The Compass | Direction Flashcards
A bearing is a direction obtained by ___
observation
True north is represented by a line from any point on the Earth’s surface to the ___ ___
North Pole
Magnetic North moves by _ degree every 5 years
1
Variation is the angle between the ___ and ___
magnetic and true meridians
Variation aka ___
declination
If the magnetic meridian is to the ___ of the true one, variation is Easterly and +
right
If the magnetic meridian is to the ___ of the true on, it is Westerly and -
left
The magnetic track angle is the direction of the path of an aircraft across the Earth’s surface against __ __
Magnetic North
____ join places of equal variation
isogonals
___ join places of zero variation
agonics
Deviation is ____ to Z, and ___ proportional to H
directly inversely
With Westerly deviation, Compass North is ___ of Magnetic North
west
With Easterly deviation, compass North is ___ of Magnetic North
East
Positive deviations deflect the compass to the ___, and are _
right +
Negative deviations deflect the compass to the ___, and are _
left -
