To prevent the batteries
from overheating
again, our engineers
also integrated
a cooling system.
FROM JULY 2015 TO APRIL 2016
SURFING THE
UNFORESEEN
BREAK
Solar Impulse completed eight flights in
July 2015, covering nearly half its journey
around the world. Setbacks are part of
the challenges faced by any cutting-edge
project. During the flight from Nagoya, the
batteries overheated. They were damaged
and had to be replaced, leading to an
unforeseen pause in Hawaii. Protected
in an immense hangar and hidden under
space blankets, the airplane awaited the
season where the days are longer and
the nights shorter to get fixed and leave
again on its round the world journey.
Solar Impulse
Gov David lge
declares July 3rd
Solar Impulse day
for the state of
Hawaii! ALOHA
9:00PM – 3 Jul 2015
Without an engaged
and motivated team
prepared to face all
situations and continue
the adventure, such a
challenge could not be
achieved.
“THIS FLIGHT IS NOT A RACE
AGAINST THE CLOCK. THE
GOAL IS TO DEMONSTRATE
WHAT IS IN FACT FEASIBLE
AND TO EXPLORE AND FIND
WAYS OF DOING IT”
ANDRÉ BORSCHBERG
30 / RTW LOGBOOK / FROM JULY 2015 TO APRIL 2016

LEG 9 /
HAWAII TO SAN FRANCISCO
THE GOLDEN
FLIGHT
It took Amelia Earhart 18 hours to fly solo
from Hawaii to California. 81 years later, it
took Bertrand Piccard more than 62 hours
to follow her footsteps but this time without
fuel. These two pioneers were carried
by the desire to explore the unknown,
push human adventure to its limits and a
belief that what’s impossible today might
become normal tomorrow. Solar Impulse
was gliding over the Pacific on Earth Day,
a powerful symbol for the 175 political
leaders gathered to sign the Paris
Agreement. Ban Ki-Moon’s live broadcast
with the aircraft resonated in their ears.
Bertrand Piccard landed in the heart
of the Silicon Valley, land of the NASA
astronauts who inspired him to become
an explorer, encouraging us to enter the
clean technology-era and take on the
environmental challenges of our time.
“UNLIMITED ENERGY FOR
SOLAR IMPULSE IS COMING UP.
IF HUMANKIND WAS CLEVERER,
IT COULD ALSO BE THE ENERGY
FOR OUR WORLD...” BERTRAND PICCARD
A meaningful
adventure
With this new
expedition, Bertrand
shows how scientific
exploration can
help protect the
environment and
improve quality
of life. A family
tradition passed
down through three
Piccard generations.
Bertrand Piccard
Beside Dick Rutan,
Steve Fossett,
Jeana Yeager, André
Borschberg and I,
which airplane pilot
can say: “this is my
2nd night airborne
in the same flight?”
Bertrand Piccard
Thank you for
believing in
#SolarImpulse
and for being here
tonight Sergey Brin
@google
Pilot
Bertrand Piccard
Flight
9
Flight Time
62 h 29 m
Distance
4,086 km
Max Altitude
8,634 m
Flight Simulations
2,300
42%
1,121 kWh
32 / LEG 9 / HAWAII TO SAN FRANCISCO
24 APRIL 2016AMERICA

Pilot
André Borschberg
Flight
10
Flight Time
15 h 52 m
Distance
1,199 km
Max Altitude
6,706 m
Flight Simulations
550
93%
480 kWh
34 / LEG 10 / SAN FRANCISCO TO PHOENIX
03 MAY 2016AMERICAAMERICA
LEG 10 /
SAN FRANCISCO TO PHOENIX
HOT TOPIC
UNDER THE SUN
Goodbye San Francisco, the heart of
Silicon Valley, where the pilots met high-
profile innovators and tech entrepreneurs,
explorers also devoted to changing the
rules of the game.
At the controls, André Borschberg
reconnected with the emotions of his
record-breaking oceanic flight. On
his way to Phoenix, he flew over places
where many pioneering ideas have
been developed: the SpaceX airbase
and the Mojave Desert - famous for
its experimental aviation stories.
Solar Impulse touched down at Goodyear
airport amidst a heated debate in Arizona.
This debate centered on the “right” price
a utility should pay for home-generated
solar power that is fed back into its
system. “Net metering” directly affects
the economic viability of distributed solar
generation and therefore the future
growth of clean technologies.
Sun Power
Pilot who broke
records for longest
solo & solar flight
flies to Phoenix in
zero fuel plane.
“SOLAR IMPULSE 2
STARTS SOLAR-
POWERED TREK
ACROSS US”
FOX NEWS SCIENCE
UN Climate Action
Solar Impulse has
arrived safely in
Phoenix after zero-
carbon flight from
San Francisco.
Christiana Figueres
Executive Secretary
of the UN Framework
Convention on
Climate Change
How cool are these
two guys ? My heroes !!

