NTSB Identification: NYC86FNC07.
The docket is stored on NTSB microfiche number 35040.
Accident occurred Saturday, August 02, 1986 in NASHUA, NH
Probable Cause Approval Date: 04/25/1988
Aircraft: CESSNA 150M, registration: N66672
Injuries: 2 Serious.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE CFI HAD ALLOWED THE STUDENT TO MAKE THE TAKEOFF, WITNESS OBSERVED THE C150 FLYING ABOVE THE RWY AT APPROX 75 TO 100 FT WITH 20 DEGREE FLAPS. OTHER WITNESSES STATED THAT THE NOSE WAS OBSERVED TO PITCH UP THEN THE LEFT WING DROPPED AND THE ACFT WENT FROM SIGHT BEHIND A ROW OF HANGARS IMPACTING LEFT WING DOWN. BOTH OCCUPANTS REC'D SERIOUS INJURIES. CESSNA AIRCRAFT HAS NOT APPROVED THIS AIRCRAFT FOR TAKEOFF WITH THIS FLAP SETTING.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

STALL..INADVERTENT..DUAL STUDENT

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

REMEDIAL ACTION..DELAYED..PILOT IN COMMAND(CFI)

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PERFORMANCE DATA..DISREGARDED..PILOT IN COMMAND(CFI)

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRCRAFT HANDLING..IMPROPER..DUAL STUDENT

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LOWERING OF FLAPS..IMPROPER..PILOT IN COMMAND(CFI)

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

SUPERVISION..INADEQUATE..PILOT IN COMMAND(CFI)


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