Search FAA Documents

Airworthiness Directives; SPERRY FLIGHT SYSTEMS, AVIONICS DIVISION: Applies to Sperry Model SPZ-7000 with FZ-700 Computer Part No. 7003183-901 or 7003183-902 installed

Unsafe Condition: Improper excursions from the glide slope during instrument landing system (ILS) approach due to engaging ILS mode above 2000 feet AGL.

Why matched: Airworthiness Directives; SPERRY FLIGHT SYSTEMS, AVIONICS DIVISION: Applies to Sperry Model SPZ-7000 with FZ-700 Computer Part No. 7003183-901 or 7003183-902 installed

Airworthiness Directives; SPERRY FLIGHT SYSTEMS, AVIONICS DIVISION: Applies to Flight Director Systems installed on aircraft certified in all categories

Unsafe Condition: Possible erroneous presentation of glide slope information due to incorrect +28V bias voltage connection into receptacle J1-b on Sperry HSI RD 044 or RD 444.

Why matched: Airworthiness Directives; SPERRY FLIGHT SYSTEMS, AVIONICS DIVISION: Applies to Flight Director Systems installed on aircraft certified in all categories