TM 55-4920-432-13&P
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CONTROLS AND INSTRUMENTS (CONT.)
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l.
Rate-of-Climb Indicator. The rate-of-climb indicator measures from 1,000 feet below to 80,000 feet
above sea level. A barometric scale which is operated by the correction knob is an integral part of
the altimeter which is used to test the accuracy of aircraft altimeters.
m.
Airspeed Indicator. The airspeed indicator measures the differential between pitot and static
pressures created by the tester in a range between 0 and 400 knots and is used to test the
accuracy of airspeed indicators.
n.
Control Panel - The relation of the instruments and controls in the electrical and pneumatic system
is illustrated below:
CONTROL PANEL
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