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AS397B - Direction Instrument, Non-Magnetic, Stabilized Type (Directional Gyro)

Details
Document Number: AS397B
Revision Number: B
Title
Direction Instrument, Non-Magnetic, Stabilized Type (Directional Gyro)
Scope
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.
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