J.-F. Lichtenstern,
Consul General of
Switzerland in L.A.
SI2 is an echo of the
Swiss innovation
spirit. It repeats in
the pilots’ pioneering
and historical quest
for a better world,
based on clean
technology. We’re so
proud to be Swiss!
Pilot
Bertrand Piccard
Flight
11
Flight Time
18 h10 m
Distance
1,570 km
Max Altitude
6,706 m
Flight Simulations
493
80%
445 kWh
AMERICAAMERICA 13 MAY 2016
36 / LEG 11 / PHOENIX TO TULSA
LEG 11 /
PHOENIX TO TULSA
THE CALM AFTER
THE TORNADO
It took 48 hours to adapt to unpredictable
weather across the U.S., devise multiple
new strategies to cross the country, scout
out and find a new host airport, empty
an entire hangar to house the 72 meters
of our solar wings, organize the arrival
of our team and reunite everyone in an
organizational whirlwind. All this was
successfully accomplished to welcome
Bertrand and a silent, serene, zero-
fuel airplane, confident in its unlimited
endurance, on the runways of Tulsa, the
“black gold” capital of Oklahoma. The
world can indeed live at different paces!
Marion Cotillard
Two pioneers flying
around the world in
a solar airplane, to
promote clean tech-
nologies. Bertrand
Piccard, André
Borschberg I admire
you so much! Total
respect and fascination!
WHO SAID FOSSIL
FUELS COULDN’T
PLAY A ROLE IN
THE CLEAN-TECH
REVOLUTION?
“ A SOLAR
POWERED
AIRPLANE IS
MADE AT 99%
FROM OIL-
DERIVED
PRODUCTS”
ANDRÉ BORSCHBERG
Emotion at the heart
of the adventure for
a crafty team which
perfectly managed to
anticipate, question
the strategy, and
get ready for all the
alternatives to secure
the airplane arriving
in the middle of
Tornado Alley.

22 MAY 2016
Pilot
André Borschberg
Flight
12
Flight Time
16 h 34 m
Distance
1,113 km
Max Altitude
6,401 m
Flight Simulations
787
77%
460 kWh
AMERICAAMERICA
38 / LEG 12 / TULSA TO DAYTON
solarimpulse
Guess what the
pilots did after
landing in Dayton?
Go see the
WrightBrothers’
airplane of course!
12:26AM – 24 May 2016
LEG 12 /
TULSA TO DAYTON
FLYING THE
“WRIGHT” WAY
On his way to Dayton, Ohio, hometown
of Wilbur and Orville Wright, André
Borschberg pays tribute to pioneering
spirit, 113 years after the two brothers
succeeded in flying the first power-driven
aircraft heavier than air. To develop their
wing wrapping concept, the two inventors
used their intuition and observation of
nature to think out of the box. They defied
current knowledge at a time where all
experts said it would be impossible. When
in 1903, their achievement marked the
beginning of modern aviation, they did not
suspect that a century later, two pioneers
would follow in their footsteps, rejecting
all dogmas to fly an airplane around the
world without a drop of fuel. This flight
reunites explorers who defied the impos-
sible to give the world hope, audacious
men who believed in their dream enough
to make it a reality.
“THE ACCOMPLISHMENTS
OF PIONEERS ARE THE
HEARTBEAT OF HUMANITY…
THEY MAKE US DREAM
BIGGER AND SMILE BROADLY.
YOU AND THE TEAM ARE
MAKING HISTORY”
AMANDA WRIGHT
“YOUR MISSION
IS INSPIRING
AND IT GIVES
WORLD
CITIZENS A
REASON TO
LOOK ‘UP’
AGAIN!”
STEPHEN WRIGHT
“SOLAR IMPULSE
LANDS AT HOME
OF WRIGHT
BROTHERS”
USA TODAY

