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Welcome to the Dauntless Aviation Glossary!
At Dauntless, our editorial staff maintains the web's largest unified glossary of aviation terms. This glossary is built from a combination of official, quasi-official,
and proprietary sources (including original material that we develop oursselves). Uniquely, we often provide multiple definitions of a given term so that you can find that which best applies
to you. In order to maximize your learning efficiency, this glossary (and similar ones for our international users) is incresingly fully integrated into our aviation learning apps, including
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Ins
Ins | | Self-contained internal navigation system using sensors to measure changes in motion of aircraft, acceleration and deceleration, airspeed, altitude, and heading to maintain current position of aircraft. Also called “position keeping” because an interruption of the system requires the pilot to initialize or enter the beginning point of aircraft position reference. | source: FAA Advanced Avionics Handbook (FAA-H-8083-6) |
| | Inertial Navigation System. | source: FAA Aviation Maintenance Technician Airframe Handbook (FAA-H-8083-31) |
| | An RNAV system which is a form of self-contained navigation. (See Area Navigation/RNAV.) | source: FAA Pilot/Controller Glossary |
| | Inertial Navigation System (INS): A computer-based navigation system that tracks the movement of an aircraft via signals produced by on-board accelerometers. The initial location of the aircraft is entered into the computer, and all subsequent movement of the aircraft is sensed and used to keep the position updated. An INS does not require any inputs from outside signals. | source: FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25A) |
| | See inertial navigation system. | source: ICAO English Pro Aviation Glossary |
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Disclaimer: While this glossary in most cases is likely to be highly accurate and useful, sometimes, for any number of editorial, transcription, technical, and other reasons, it might not be.
Additionally, as somtimes you may have found yourself brought to this page through an automated term matching system, you may find definitions here that do not match the cotext or application in which
you saw the original term. Please use your good judgement when using this resource.
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