PS Engineering PAC24 Installation Manual User Manual
Page 40

PS Engineering
PAC24 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-240-0010
Appendix D
Rev. 24, Dec. 2013
Appendix D – RTCA DO160D (EUROCAE ED-14) Environ-
mental Qualification Form 
Audio Selector Panel/Intercom
Part Number: 050-240-0XXX
FAA TSO Number: C50c, 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 B1 
-55° C Survival, -20°C Low Operating (B1) 
+85°C Survival, +70°C High Short Time Operating 
Not Applicable, no cooling required 
25,000’ unpressurized (B1) 
Not Applicable 
Not Applicable 
Temperature variation
5.2
Equipment tested to Category C
Humidity
6.0
Equipment tested to Category A
Operational Shock and Crash 
Safety 
7.0
Equipment tested Category B
Vibration
8.0
Equipment tested to Category G & M
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 Susceptibility
18.0
Equipment tested to Category B
Induced Frequency Susceptibility
19.0
Equipment tested to Category A
Radio Frequency Susceptibility
20.0
Equipment tested to Category T
Radio Frequency Emission
21.0
Equipment tested to Category M
Lightning Induced Transient 
Susceptibility 
22.0
Equipment tested to Category XXE2
Lightning Direct Effects
23.0
Category X, not tested
Icing
24.0
Category X, not tested
Electrostatic Discharge
25.0
Category X, not tested