Pilot
Bertrand Piccard
Flight
13
Flight Time
16 h47 m
Distance
1,044 km
Max Altitude
4,572 m
Flight Simulations
701
92%
391 kWh
AMERICAAMERICA 25 MAY 2016
40 / LEG 13 / DAYTON TO LEHIGH VALLEY
LEG 13 /
DAYTON TO LEHIGH VALLEY
THE TAKE-OFF
THAT FELL FLAT!
When you see takeoffs, landings, safe
flights from Solar Impulse, you might have
the impression it’s easy. The unexpected is
always part of an adventure as challenging
as this one. Since Si2 is made of carbon
fiber, even a gentle pressure from the
mobile hangar fabric could potentially
create damage. So, when a brief failure of
the mobile hangar fan caused the top part
of the structure to deflate on the fuselage
and the wings, André challenged his team
of engineers to make sure the load applied
onto the aircraft did not exceed its limits.
This would have triggered a potential risk
of breaking in the air… At the controls,
Bertrand dedicated this flight to the
engineers who spent hours of calculations
during the night, in constant exchange
between Ohio and Switzerland, to make
sure the plane was safe and sound after
the incident. What a relief for the whole
team after a tense afternoon and night!
André Borschberg
We couldn’t have
done it without
our engineers who
worked all night
to check Si2.
You guys rock!
Bertrand Piccard
Choose to be an
explorer and a
pioneer. Embrace
curiosity everyday
of your life. By
believing in your
dreams strong
enough, you can
make them a reality.
“SOLAR IMPULSE NEARLY
ACROSS ENTIRE UNITED
STATES”
FLYING MAGAZINE

NYC Public Schools
Yesterday, 500
NYC students had
the unique opp of
learning about
Solar Impulse &
innovative, clean tech!
16 June 2016
United Nations
Happy birthday,
Ban Ki-moon!
He celebrated at
UNHQ & also with
the Solar Impulse
team at JFK!
13 June 2016
Flight
14
Flight Time
04 h41 m
Distance
265 km
Max Altitude
915 m
Flight Simulations
343
40%
0 kWh
Pilot
André Borschberg
AMERICAAMERICA 11 JUNE 2016
44 / LEG 14 / LEHIGH VALLEY TO NEW YORK
LEG 14 /
LEHIGH VALLEY TO NEW YORK
A WAVE OF
LIBERTY
“On the wings of the birds, I write your
name,” said the poet. By flapping the solar
airplane’s giant wings over the Statue of
Liberty, André Borschberg did more than
make the whole team’s dream come true.
This iconic flight added another building
block to the symbol of freedom this monu-
ment has been embodying for 130 years.
It echoes the risk-taking, the pioneering
spirit, the adventure and the craving for
progress of all those brought to her feet
who dared to embrace the unknown in
search of a brighter future. This silent
albatross flying over New York, 100 years
after the Wright Brothers and free of fuel,
offers new perspectives and inspires new
ways of thinking about the world.
André Borschberg
“Crossing the United
States was a true
pioneering adventure;
each leg required a
high level of flexibility.
We had to face many
constraints, but we
overcame every challenge
by pushing back our own
boundaries made us grow
stronger and wiser for the
next step. Flying around
the Statue of Liberty was
such a rewarding way to
complete our adventure
on this continent!”
Bertrand Piccard
“Around the Statue
of Liberty, the Solar
Impulse team is
celebrating the freedom
of flying perpetually
without fuel. This is
the liberty offered to
us by modern clean
technologies. It is a
taste of what the world
can become: clean,
respectful, efficient and
environmentally friendly.
Freedom should allow
ourselves to think in all
directions and imagine
the solutions to invent
a better future.”
“SOLAR AIRCRAFT, BOUND
AROUND WORLD, SOARS
OVER STATUE OF LIBERTY”
NEW YORK TIMES

