
PS Engineering
PMA7000M-S Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-070-0006
Appendix F
Rev. 6, Nov 98
10 Appendix F RTCA DO160C Environmental Qualification Form
Audio Selector Panel/Intercom/Marker Beacon Receiver
Part Number: 7000S; 7000M-S
FAA TSO Number: C50c, C35b Class A
Manufacturer: PS Engineering Incorporated 9800 Martel Road
Lenoir City TN 37772
Conditions
Section
Conducted Tests
Temperature and Altitude
Low Temperature
High Temperature
In-flight Loss of Cooling
Altitude
Decompression
Overpressure
4.0
4.5.1
4.5.2
4.5.4
4.6.1
4.6.2
4.6.3
Equipment tested to CAT A1 & D1
-20° C Storage, -15°C Low Operating
+85°C Storage, +70°C High Operating
Not Applicable, no cooling required
50,000’ unpressurized
Not Applicable
Not Applicable
Temperature variation
5.2
Equipment tested to Category C
Humidity
6.0
Equipment tested to Category A
Shock
7.0
Equipment tested to Operational test only
Operational
7.2
Equipment tested to Operational test only
Crash Safety
7.3
Equipment tested to Operational test only
Vibration
8.0
Equipment tested to Category M & N
Explosion
9.0
Category X, not tested
Waterproofness
10.0
Category X, not tested
Fluids Susceptibility
11.0
Category X, not tested
Sand and Dust
12.0
Category X, not tested
Fungus
13.0
Category X, not tested
Salt Spray
14.0
Category X, not tested
Magnetic Effect
15.0
Equipment tested to Category Z
Power input
16.0
Equipment tested to Category B
Voltage Spike
17.0
Equipment tested to Category B
Audio Frequency Susceptibil-
ity
18.0
Equipment tested to Category B
Induced Frequency Suscepti-
bility
19.0
Equipment tested to Category B
Radio Frequency Susceptibility
20.0
Equipment tested to Category T
Radio Frequency Emission
21.0
Equipment tested to Category B
Lightning Induced Transient
Susceptibility
22.0
Equipment tested to Category K
Lightning Direct Effects
23.0
Category X, not tested
Icing
24.0
Category X, not tested