Flight Instruments

VERTICAL SPEED INDICATOR

Indicates airplane rate of climb or descent.

PNEUMATIC ALTIMETER

Indicates airplane altitude above reference pressure.

PNEUMATIC AIRSPEED INDICATOR

Indicates airplane airspeed in knots and mach.

SAT/TAS INDICATOR

Indicates airplane standard air temperature and true airspeed

RADIO MAGNETIC INDICATOR

Combines a magnetic compass with navigation signals from VORs and NDBs to provide bearing information to the selected station.

HORIZONTAL SITUATION INDICATOR

Integrates the directional gyro, course deviation indicator, and glide slope to provide comprehensive display of flight path relative to a chosen navigation source.

ATTITUDE DIRECTION INDICATOR

Provides information about the orientation of the aircraft relative to the horizon.

INSTRUMENT COMPARATOR

Compares data outputs of flight instruments and displays an appropriate warning when the captain's and first officer's instruments disagree.

RADIO ALTIMETER INDICATOR

Provides a visual display of airplane terrain clearance, from 0 to 2500 ft. A light will warn the crew that the airplane is at or below the selected altitude.

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