PAI-700 Vertical Card Compass | 5V, Southern Hemispere CI-2728410 The Aero Dock gives you

The Aero Dock gives you the option of mounting it on the outside

lightweight method for protecting cable assemblies

and 3/8-inch diameter spikes pull together and holdfast to the ground

INVERTER BOARD

PAI-700 Vertical Card Compass | 5V, Southern Hemispere CI-2728410 The Aero Dock gives youThe PAI700 Vertical Card Magnetic Compass provides an easy to steer by presentation with an airplane shaped lubber line on the lens that allows full view of the 360 degree dial in relation to flight. The two inch vertical dial rotates against a the fixed lubber line which shows the magnetic heading of the aircraft at all times (the heading is read at the 12 o'clock position and off the nose of the lubber line). This vertical card compass (EDMO# PAI700