General; Garmin Gdl 84H/88H Uat Transceiver - Garmin GDL 88H Rotorcraft Flight Manual Supplement

Garmin International
st
1200 E. 151 Street Olathe, KS 66062
USA

GENERAL

Garmin GDL 84H/88H UAT Transceiver

The Garmin GDL 84H/88H UAT Transceiver is an ADS-B system comprised of
a Garmin TSO-C154c GDL 84H/88H, one or two UAT/1090 antenna(s),
optional Garmin approved GPS/SBAS antenna, optional Garmin GPS/SBAS
position source, and other interfaces as shown in the following block diagram.
GPS Antenna
Annunciator
Altitude Reporting
Reporting Switch On/Off Switch
(self interrogation only) (self interrogation only)
Transponder Transponder
Altitude Source Altitude Sensor
Radio Altitude
Bottom
UAT Antenna
Top
UAT Antenna
GTN 6XX/7XX
or
GNS 400W/500W Series
Transponder
Altitude Source
Audio Panel
Bottom
UAT Antenna
190-01310-J2 Rev. 1
ADS-B
ADS-B
Annunciator
(Optional)
Altitude
OR
Collective
Switch
= Installed by
this STC
Figure 1 – GDL 84H Block Diagram
GDL 88DH Only
= Installed by
this STC
Figure 2 – GDL 88H Block Diagram
ROTORCRAFT FLIGHT MANUAL SUPPLEMENT
GARMIN GDL 84H/88H ADS-B TRANSCEIVER
Traffic Alerting (Optional)
GDL 84H
Legend
= Prerequisite
Installation
GDL 88H
or
GDL 88DH
Legend
= Prerequisite
Installation
for STC SR02123SE
TRAFFIC
Annunciator
Audio Panel
Traffic Aurals
On/Off Switch
(without Radio Altitude)
Traffic Mute
Switch
(Optional)
Heading
(Optional)
Anonymous
Mode Switch
(Optional)
Heading
(Optional)
Radio Altitude
(Optional)
Collective
Switch
(Optional)
TAS/TCAS
(Optional)
Traffic Mute
Switch
(Optional)
Page 9 of 16