what are the main cardinal points?
what is north, south, east, and west
What does the lubber line indicate?
What is the direction the airplane is heading
What is variation?
what is the angle between true north and magnetic north
For what does a compass card indicate corrections?
What is deviation
what are the inter-cardinal points?
what is northeast, southeast, southwest, and northwest
What part of the compass contains the numbers that are read?
what is the compass card
What are isogonic lines?
What join places of equal magnetic variation
What does a turn from the north cause a compass to do?
What is lag
Where does the magnetic needle point?
what is Magnetic north
What liquids are used in the compass bowl?
what is alcohol or white kerosene
How is a magnetic heading calculated?
what is calculated by adding westerly and subtracting easterly variation to/from the true heading
On what headings does acceleration and deceleration cause the compass to register a turn?
East and west
What cardinal point does a bearing of 270 degrees represent?
what is West
what is the compass bowl made of?
what is brass
Navigation charts use _____, so pilots must convert to ________
true north, magnetic headings
What is the direction compass needle points when affected by the running engine and working electrical equipment?
what is compass north
What is your heading (in degrees) if you are flying northwest?
what is 45 degrees
what is parallel to the longitudinal axis of the plane?
what is the lubber line
agonic line variation is _____, while isogonic line variation is ______.
zero, constant
What is the angle between magnetic north and compass north?
what is deviation