Garmin G900X - Page 92

G900X/G950 Installation and Maintenance Manual – GEA 71
Revision D 190-00719-00
Page 5-4
5.4.1 TSO/ETSO Deviations
Table 5-4 contains a list of TSO/ETSO deviations granted to Garmin for the GEA 71:
Table 5-4. GEA 71 TSO/ETSO
TSO/ETSO Deviation
1. Garmin was granted a deviation from TSO-C43c to use SAE AS 8005A in place of
SAE AS 8005 to demonstrate compliance for Temperature Instruments.
TSO-C43c
2. Garmin was granted a deviation from TSO-C43c section a.2 to use RTCA DO-160D in
place of RTCA DO-160C for the Environmental Standard.
1. Garmin was granted a deviation from ETSO-C43c to use SAE AS 8005A in place of
SAE AS 8005 to demonstrate compliance for Temperature Instruments.
ETSO-C43c
2. Garmin was granted a deviation from ETSO-C43c section a.2 to use RTCA DO-160D in
place of RTCA DO-160C for the Environmental Standard.
1. Garmin was granted a deviation from TSO-C44b section a.3 to use RTCA DO-160D in
place of SAE AS 407B for the Environmental Standard.
2. Garmin was granted a deviation from TSO-C44b section b.1 to not display the software part
number on the outside of the unit. Notice 8110.49 paragraph 5-4.d states, “For airborne
equipment having separate part numbers for hardware and software, the software part
number need not be displayed on the outside of the unit, as long as it can be verified through
some kind of electronic query.”
TSO-C44b
3. Garmin was granted a deviation from TSO-C44b to use SAE AS 407C in place of
SAE AS 407B to demonstrate compliance for Fuel Flowmeters.
1. Garmin was granted a deviation from ETSO-C44b section a.3 to use RTCA DO-160D in
place of SAE AS 407B for the Environmental Standard.
2. Garmin was granted a deviation from ETSO-C44b section b.1 to not display the software
part number on the outside of the unit. Notice 8110.49 paragraph 5-4.d states, “For airborne
equipment having separate part numbers for hardware and software, the software part
number need not be displayed on the outside of the unit, as long as it can be verified through
some kind of electronic query.”
ETSO-C44b
3. Garmin was granted a deviation from ETSO-C44b to use SAE AS 407C in place of
SAE AS 407B to demonstrate compliance for Fuel Flowmeters.
TSO-C45a
1. Garmin was granted a deviation from TSO-C45a section a.4 to use RTCA DO-160D in
place of RTCA DO-160C for the Environmental Standard.
ETSO-C45a
1. Garmin was granted a deviation from ETSO-C45a section a.4 to use RTCA DO-160D in
place of RTCA DO-160C for the Environmental Standard.
1. Garmin was granted a deviation from TSO-C47 to use SAE AS 408C in place of
SAE AS 408A to demonstrate compliance for Pressure Instruments, Fuel Oil and Hydraulic.
TSO-C47
2. Garmin was granted a deviation from TSO-C47 to use the environmental standards set forth
in RTCA DO-160D in place of the environmental standards set forth in SAE AS 408C.
1. Garmin was granted a deviation from ETSO-C47 to use SAE AS 408C in place of
SAE AS 408A to demonstrate compliance for Pressure Instruments, Fuel Oil and Hydraulic.
ETSO-C47
2. Garmin was granted a deviation from ETSO-C47 to use the environmental standards set
forth in RTCA DO-160D in place of the environmental standards set forth in
SAE AS 408C.
1. Garmin was granted a deviation from TSO-C49b to use SAE AS 404C in place of
SAE AS 404B to demonstrate compliance for Electric Tachometer Instruments.
TSO-C49b
2. Garmin was granted a deviation from TSO-C49b section a.3 to use RTCA DO-160D in
place of SAE AS 407B for the Environmental Standard.
1. Garmin was granted a deviation from ETSO-C49b to use SAE AS 404C in place of
SAE AS 404B to demonstrate compliance for Electric Tachometer Instruments.
ETSO-C49b
2. Garmin was granted a deviation from ETSO-C49b section a.3 to use RTCA DO-160D in
place of SAE AS 407B for the Environmental Standard.