Compass Errors Flashcards
What are the compass errors you can experience
Variation
Deviation
Magnetic dip
Oscillation
Northernly turning errors
Acceleration errors
What is a variation compass error
Isogonic lines on sectional depict difference between true north and magnetic north
What is compass deviation
Electronic equipment interfere with compass
What is magnetic dip
As a compass approaches magnetic poles, compass wants to dip towards the ground
What is a compass Oscillation error?
It’s a mixture of all the errors, the compass is doing the Harlem shake
What are the properties of northerly turning errors
[ UNOS ]
Undershoot North
Overshoot South
What are the Acceleration errors
[ ANDS ]
Accelerate NORTH
Decelerate SOUTH