46 / LEG 15 / NEW YORK TO SEVILLE
AMERICA
Flight
15
Flight Time
71 h08 m
Distance
6,765 km
Max Altitude
8,534 m
Flight Simulations
679
30%
1,388 kWh
Pilot
Bertrand Piccard
23 JUNE 2016
LEG 15 /
NEW YORK TO SEVILLE
“MY SOUL IS
IN THE SKY”
William Shakespeare could not imagine
what human perseverance and scientific
exploration would achieve in 2016. Yet,
Bertrand’s soul was thousands of feet
over the Atlantic during his Midsummer
Night’s dream.
For 3 days and 3 nights, the solar airplane
navigated his way between the clouds
from New York to Seville, the Spanish city
that saw the departure of Christopher
Columbus for the Americas. At that time,
the gap between the old and the new world
was geographic. Today, it is energetic
and a question of state of mind: fossil fuel
and polluting emissions against clean
technologies.
As the sun reached its peak, the
project’s message resonated the most.
By announcing their intention to create
the International Committee of Clean
Technologies, the pilots opened a whole
new perspective for Solar Impulse’s
legacy. Taking Bertrand’s vision a step
further to find solutions for improving
the quality of life on Earth.
André Borschberg
“The success of this
incredible landing
after crossing the
Atlantic belongs to
our partners and
fantastic team who
made it possible all
together. Completing
this rite of passage
has symbolically
confirmed the matu-
rity and reliance of
clean technologies,
a great historic first
in renewable energy!”
“SOLAR IMPULSE ATERRIZA EN
SEVILLA TRAS CRUZAR EL
ATLÁNTICO EN SU VUELTA AL
MUNDO CON ENERGÍA SOLAR”
EL MUNDO
Bertrand Piccard
“This flight is a call
to action and should
propel clean techs
as much as Charles
Lindbergh’s flight in
1927 made commercial
aviation take off.
We intend to launch
the International
Committee of Clean
Technologies, a
non-governmental
organization bringing
experts together to
influence in one voice
global decision makers.”
Comisiòn Europea
@EUmadrid
75% of the historic
flight completed
to reach Europe.
Are you ready to
welcome Si2 @
visitseville?

48 / LEG 16 / SEVILLE TO CAIRO
Flight
16
Flight Time
48 h50 m
Distance
3,745 km
Max Altitude
8,534 m
Flight Simulations
1169
18%
808 kWh
Pilot
André Borschberg
11 JULY 2016
LEG 16 /
SEVILLE TO CAIRO
SOL-RÂ IMPULSE
André Borschberg touched down at Cairo
International Airport, after an iconic
moment over the Egyptian pyramids,
completing a flight of two days and two
nights. This flight was probably the last,
the conclusion of the round-the-world
journey as a pilot before Bertrand takes
over for the final leg toward Abu Dhabi.
In one leg across the Mediterranean Sea,
the new world of clean technologies met
the ancient world. It began with a flyover
of the GemaSolar power plant in Spain -
the first power plant to have found a way
to produce solar electricity day and night -
and ended in Egypt, over the last of
the seven wonders of the ancient world
still standing.
The journey will now go on with the
ultimate leg of the adventure, the
completion of the circumnavigation to
Abu Dhabi, from which the plane took of
in March 2015. We are at the gates of the
first ever solar round-the-world flight,
but there is still a very difficult leg to
achieve before being able to say:
“We made it”
André Borschberg
“Potentially my last
flight with Solar
Impulse, as Bertrand
will make the final
leg of the round-the-
world: for me the
end of this adventure
as a pilot. Looking
back on those years,
the most rewarding
has been to set
up an incredible
team, by empow-
ering and constantly
challenging each
member, helping
them to develop
their own potential.”
“SOLAR IMPULSE 2 LANDS
IN EGYPT IN PENULTIMATE
STOP OF ITS WORLD TOUR”
THE GUARDIAN
Bertrand Piccard
“To see André flying
over the great
pyramids reminds
me that there was
a time when the
sun was worshiped
as a God. Today, it
should be considered
as a powerful source
of energy.”
Markus Leitner, Ambassador of Switzerland in Egypt
“Solar Impulse is an idea born in Switzerland, but it
was conceived in Egypt! As Bertrand feared to fall
short of fuel when he landed there after his non-stop
round-the-world balloon flight in 1999, he promised
himself to circumnavigate the globe again, but next
time without any fuel.”

