SKY899
Installation Manual
009-11900-001
Appendix B - Page B-1
Revision F
July 18, 2013
Appendix B
Environmental Qualification Form
This appendix includes the environmental qualification forms required for the SKY899 system. Forms
included are for the TRC899, NY156 & NY164 antennas, and WX-1000/SKY497 display.
B.1 SKY899 ENVIRONMENTAL QUALIFICATION FORM (FIXED WING: DO-160D)
(Reference Document 016-11933-001) & (016-11957-001)
MODEL: TRC899 TSO NO:
TSO-C147, Class A. and TSO-C118
PART NO: 805-11900-001
APPLICABLE SPEC NO: RTCA/DO-197A
MANUFACTURER:
L-3 Communications Avionics Systems, Inc.
ADDRESS:
5353 52nd St. SE, Grand Rapids, MI 49512-9704
Revision and change number of DO-160: DO-160D (RF Susceptibility to Chg 1)
DO-160C (Vibration, section 8.5)
CONDITION
SECTION-
PARAGRAPH
TEST CATEGORY
Temperature and Altitude
Low Temperature
High Temperature
Loss of Cooling
Altitude
Decompression
Overpressure
4.0
4.5.1
4.5.2 & 4.5.3
4.5.4
4.6.1
4.6.2
4.6.3
Equipment tested to Category F2
-55
°
Celsius
+70
°
Celsius
Category X-No test performed
55,000 ft. MSL
Not Applicable
Not Applicable
Temperature Variation
5.0
Equipment tested to Category B
Humidity
6.0
Equipment tested to Category A
Operational Shock and Crash Safety
7.0
Equipment tested to Category B
Vibration
8.0
Equipment tested to Category S, aircraft
zone 2 using vibration test curves B and M
for fixed wings
Critical frequencies for sinusoidal test,
curve M:
X axis: 14.83 Hz @ 3.18 g
22.35 Hz @ 4.72 g
Y axis: 47.25 Hz @ 4.23 g
73.45 Hz @16.03 g
Z axis: 44.44 Hz @ 6.25 g
73.45 Hz @ 7.87 g
No changes in critical frequencies were
observed in all three major test axes.
The document reference is online, please check the correspondence between the online documentation and the printed version.
