TB 43-0123
ID-2278A/A
6610-01-155-8326
EIC: N/A
1. Brief Description: The ID-2278A/A Horizontal
2. Applicable Tools and Test Equipment:
Situation Indicator is installed in the AH-1S and CH-
Not applicable.
47D aircraft. It receives its inputs from selected
3. Applicable Publications:
installed navigation sets and displays various
Not applicable.
readouts utilizing a compass card, glideslope printer,
course divation bar, bearing printers, and digital
range/course readout. It also includes heading and
course selector knobs.
ll-B-49