Flight
17
Flight Time
48 h37 m
Distance
2,694 km
Max Altitude
8,534 m
Flight Simulations
1456
42%
917.9 kWh
Pilot
Bertrand Piccard
50 / LEG 17 / CAIRO TO ABU DHABI
26 JULY 2016
Leonardo DiCaprio
“Congratulations
Solar Impulse on
an amazing and
innovative trip
around the world
in a solar airplane.”
26 July 2016
“SOLAR IMPULSE 2 MAKES
HISTORIC LANDING IN
ABU DHABI” GULF NEWS
LEG 17 /
CAIRO TO ABU DHABI
THE END OF THE
BEGINNING
For days before the take-off for the final
leg, the engineers at the MCC in Monaco
struggled to identify a suitable weather
window for the flight to Abu Dhabi, despite
challenging high temperatures across
Saudi Arabia and above-the-limit windy
conditions upon take off in Cairo and
landing at destination. But the work didn’t
stop once the window was found. To bring
the plane to its take-off position and
escort Bertrand in preparation of his last
flight, most of the team helped taxi Si2 to
its runway for two hours in the darkness
of the night – a last effort and moment
of cohesion before the great success.
Soon up in the air for 48 hours, it seemed
that Bertrand had to fight until the end
to deserve seeing his dream come true.
Hands firmly gripping the control wheel
and unable to drink, eat or sleep during the
first night because of harsh turbulence.
Nothing was certain until that very last
moment when Bertrand finally crossed
the line André had departed from in March
2015. Officials, partners, and traditional
Emirati musicians and dancers all gathered
under the wings upon arrival: relief,
happiness and a thirst to celebrate both the
accomplishment of a 15 year-old project
and a new beginning for clean technologies.
As Bertrand said, “We shared a life project,
and our lives are not over yet.” To use
Churchill’s words, “this is only the end of
the beginning”…
Martin Schulz
Congrats Bertrand
Piccard, André
Borschberg and
Solar Impulse team
for completing this
incredible journey
around the world!
#futureisclean
26 July 2016
Bertrand Piccard
“We made it. We flew
40,000 km without
fuel. It is not only a
first in the history of
aviation, it is also a
first for energy. Now
it’s your turn to take it
further! Nothing has
stopped at the final
landing. The creation
of the International
Committee for Clean
Technologies will allow
us to go far ‘beyond
Solar Impulse’.”
André Borschberg
“When we started,
people told us: “this is
impossible”. 2 years ago,
they said: “this is very
difficult”. Today, some
say: “it was evident
that it could work”.
This demonstrates that
Bertrand’s idea has
gone a long way…”

