G900X/G950 Installation and Maintenance Manual – GDU 1040
Page 2-15
190-00719-00
Revision D
TSO/ETSO Deviations, continued
TSO/ETSO Deviation
1. Garmin was granted a deviation from ETSO-C146 to use RTCA/DO-229C instead of RTCA/DO-
229B.
2. Garmin was granted a deviation from ETSO-C146 to modify the requirement 2.2.1.1.4.3 in
RTCA/DO-229C.
3. Garmin was granted a deviation from ETSO-C146 to modify the requirement 2.2.1.4.9.c in
RTCA/DO-229C.
4. Garmin was granted a deviation from ETSO-C146 to eliminate the requirement 2.2.4.2.3 in
RTCA/DO-229C.
5. Garmin was granted a deviation from ETSO-C146 to modify the requirements 2.2.4.6.4 and
2.2.5.6.4 in RTCA/DO-229C.
ETSO-C146
6. Garmin was granted a deviation from ETSO-C146 to modify the requirement 2.2.1.1.6 in
RTCA/DO-229C.
TSO-C151b
1. Garmin was granted a deviation from TSO-C151b 5.c(2)
TSO-C151b 5.a(11) states “An environmental qualification form as described in RTCA/DO-160D or
the most current revision for each component of the TAWS equipment.”
TSO-C151b 5.a(12) primarily states “A list of all drawings and processes, including revision level,
necessary to define the article's design.”
TSO-C151b 5.a(13) primarily states “If the article includes software: Plan for Software Aspects of
Certification (PSAC); Software Configuration Index; and Software Accomplishment Summary.”
Garmin was granted a deviation to not furnish each person receiving a GDU 1XXX copies of the
data in 5.a(12) and 5.a(13).
TSO-C169
1. Garmin was granted a deviation to TSO-C169, paragraph 4.e requirement to mark (DEV) after
the TSO number on the equipment. Garmin will mark as follows, as TSO-C169 is not the primary
TSO and the Install Manual contains all of the TSO-C169 information including deviations.
TSO-C113
See Install Manual for additional TSO’s