Magnetic Compas

Question 1

Magnetic compass errors

Answer 1

Unos

Under shoot
North

Over shoot
South

ANDS- oscillation errors

Accelerate
North

Decelerate
South

Question 2

When in unaccelerated flight

Answer 2

You need to undershoot North and overshoot South

We do this when turning to those headings using just the magnetic compass

Question 3

Northerly turning error

Answer 3

In the northern hemisphere , a magnetic compass will normally indicate a turn toward the west if a right turn is entered from a north heading.

Question 4

Northerly turning error , how much do I need to undershoot ?

Answer 4

Depends on how much bank angle you’re using.

So… use about half the angle if your banking 30 degrees lead the roll out by 15 degrees