Garmin GDL 84H, Rotorcraft Flight Manual Supplement

Page: 4 / 16

Garmin International
1200 E. 151
st
Street Olathe, KS 66062
USA
ROTORCRAFT FLIGHT MANUAL SUPPLEMENT
for STC SR02123SE
GARMIN GDL 84H/88H ADS-B TRANSCEIVER
190-01310-J2 Rev. 1 Page 4 of 16
FAA APPROVED
Section 1. OPERATING LIMITATIONS
1.1 Minimum Equipment
The GDL 84H must have the following system interfaces fully functional in
order to be compliant with the requirements for 14 CFR 91.227 ADS-B Out
operations:
Interfaced Equipment
Number
Installed
Number Required
Transponder 1 or more 1
Barometric altitude source 1 or more 1
Table 1 – Required Equipment
The GDL 88H must have the following system interfaces fully functional in
order to be compliant with the requirements for 14 CFR 91.227 ADS-B Out
operations:
Interfaced Equipment
Number
Installed
Number Required
GPS Navigator (GTN or GNS) 1 or more 1
Transponder 1 or more 1
Barometric altitude source 1 or more 1
Table 2 – Required Equipment
1.2 ADS-B Out
The GDL 84H/88H only complies with 14 CFR 91.227 for ADS-B Out when all
required functions are operational as indicated by:

External ADS-B annunciator not illuminated (if installed) OR

GTN or GNS interfaced display - GDL 88 ADS-B messages for ADS-
B Out functions not anunnciated.
1.3 Anonymous Mode
Anonymous Mode must only be operated while operating under VFR while
squawking a VFR code. If requested by Air Traffic Control, Anonymous Mode
must be turned off.