Compass & Correction Card
Essential if one wants to fly in the right direction.
Whenever a significant change is made to an airframe it is necessary to Swing the compass to determine the small errors that residual magnetic fields in the structure have on the compass.
Those errors are recorded on the Compass Card. As can be seen from this card, the errors in this compass are only one or two degrees.
#76 Magnetic for 118 pictures in 2018
Transport for Macro Mondays
Compass & Correction Card
Essential if one wants to fly in the right direction.
Whenever a significant change is made to an airframe it is necessary to Swing the compass to determine the small errors that residual magnetic fields in the structure have on the compass.
Those errors are recorded on the Compass Card. As can be seen from this card, the errors in this compass are only one or two degrees.
#76 Magnetic for 118 pictures in 2018
Transport for Macro Mondays