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Environmental Qualifications
48 Apollo GX50/60/65 Installation Manual
The Apollo GX60 and GX65 have been tested to the following environmental categories per
procedures defined in RTCA/DO-160D to support helicopter installations.
Environmental Qualification Form
Model:
Part No:
TSO No:
GX60
430-6050-605, or later
TSO-C129a Class A1, TSO-C37d,
TSO-C38d, TSO-C128
GX65
430-6050-805, or later
TSO-C129a Class A2, TSO-C37d, TSO-
C38d, TSO-C128
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 F1 with
In-flight Loss of Cooling 4.5.4 No cooling required
Altitude 4.6.1 Equipment tested to 55,000 feet
Decompression 4.6.2 Equipment tested 8K to 55K in < 15 seconds
Overpressure 4.6.3 Equipment tested for overpressure
Temperature Variation 5.0
Equipment tested to Category C, 2°C/min
Humidity 6.0 Equipment tested to Category A, standard humidity
environment
Shock
Operational
Crash Safety - Impulse
- Sustained
7.2
7.2.1
7.3.1
7.3.2
Equipment tested for both operational and crash safety shocks.
Equipment operated normally after 20g shocks
Equipment tested at 20g levels
Certification based on DO-160C tests. See previous page.
Vibration 8.0 Equipment tested without shock mounts to Category U
Robust Vibration - Helicopter (Curves F and F1) and
Category S Standard Vibration (Curves B and M)
Explosion Proofness 9.0
Waterproofness 10.0
Fluids Susceptibility 11.0
Sand and Dust 12.0
Fungus Resistance 13.0
Salt Spray 14.0
Equipment identified as Category X, no test required
Magnetic Effect 15.0
Power Input 16.0
Voltage Spike 17.0
Audio Frequency Conducted
Susceptibility - Power Inputs
18.0
Induced Signal Susceptibility 19.0
Radio Frequency Susceptibility
(Radiated and Conducted)
20
Emission of Radio Frequency
Energy
21
Lightning Induced Transient
Susceptibility
22.0
Certification based on DO-160C tests. See previous page.
Lightning Direct Effects 23.0 Equipment identified as Category X, no test required
Icing 24.0 Equipment identified as Category X, no test required
Remarks: