- Types:
- show 8 types...
- hide 8 types...
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artificial horizon, flight indicator, gyro horizon
a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot
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compass
navigational instrument for finding directions
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depth finder
navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
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inclinometer
an instrument showing the angle that an aircraft makes with the horizon
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asdic, echo sounder, sonar
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
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gyrocompass
a compass that does not depend on magnetism but uses a gyroscope instead
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magnetic compass
compass based on an indicator (as a magnetic needle) that points to the magnetic north
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fathometer, sonic depth finder
depth finder for determining depth of water or a submerged object by means of ultrasound waves
