Narrative:Power was reduced on the no. 4 engine during a takeoff from runway 32R. The Convair continued to yaw to the right until the no. 4 engine struck the runway. The aircraft slid off the runway and burst into flames.
Probable Cause:
PROBABLE CAUSE: "Delayed corrective action during a simulated critical-engine-out takeoff maneuver resulting in an excessive sideslip from which full recovery could not be effected."
Accident investigation:
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Investigating agency: | NTSB  |
Status: | Investigation completed |
Duration: | 1 years | Accident number: | NTSB/AAR-70-11 | Download report: | Final report
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Follow-up / safety actions
NTSB issued 1 Safety Recommendation
Issued: 01-JAN-1965 | To: | A-70-37 |
BASED ON THIS ACCIDENT AND OTHERS WHICH HAVE OCCURRED UNDER SIMILAR CIRCUMSTANCES, THE SAFETY BOARD RECOMMENDS TO THE ADMINISTRATOR OF THE FEDERAL AVIATION ADMINISTRATION, THAT THROUGH HIS AIR CARRIER INSPECTORS, ALL OPERATORS OF THE CONVAIR 880 AND SIMILAR TYPE AIRCRAFT BE ASKED TO TAKE THE FOLLOWING ACTIONS: (1) RE-EMPHASIZE TO THE PILOT PERSONNEL THE CHARACTERISTICS OF THESE AIRCRAFT DURING CRITICAL-ENGINE-OUT MANEUVERS; (2) ASSURE THAT FLIGHT INSTRUCTORS, TRAINEES, AND LINE PILOTS ARE WELL AWARE OF SAFE AND PROPER CRITICAL-ENGINE-OUT PROCEDURES, THE LIMITS OF SIDESLIP ANGLES, RUDDER AVAILABILITY, AND YAW LIMITS FOR VERTICAL STABILIZER STALL; AND (3) CAUTION ALL INSTRUCTOR PERSONNEL TO EMPHASIZE THAT THEY MUSTBE MOST CAREFUL TO AVOID ANY TENDENCY TO DELAY CORRECTIVE ACTIONS TOO LONG DURING CRITICAL TRAINING MANEUVERS EVEN THOUGH THE PURPOSE OF THE TRAINING FLIGHT IS TO CHECK THE ACTIONS OF TRAINEES WHO MUST HAVE AN OPPORTUNITY TO RESPOND PROPERLY. (Closed - Acceptable Action) |
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This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.