FAA Engine Compartment Halon Replacement Project Background ...

TABLE OF CONTENTS
Halon 1301 History.....................................................................................................................1
Halon Replacement.....................................................................................................................4
Minimum Performance Standard for Engine and Auxiliary Power Unit Compartments ...........6
Nacelle Simulator ...................................................................................................................7
Current Status .........................................................................................................................8
Where to Next.........................................................................................................................8
HFC-125 as a Halon 1301 Simulant............................................................................................8
Acknowledgements...................................................................................................................10
Bibliography .............................................................................................................................14
LIST OF TABLES
Table 1. Fire Suppressants Evaluated in FAA Reports, 1943-1988.............................................3
Table 2. Nacelle Statistics for April 1998 Simulant Test Pair .....................................................9
Table 3. Volumetric Concentration Characteristics, April 1998 Simulant Tests........................13
LIST OF FIGURES
Figure 1. HFC-125 and Halon 1301 Channel Comparisons, Channels 1-3 ................................11
Figure 2. HFC-125 and Halon 1301 Channel Comparisons, Channels 4-6 ................................11
Figure 3. HFC-125 and Halon 1301 Channel Comparisons, Channels 7-9 ................................12
Figure 4. HFC-125 and Halon 1301 Channel Comparisons, Channels 10-12 ............................12
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