TB 43-0123
ID-2277A
EIC: NIA
ID-2277A Vertical Situation Indicator
1.
Brief Description: The ID-2277A Vertical
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
installed navigation sets and displays various
3. Applicable Publications:
readouts utilizing a compass card, glideslope printer,
Not Applicable.
course divation bar, bearing printers, and digital
range/course readout. It also includes heading and
course selector knobs.
II-B-48