“WHAT WE CAN
ACHIEVE IN THE AIR,
ANYONE CAN DO
ON THE GROUND”
BERTRAND PICCARD
CLEAN
REVOLUTION
ON THE MOVE
40,000 KM TO…
LAY DOWN A MARKER FOR THE FUTURE
By flying around the world without a drop
of fuel, Solar Impulse highlighted the
enormous potential of modern technologies
to utilize clean energy. The same energy-
efficient solutions could already be used
in our daily lives, on a larger scale, to help
reduce drastically our carbon footprint on
Earth. Up to 50%!
THINK OFF THE GRID
Sustainable growth will only come from
products that can save energy and protect
the environment. Fixing climate change
is not an expensive problem requiring
financial and behavioral sacrifices, but
rather a unique opportunity for profit
and job creation. It is possible to bridge
ecology and the economy.
Beyond Solar Impulse…
While flying over the
Atlantic, Bertrand
announced his
intention to launch
the International
Committee of Clean
Technologies: a
non-governmental
organization (NGO)
that would regroup
the main global actors
in the field of clean
technologies to bring
independent and
credible guidance
on energy policy to
governments and
corporations.
THIS IS BERTRAND PICCARD’S CONVICTION. HE CAME UP WITH 7 PRINCIPLES FOR
SOLVING CLIMATE CHANGE WITH CLEAN TECHNOLOGIES, LIKE THE ONES ON BOARD
SOLAR IMPULSE.
Highlight the solutions
instead of the problems
Stop threatening
human comfort –
no need for sacrifices
Speak of profitable
investments instead
of higher costs
Offer both rich and
poor countries a
share in the returns
on investment
Refrain from setting
goals without
showing how to
reach them
Act in the interest of
today’s generations
and not only for future
generations
Combine regulations
with private initiative:
we need a legal
framework for energy
efficiency
52 / RTW LOGBOOK / CLEAN REVOLUTION
GO FIND OUT AT FUTUREISCLEAN.ORG

54 / RTW LOGBOOK / FACTS AND FIGURES
FROM MARCH 2015 TO AUGUST 2016
FACTS AND FIGURES
SOLAR ENERGY
PRODUCED
11,000 kWh
DISTANCE
43,000 km
ROUTE SIMULATIONS
17,000
FLIGHT TIME
550 hours
= 23 days
• Middle East & Asia
• North America
• Europe
• North Africa
• Pacific Ocean
• Atlantic Ocean
• Arabian Sea
• Mediterranean Sea
• Red Sea
19 FAIratifications
in total
(11 pending)
WORLD RECORDS
«Solar-powered aircraft»
category
• Distance and duration
record for André Borschberg’s
flight over the Pacific ocean
(from Japan to Hawaii),
8,924km in 5 days and 5 nights
- 117 hours and 52 minutes.
• Gain of altitude record for
Bertrand Piccard’s flight over
the Pacific Ocean (from Hawaii
to San Francisco), 9,102m.
«Electrically-powered
aircraft» category
Distance and absolute
altitude record for Bertrand
Piccard’s Atlantic crossing
(from New York to Seville),
5,739km and 8,535m
respectively.
Longest solo flight
in an airplane
of any kind
accomplished by
André Borschberg
during the flight
between Japan
and Hawaii.
Key world records Longest solo flight
4 continents, 2 oceans and 3 seas overflown
The Sheikh Zayed
Grand Mosque
in Abu Dhabi
The Ganges River
in Varanasi Holly city
The Temples
of Mandalay
The Yangtze River
in Chong Qing
The Bund and Pudong
in Shanghai
Waikiki Beach
in Hawaii
The Golden Gate
Bridge in
San Francisco
The Statue of Liberty
in New York
The Pyramids
in Cairo
Iconic places along the way
OUTREACH
• 22 millions page views,
3,5 millions unique users
and 12,106 questions
asked by the audience on
Solar Impulse website
• 30 Live interviews from
the cockpit
• 25 millions Live videos
views cross platforms
(YouTube, Livestream,
Periscope)
• 2,570,439 Likes,
274,790 Shares,
133,290 Comments
on Facebook
• 1,150 billion impressions
and 150,000 posts on
Twitter with #futureisclean
• Ban Ki-Moon, United
Nations Secretary General
• Martin Schulz, European
Parliament President
• Maroš Šefcovic,
Vice President of the
European Commission
• Christina Figueres,
Executive Secretary of the
UN Framework Convention
on Climate Change
• HSH Prince Albert II
of Monaco
• Guy Parmelin, Swiss
Federal Councillor
…
PoliticalDigital
170 millions
raised in
total
$
15
years
project
SINCE 2003
10
years of
design and
calculation 2
experimental
airplanes
HB-SIA HB-SIB
Educational
Among our followers
Several supportive posts
from personalities:
Marion Cotillard
Leonardo Di Caprio
Gisele Bundchen
Akon
Sir Richard Branson
…
• Commencement Speech
• TED Ed lesson
“How to fly around the
world without fuel?”
• Hangout on Air with
Georgia Tech University

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