Airworthiness Directives; HONEYWELL, INC., SPERRY COMMERCIAL FLIGHT SYSTEMS GROUP, BUSINESS AND
COMMUTER AVIATION SYSTEMS DIVISION (Sperry Corporation) AH-600 Attitude and Heading Reference System (AHRS) Strapdown Attitude and Heading Reference Unit (AHRU),
Unsafe Condition: The possibility of the primary attitude and heading displays on both sides of the instrument panel failing simultaneously.
Effective: Feb 5, 1990
Category: appliance
Compliance: Within 10 days after January 9, 1989 (the effective date of Amendment 39-6093) for pilot's AHRS; ...
Why matched: Airworthiness Directives; HONEYWELL, INC., SPERRY COMMERCIAL FLIGHT SYSTEMS GROUP, BUSINESS AND
COMMUTER AVIATION SYSTEMS DIVISION (Sperry Corporation) AH-600 Attitude and Heading Reference System (AHRS) Strapdown Attitude and Heading Reference Unit (AHRU),