190-01639-00
GSU 75 ADAHRS Installation Manual
Rev. 6
Page 1-7
1.5.2 TSO/ETSO Deviations
1.5.2.1 GSU 75 (011-03094-X0)
Table 1-8 TSO Deviations for GSU 75 (011-03094-X0)
TSO
Deviation
TSO-C106
1. Garmin has been granted a deviation from TSO-C106 to use Society of Automotive
Engineers (SAE) AS 8002 Rev A instead of SAE AS 8002 as the Minimum
Performance Standard.
2. Garmin has been granted a deviation from TSO-C106 paragraph b.(1) and b.(3) to
not display the software part number on the outside of the unit.
3. Garmin has been granted a deviation from TSO-C106 to use RTCA DO-178B
instead of RTCA DO-178A to demonstrate compliance for the verification and
validation of the computer software.
4. Garmin has been granted a deviation from TSO-C106 to use RTCA DO-160F
instead of RTCA DO-160B as the standard for Environmental Conditions and Test
Procedures for Airborne Equipment.
5. Garmin has been granted a deviation from TSO-C106 to modify the requirement in
SAE AS 8002A paragraph 9.2 e. to allow the unit to be legibly and permanently
marked with a serial number and not the date of manufacture.
6. Garmin has been granted a deviation from TSO-C106 to modify the requirement in
SAE AS 8002A section 9.2 to not mark the equipment or nameplate with Range of
altitude, airspeed and Mach, Model designations of airplane, Environment categories,
and Nominal weight.
TSO-C201
1. Garmin has been granted a deviation from TSO-C201 to use RTCA DO-160F
instead of RTCA DO-160G as the standard for Environmental Conditions and Test
Procedures for Airborne Equipment.
2. Garmin has been granted a deviation from TSO-C201 paragraph 4, which requires
marking equipment with the TSO number.
340095
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