Garmin GNC 420AW Installation Manual - page 160
Page G-4
400W Series Installation Manual
Rev. E
190-00356-02
G.5 Encoding Altimeter or Blind Encoder (Gray Code)
Encoding altimeters or blind encoders not listed below can still be approved under 400W/500W Series
AML STC SA01933LA if
all
of the following conditions are met:
•
The altitude encoding altimeter / encoder is TSO approved;
•
The installation of the altitude encoder was previously FAA-approved;
•
The interface check for the altitude encoder described in section
5.4.4
(serial interface) or 5.4.5
(parallel / gray code interface) of the applicable 400W/500W installation manual must be
successfully completed.
Manufacturer Model
Data
Format
Notes
Honeywell (Bendix/King)
KEA-130A
KEA-346
Parallel Gray Code
Sandia
SAE-35
Parallel Gray Code
Terra
AT-3000
Parallel Gray Code
Trans-Cal Industries
IA-RS-232-X
SSD120
Parallel Gray Code
Parallel Gray Code
G.6 EFIS
Displays
Manufacturer Model
Data
Format
Notes
Honeywell (Bendix/King)
EFIS 40/50
SG 465
ARINC 429
400W/500W series
software version 3.00 or
later is required.
SG 465 software 1101 or
later is required.
Vertical guidance is
provided for GPS
approaches.
Avidyne
EXP5000
P/N 700-00006-( )
ARINC 429
PFD software
P/N 530-00194-( ) or later
is required.
G.7 EHSI
Manufacturer Model
Data
Format
Notes
SN 3308
Analog/ARINC
429
GPS lateral and vertical
guidance is provided
using the analog
interface.
Sandel
SN3500 ARINC
429
Vertical guidance is
provided for GPS
approaches.