SAE AS397B
Direction Instrument, Non-Magnetic, Stabilized Type (Directional Gyro)(STABILIZED Aug 2012)
To specify minimum requirements for non-magnetic gyroscopically stabilized direction indicators for use in aircraft, the operation of which may subject the instruments to the environmental conditions specified in Paragraph 3.3. This Aeronautical Standard covers two basic types as follows: Type I - Air Operated, Type II - Electrically Operated.
History:| Standard | Published | Revision | Status |
|---|---|---|---|
| AS397B | 2012-08-22 | Latest | |
| AS397A | 1958-07-01 | Historical | |
| AS397 | 1947-02-01 | Historical |