Appendix Aenviromental Qualification; Table A-1. Environmental Qualification Form - Honeywell BendixKing KT 74 Installation Manual

ENVIROMENTAL QUALIFICATION
A-1 Environmental Qualification Form
Refer to Table A-1 for the environmental qualification form.

Table A-1. Environmental Qualification Form

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