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ARFF Symposium ALPA, Herndon 13th-14th Nov. 2007

Presented by

Christian Schmid
Fire Protection Systems

Differences Between Passenger and Cargo
Aircraft Configurations
Fire Protection Design Aspects

ARFF Symposium ALPA - Fire Protection Design Aspects - BCECS2 - Ref. WB26PR0712180 - Issue 2

Outline

• Fire Protection
Means of fire protection
Freighter certification requirements
Cargo compartment classification (Class C / E)
– Detection, extinguishing, smoke penetration
• Cargo Aircraft
Exterior doors and windows
Zones; occupied area and cargo compartments
© AIRBUS DEUTSCHLAND GMBH. All rights reserved. Confidential and proprietary document.

• Airbus Freighters
A300 and A310
– Loading configuration cross sections
– Main Deck access
– Overall dimensions

ARFF Symposium ALPA - Fire Protection Design Aspects - BCECS2 - Ref. WB26PR0712180 - Issue 2 November 2007 Page 2

Introduction – Fire Protection

Why fire protection?

Maximize safety to aircraft, occupants, and goods
in flight,… and on ground

and how…


Fire Protection

Detection
E xtingishing
Materials

Procedures

Fire Protection – Freighter Certification
• Currently flying Airbus freighters are certified under
FAR Part 25 as Supplementary Type Certification (STC)

• Smoke/Fire detection in
Lavatory according 25.854
Cargo compartments, main and lower deck according 25.858
– Dual loop detection mode, zonal capability on main deck

• Fire Extinguishing System

Lower deck cargo built in system as per 25.851 / 25.857

• Cargo compartment classification as per 25.857
Lower deck Class C
Main deck Class E


Cargo Compartment Classification
• Class C
Fire/smoke detectors throughout compartment
Cargo compartment lining / ceiling
– Flame Penetration Resistance (5 minutes @ 927°C; heat flux 90kw/m2)
Means to isolate cargo compartment from occupied areas
– Smoke Penetration test (min 15 minutes; 18 inch guideline)
Built in fire extinguishing system
– Sufficient concentration for safe landing + 15min

• Class E
Fire/smoke detectors throughout compartment

Cargo compartment design
– Materials self-extinguishing
• burn length max 15cm; material flame time after flame removal 15s
– Essential systems protection to ensure safe flight and landing
Means to isolate cargo compartment from occupied areas
– Smoke Penetration test (min 15 minutes; 18 inch guideline)
Fire suppression by “FL200” procedure
– fire suppression via oxygen depletion


Cargo Compartment Classification

MD Class C Compartment
A310 Combi

MD Class E Compartment
A310 Freighter

Cargo Aircraft Exterior

• Externally, same overall dimensions as pax
counterpart

• Windows along main deck
Removed and plugged
– Except for visual inspection
• forward section for engines
• center section for wings

• Doors / hatches

Baseline doors 1L and 1R retained
Lower deck cargo doors retained
Remaining doors bolted shut
– No accessibility
Main deck cargo door on LH side


Occupied Zones

• Courier area in door 1 area
Typically seating 2-6 couriers/crew with quick donning O2
masks
Segregation from cargo by crash net/smoke curtain or rigid wall


Cargo Zones

• Lower deck cargo compartments (unchanged from pax)
• Cargo area on main deck


Cross sections / Loading Configurations


Main Deck Cargo Access

Through the main cargo door…
could look like this or more likely …


Main Deck Cargo Access

Through the smoke curtain from courier area
zipper on LH and RH side once inside…


Airbus A300 Freighter

• Production or passenger to freighter conversion


Airbus A310 Freighter

• Passenger to freighter conversion


Key Message

• Fire Safety has top priority

• Fire Protection’s main elements
Detection
Extinguishing
Materials
Procedures

• Certification requirements

• Main deck accessibility


© AIRBUS DEUTSCHLAND GMBH. All rights reserved.
Confidential and proprietary document.
This document and all information contained herein is the sole
property of AIRBUS DEUTSCHLAND GMBH. No intellectual
property rights are granted by the delivery of this document or
the disclosure of its content. This document shall not be
reproduced or disclosed to a third party without the express
written consent of AIRBUS DEUTSCHLAND GMBH. This
document and its content shall not be used for any purpose
other than that for which it is supplied.
The statements made herein do not constitute an offer. They
are based on the mentioned assumptions and are expressed
in good faith. Where the supporting grounds for these
statements are not shown, AIRBUS DEUTSCHLAND GMBH
will be pleased to explain the basis thereof.
AIRBUS, its logo, A300, A310, A318, A319, A320, A321,
A330, A340, A350, A380, A400M are registered trademarks.


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