Page 1-14
GTN 625/635/650 TSO Installation Manual
Rev. C
190-01004-02
TSO/ETSO
Deviation
TSO-C151b
1. Garmin was granted a deviation from the TSO Section 5.c(2) not to furnish each person receiving a unit
copies of the data in paragraphs 5.a(11) through (13) of the TSO.
2. Garmin was granted a deviation from the TSO to mark product name, part number, serial number and a
statement on the unit‟s nameplate label “TSO-C146c Class 3, See IM for Add‟l Appliance Approvals ”, instead of
Product Type, TSO Numbers, Equipment Class, “Dev” (deviation), Environmental Categories, Date of
Manufacture, weight and Software Part Number.
3. Garmin was granted a deviation from the TSO to use RTCA/DO-160F instead of earlier versions of RTCA/DO-
160 as the standard for Environmental Conditions and Test Procedures of Airborne Equipment.
TSO-C165
1. Garmin was granted a deviation from the TSO Section 5.c(2) not to furnish each person receiving a unit
copies of the data in paragraphs 5.a(11) through (13) of the TSO.
2. Garmin was granted a deviation from the TSO to mark product name, part number, serial number and a
statement on the unit‟s nameplate label “TSO-C146c Class 3, See IM for Add‟l Appliance Approvals ”, instead of
Product Type, TSO Numbers, Equipment Class, “Dev” (deviation), Environmental Categories, Date of
Manufacture, weight and Software Part Number.
3. Garmin was granted a deviation from the TSO to use RTCA/DO-160F instead of earlier versions of RTCA/DO-
160 as the standard for Environmental Conditions and Test Procedures of Airborne Equipment.
TSO-C169a
1. Garmin was granted a deviation from the TSO to mark product name, part number, serial number and a
statement on the unit‟s nameplate label “TSO-C146c Class 3, See IM for Add‟l Appliance Approvals ”, instead of
Product Type, TSO Numbers,
Equipment Class, “Dev” (deviation), Environmental Categories, Date of
Manufacture, weight and Software Part Number.
2. Garmin was granted a deviation from the TSO to use RTCA/DO-160F instead of earlier versions of RTCA/DO-
160 as the standard for Environmental Conditions and Test Procedures of Airborne Equipment.
1.5.4
FCC Grant of Equipment Authorization
Model
FCC ID
IC ID
GTN 635
IPH-01594
1312A-01594
GTN 650
IPH-01594
1312A-01594
1.5.5
AFM/AFMS/POH Considerations
The following information may be used as guidance in developing an approved AFM, AFMS, and/or
POH when not installed in accordance with an STC provided the installation is:
comprised of one or more TSO-C146c Class 3 approved Garmin GTN 625/635/650 Display
Unit(s), one or more Garmin approved GPS/SBAS antenna(s) (see Table 1-3), and GPS software
version 4.0 or later approved version,
in accordance with the guidance in AC 20-138A and the installation instructions in this manual.
GARMIN GNSS (GPS/SBAS) NAVIGATION SYSTEM EQUIPMENT APPROVALS
For FAA approved installations in U.S. registered aircraft:
The Garmin GNSS navigation system is a GPS system with a Satellite Based Augmentation System
(SBAS), comprised of one or more Garmin TSO-C146c GTN 625/635/650 navigator(s) and one or more
Garmin approved GPS/SBAS antenna(s). The Garmin GNSS navigation system should be installed in
accordance with AC 20-138A.
The Garmin GNSS navigation system, as installed in this aircraft, and when installed in accordance with
the requirements of AC 20-138A, has airworthiness approval for navigation using GPS and SBAS (within
the coverage of a Satellite Based Augmentation System complying with ICAO Annex 10) for IFR en
route, terminal area, and non-precision approach operations (including those approaches titled ―GPS‖, ―or
GPS‖, and ―RNAV (GPS)‖ approaches). The Garmin GNSS navigation system is approved for approach
procedures with vertical guidance including ―LPV‖ and ―LNAV/VNAV‖, within the U.S. National
Airspace System.
