NTSB Identification: NYC88IA067.
The docket is stored on NTSB microfiche number 36923.
Nonscheduled 14 CFR
Incident occurred Wednesday, January 20, 1988 in TETERBORO, NJ
Probable Cause Approval Date: 01/25/1990
Aircraft: MITSUBISHI MU-2B-35, registration: N349MA
Injuries: 2 Uninjured.
NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.
THE MU-2 MADE A DEPARTURE AND WHILE CLIMBING THROUGH APPROXIMATELY 800 FT AGL, THERE WAS AN INADVERTENT AUTO-PILOT ENGAGEMENT. THE NOSE PITCHED DOWN AND RIGHT. BOTH PILOTS GOT ON THE CONTROLS AND CONTROL WAS MAINTAINED. A NORMAL LANDING WAS MADE AT THE POINT OF DEPARTURE. THE FLIGHT CREW DID NOT USE STANDARD AUTO-PILOT DISENGAGEMENT PROCEDURES.
The National Transportation Safety Board determines the probable cause(s) of this incident to be:AUTOPILOT..IMPROPER USE OF..COPILOT/SECOND PILOT
The National Transportation Safety Board determines the probable cause(s) of this incident to be:PROCEDURES/DIRECTIVES..NOT FOLLOWED..COPILOT/SECOND PILOT
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