Test prep › Private Pilot Airplane › Question 40

Private Pilot Airplane practice question 40

Deviation error of the magnetic compass is caused by

Show answer

Correct answer: B. certain metals and electrical systems within the aircraft.

Deviation is caused by magnetic fields inside the aircraft, such as metal parts and electrical equipment. It varies with heading and is shown on the compass correction card. Choice C is variation.

References

Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), p. 8-24, Flight Instruments · search it in our library

Practice 10 random questions Practice 20

← Question 39 All Private Pilot Airplane questions Question 41 →

Question 40 from the FAA document Private Pilot-Airplane (PAR) Sample Questions (U.S. Government work, public domain) · ACS/LSC code PA.VI.A.K2. The FAA does not publish an answer key; the answer and explanation are ours, with references. Verify against the current regulations and handbooks.