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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > General Navigation > According to FAA AC 43.13-1B, paragraph 12-37, which of these circumstances calls for a compass swing?

129 - ATPL Question Bank in English - According to FAA AC 43.13-1B, paragraph 12-37, which of these circumstances calls for a compass swing?

Question 129 - General Navigation - ATPL - Airline Transport Pilot Licence

Before every flight involving a large change of magnetic latitude, even when compass accuracy and magnetic deviation are unchanged.

After an aircraft has passed through a severe electrical storm, or has been struck by lightning

Whenever an aircraft carries a large freight load regardless of its content

After retuning a radio to another frequency, with no change to its installation or the aircraft electrical system.

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