Podcast
Questions and Answers
What is the primary function of a direct-reading magnetic compass?
What is the primary function of a direct-reading magnetic compass?
- To show the direction in which an aircraft is heading with respect to the Earth's magnetic meridian (correct)
- To show the direction of the magnetic equator
- To measure the angle of magnetic inclination
- To detect the magnetic poles
At what location on the Earth's surface are the lines of force horizontal to the surface?
At what location on the Earth's surface are the lines of force horizontal to the surface?
- At the geographic equator
- At the magnetic poles
- At the North Pole
- At the magnetic equator (correct)
What is the angle of magnetic inclination at the magnetic poles?
What is the angle of magnetic inclination at the magnetic poles?
- 90 degrees (correct)
- 0 degrees
- 180 degrees
- 45 degrees
What emerges vertically at the north magnetic pole?
What emerges vertically at the north magnetic pole?
What type of compass incorporates both the magnetic sensing element and display element in one component?
What type of compass incorporates both the magnetic sensing element and display element in one component?
Why is it important for the pilot to correct for variation when navigating?
Why is it important for the pilot to correct for variation when navigating?
What is a desirable property of a liquid used in a compass?
What is a desirable property of a liquid used in a compass?
What is the purpose of a flexible element in a liquid-filled compass?
What is the purpose of a flexible element in a liquid-filled compass?
What happens to the liquid in a compass when it is subjected to low temperatures?
What happens to the liquid in a compass when it is subjected to low temperatures?
What can cause a compass to become unserviceable?
What can cause a compass to become unserviceable?
Why is low power lighting used in compass illumination?
Why is low power lighting used in compass illumination?
What type of cable is often used to supply power to a compass's illumination?
What type of cable is often used to supply power to a compass's illumination?
What is the primary cause of deviation in an aircraft's magnetic compass?
What is the primary cause of deviation in an aircraft's magnetic compass?
What is the purpose of the compass compensation phase in the calibration procedure?
What is the purpose of the compass compensation phase in the calibration procedure?
What is the result of the compass calibration process?
What is the result of the compass calibration process?
What can affect the Earth's magnetic field in an aircraft?
What can affect the Earth's magnetic field in an aircraft?
When can deviation error be minimised?
When can deviation error be minimised?
What is the purpose of the compass correction card?
What is the purpose of the compass correction card?
What is the primary factor affecting compass accuracy on north-south headings?
What is the primary factor affecting compass accuracy on north-south headings?
Where are the compensator magnets located?
Where are the compensator magnets located?
What is the purpose of the compass calibration proforma?
What is the purpose of the compass calibration proforma?
When is the compass compensation and adjustment procedure performed?
When is the compass compensation and adjustment procedure performed?
What is the result of not correcting for coefficient C error?
What is the result of not correcting for coefficient C error?
What is the final step in the compass compensation process?
What is the final step in the compass compensation process?
What is the main purpose of rotating the compass or flux valve in relation to Coefficient A?
What is the main purpose of rotating the compass or flux valve in relation to Coefficient A?
When does the magnetism in the fuselage affect compass accuracy the most?
When does the magnetism in the fuselage affect compass accuracy the most?
What is the purpose of the compensator magnets located in the lateral axis of the aircraft?
What is the purpose of the compensator magnets located in the lateral axis of the aircraft?
What is Coefficient C error primarily caused by?
What is Coefficient C error primarily caused by?
Why does the fuselage magnetism not modify the magnetic meridian when the aircraft is heading north or south?
Why does the fuselage magnetism not modify the magnetic meridian when the aircraft is heading north or south?
What is the orientation of the imaginary magnet that causes Coefficient B error?
What is the orientation of the imaginary magnet that causes Coefficient B error?
