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G900X/G950 Installation and Maintenance Manual – GDU 1040
Revision D
190-00719-00
TSO/ETSO Deviations, continued
TSO/ETSO Deviation
1. Garmin was granted a deviation from TSO-C47 to use SAE AS 408C instead of SAE AS 408A for
Minimum Performance Standards and Environmental Standards.
2. Garmin was granted a deviation from TSO-C47 to modify the requirement 4.1.5 in SAE AS 408C
TSO-C47
3. Garmin was granted a deviation from TSO-C47 to use RTCA DO-160D instead of AS 408C as
the standard for Environmental Standards.
1. Garmin was granted a deviation from ETSO-C47 to use SAE AS 408C instead of SAE AS 408A
for Minimum Performance Standards and Environmental Standards.
2. Garmin was granted a deviation from ETSO-C47 to modify the requirement 4.1.5 in SAE AS
408C
ETSO-C47
3. Garmin was granted a deviation from ETSO-C47 to use RTCA DO-160D instead of AS 408C as
the standard for Environmental Standards.
1. Garmin was granted a deviation from TSO-C49b to use SAE AS 404C instead of SAE AS 404B
for Minimum Performance Standards and Environmental Standards.
2. Garmin was granted a deviation from TSO-C49b to modify the requirement 4.1.2 in SAE AS
404C
3. Garmin was granted a deviation from TSO-C49b, SAE AS 404C requirement 4.1.3.2
TSO-C49b
4. Garmin was granted a deviation from TSO-C49b to use DO-160D instead of SAE AS 407B as
the Environmental Standard.
1. Garmin was granted a deviation from ETSO-C49b to use SAE AS 404C instead of SAE AS 404B
for Minimum Performance Standards and Environmental Standards.
2. Garmin was granted a deviation from ETSO-C49b to modify the requirement 4.1.2 in SAE AS
404C
3. Garmin was granted a deviation from ETSO-C49b, SAE AS 404C requirement 4.1.3.2
ETSO-C49b
4. Garmin was granted a deviation from ETSO-C49b to use DO-160D instead of SAE AS 404B as
the Environmental Standard.
1. Garmin was granted a deviation from AS-8008 paragraph 3.6 to limit flight director operation to
attitudes considered safe for the certified aircraft.
TSO-C52b
2. Garmin was granted a deviation from TSO-52b to use RTCA DO-160D instead of RTCA DO-
160C as the standard for Environmental Conditions and Test Procedures for Airborne Equipment.
ETSO-C52b
1. Garmin was granted a deviation from AS-8008 paragraph 3.6 to limit flight director operation to
attitudes considered safe for the certified aircraft.
1. Garmin was granted a deviation from TSO-C55 to use SAE AS 405C instead of SAE AS 405B to
demonstrate compliance for Fuel and Oil Quantity Instruments.
2. Garmin was granted a deviation from TSO-C55 to modify the requirement 4.2.5 in SAE AS 405C
TSO-C55
3. Garmin was granted a deviation from TSO-C55 to modify the requirement 4.2.4 in SAE AS 405C
1. Garmin was granted a deviation from ETSO-C55 to use SAE AS 405C instead of SAE AS
405B to demonstrate compliance for Fuel and Oil Quantity Instruments.
2. Garmin was granted a deviation from ETSO-C55 to modify the requirement 4.2.5 in SAE AS
405C
3. Garmin was granted a deviation from ETSO-C55 to modify the requirement 4.2.4 in SAE AS
405C to allow "FUEL QTY" to be used to abbreviate "Fuel Quantity".
ETSO-C55
4. Garmin was granted a deviation from ETSO-C55 to use DO-160D instead of SAE AS 405B as
the Environmental Standard.
