Environmental Specifications; Gmu 44 Tso/Etso Compliance - Garmin GDU 370 Installation Manual

3.3 Environmental Specifications

Table 3-2 lists general environmental specifications.
Table 3-2. GMU 44 Environmental Specifications
Specification
Regulatory Compliance
Unit Software
Operating Temperature
Range
Altitude

3.4 GMU 44 TSO/ETSO Compliance

Function
Direction Instrument,
Magnetic (Gyroscopically
Stabilized)
3.4.1 TSO/ETSO Deviations
The following table provides a list of applicable TSO and SAE deviations for the GMU 44.
TSO
TSO-C6d 1. Garmin was granted a deviation from TSO-C6d to use RTCA DO-160D instead of RTCA
(GMU 44) DO-160B as the standard for Environmental Conditions and Test Procedures for Airborne
Equipment.
2. Garmin was granted a deviation from TSO-C6d to use RTCA DO-178B instead of RTCA
DO-178A to demonstrate compliance for the verification and validation of the computer
software.
3. Garmin was granted a deviation from TSO-C6d to use SAE AS 8013A instead of SAE
AS 8013 as the Minimum Performance Standard.
4. Garmin was granted a deviation from TSO-C6d to list this secondary TSO in the
Installation Manual rather than on the article itself.
5. Garmin was granted a deviation from TSO-C6d to list the DO-178B software level in the
Installation Manual rather than on the article itself.
ETSO-C6d 1. Garmin was granted a deviation from ETSO-C6d to use RTCA DO-160D instead of SAE
(GMU 44) AS 8013 as the standard for Environmental Conditions and Test Procedures for Airborne
Equipment.
2. Garmin was granted a deviation from ETSO-C6d to use SAE AS 8013A instead of SAE
AS 8013 as the Minimum Performance Standard.
Page 3-2
Revision A
RTCA/DO-160D Environmental Conditions and
Table 3-3. TSO/ETSO Compliance
TSO/ETSO/SAE/
RTCA/EUROCAE
TSO-C6d
ETSO-C6d
AS8013A
Table 3-4. TSO/ETSO Deviations
Characteristic
EUROCAE/ED-14D
RTCA/DO-178B Level B
-55° C to +70° C
55,000 Feet
Applicable LRU
Category SW Part
Numbers
All
006-B0224-(__)
except
006-B0224-Z(_)
Deviation
G3X Installation Manual – GMU 44
Applicable
Custom Logic
Device Part
Numbers
All
006-C0048-0(_)
190-01115-01