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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > General Navigation > Which statement about full static gyro-compassing alignment of a conventional, unaided civil-aircraft INS is correct?

569 - ATPL Question Bank in English - Which statement about full static gyro-compassing alignment of a conventional, unaided civil-aircraft INS is correct?

Question 569 - General Navigation - ATPL - Airline Transport Pilot Licence

It requires the aircraft to be stationary; the static alignment method cannot reliably separate motion-induced accelerations from alignment errors while the aircraft is manoeuvring in flight.

It must be performed while the aircraft is taxiing, so the accelerometers can identify true north.

It restores full navigation alignment in flight without a known initial position or external navigation aiding.

It uses indicated airspeed in place of gravity and Earth rotation to establish the local vertical.

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