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Environmental Qualifications 
56 
 
Apollo SL30 Installation Manual 
The Apollo SL30 Nav module has been tested to the following environmental categories per 
procedures defined in RTCA/DO-160D. 
 
 
Environmental Qualification Form 
 
Model: 
Part No: 
TSO No: 
 
SL30 NAV portion 
430-6040-3XX 
TSO-C34e, TSO-C36e, TSO-C40c, &  
TSO-C66c 
Manufacturer: 
     Garmin AT, Inc. 
     2345 Turner Road SE 
     Salem, Oregon  97302 
 Conditions 
DO-160D
Section 
Description of Conducted Tests 
 
Temperature and Altitude 
4.0 
Equipment tested to Category B1 with 
Operating temp:   -20ºC to +55ºC 
Short time hi temp:  to +70ºC 
Ground survival temp: -55ºC to +85ºC 
 
   In-flight Loss of Cooling 
4.5.4 
No cooling required 
 
   Altitude 
4.6.1 
Equipment tested to 25,000 feet 
 Temperature 
Variation 
5.0  Equipment tested to Category C, 2
°C/min 
 
Humidity 
6.0 
Equipment tested to Category A, standard humidity 
environment 
 
Operational Shocks and Crash 
Safety 
Equipment tested for both operational and crash safety 
shocks to Category B. (Equipment operated normally after 
the crash safety shocks.) 
 
Vibration 
8.0 
Standard vibration category S (curves M and B) 
Robust Helicopter Vibration Category U (curves F and F1) 
 
Explosion Proofness 
9.0 
Equipment identified as Category X, no test required 
 
Waterproofness 
10.0 
Equipment identified as Category X, no test required 
 
Fluids Susceptibility 
11.0 
Equipment identified as Category X, no test required 
 
Sand and Dust 
12.0 
Equipment identified as Category X, no test required 
 
Fungus Resistance 
13.0 
Equipment identified as Category X, no test required 
 
Salt Spray 
14.0 
Equipment identified as Category X, no test required 
 
Magnetic Effect 
15.0 
Equipment is Class Z, <0.3 meters 
 
Power Input  
16.0 
Equipment tested to Categories A & B 
 
Voltage Spike 
17.0 
Equipment tested to Category A 
 
Audio Frequency Conducted 
Susceptibility - Power Inputs 
18.0 
Equipment tested to Categories A & B 
 
Induced Signal Susceptibility 
19.0 
Equipment tested to Category Z 
 
Radio Frequency Susceptibility 
(Radiated and Conducted) 
20 
Equipment tested to Category V 
 
Emission of Radio Frequency 
Energy 
21 
Equipment tested to Category M 
 
Lightning Induced Transient 
Susceptibility 
22.0 
Equipment tested to - 
Categories A3 and B2  
 
Lightning Direct Effects 
23.0 
Equipment identified as Category X, no test required 
 
Icing 
24.0 
Equipment identified as Category X, no test required 
 
Electrostatic Discharge (ESD) 
25.0 
Equipment tested to Category A 
 Remarks: