The vertical rotating azimuth card is controlled by a precision gyroscope, air-driven/ The directional gyro will give correct heading information through +/- 60 deg of aircraft attitude in roll and pitch, 360 deg in yaw. A caging knob is provided to reset the gyro to the magnetic compass. See website for up to date pricing.
Dim: 3-1/8 x 3-1/8 x8 max. Weight: 2.2 lbs approximately. Power: 4.5 to 5.2 in. Hg. Vac. or Pressure. *Most Units available Outright or as Exchange. Or we can Overhaul your unit. Contact us for pricing.