6. Environmental Qualification Form
The following performance standards under environmental test conditions have
been established in accordance with the procedures set forth in EUROCAE/RTCA
Document No. ED-14C/DO-160C.
Environmental condition ED - 14C
DO - 160C
Category Performance
Temperature 4.0 D1
Low operating
temperature
4.5.1 - 20° C
Low ground survival
(storage temperatur)
- 55° C
High short-time opera-
ting temperature
4.5.2 70° C
High operating
temperature
4.5.3 + 55° C
High ground survival
(storage) temperature
85° C
Min. operating pressure
(equivalent altitude)
4.6.1 50.000 ft.
Temperature variation 5.0 B
Humidity 6.0 A 48 hrs at up to 50° C and
95% relative humidity
Shock : 7.0
Operational shocks 7.2 11 ms at 6 G for all three
dimensional axes
Crash safety shocks 7.3 11 ms at 15 G for all three
dimensional axes
Vibration 8.0 MN
Magnetic effect 15.0 Z Deflection of 1° of compass at
a distance of ≥ 30 cm
Power input variation 16.0 B The equipment functions on a
10-volt emergency power
supply
Resistance to voltage
spikes on equipment
power leads
17.0 A
Audio-frequency
conducted susceptibility
18.0 B
Susceptibility to induced
magnetic and electric •
fields at 400 Hz
19.0 A
Radio-frequency
interference
susceptibility
20.0 T
Spurious RF emissions 21.0 A
INSTALLATION AND OPERATION
AR 4201 - ( )
Page 1-6
23-10-01 December 15/95
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