AIRPLANE
OPERATIONS
MANUAL
FLIGHT
INSTRUMENTS
REVISION 39
2-17-20
Page
7
Code
01
AOM-145/1114
1 - ROLL INDEX
− Roll scale graduated to provide measurement of bank angle by
the roll pointer.
− Full dots at 0°, 30°, 60° and 90°, and half dots at 10° and 20°.
2 - ROLL POINTER
− Indicates the bank angle against the roll index scale.
3 - HORIZON LINE
− Earth’s horizon relative line.
− The field below the horizon line is indicated in black (“dive”), and
above, in light blue (“climb”).
4 - CAGE KNOB
− Pull to the fully extended position, rotate clockwise and release
at the detent position to cage the indicator.
− Pull, rotate counterclockwise and release smoothly to uncage.
5 - MINIATURE AIRPLANE
− Indicates airplane roll and pitch attitudes relative to the horizon
line.
6 - PITCH SCALE
− Gives direct reading of airplane pitch attitude.
− Marked every 5° in pitch.
7 - POWER WARNING FLAG
When in view, indicates power off, caged condition, open motor
winding, or loss of power.
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