INSTALLATION MANUAL
89000007
Page A-1
15 Nov 2013
© Honeywell International Inc. Do not copy without express permission of Honeywell.
APPENDIX A
ENVIROMENTAL QUALIFICATION
A-1 Environmental Qualification Form
Refer to Table A-1 for the environmental qualification form.
Table A-1. Environmental Qualification Form
Nomenclature KT 74 Mode S Transponder
TSO TSO C112d; Class 1 Level 2es, TSO C166b; Class B1S
ETSO ETSO C112d, ETSO C166b
Conditions
DO-160G
Section Description of Conducted Tests
Temperature and altitude 4.0 Equipment tested to Categories A4 and C4
Low temperature ground
survival
4.5.1
-67°F (-55°C)
Low temperature operating 4.5.1
-13°F (-25°C)
High temperature
operating
4.5.3
+158°F (+70°C)
High temperature
short-time operating
4.5.2 +158°F (+70°C)
High temperature ground
survival
4.5.2 +185°F (+85°C)
Loss of cooling 4.5.4 Cooling air not required
+158°F (+70°C) operating without cooling air
Altitude 4.6.1 55,000 feet (16.76 Km)
Decompression 4.6.2 8,000 to 55,000 feet (2.44 to 16.76 Km) in
15 seconds
Overpressure 4.6.3 -15000 feet (-4.57 Km)
Temperature variation 5.0 Equipment tested to Category C
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