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Safety Recommendation Details

Safety Recommendation A-73-010
Details
Synopsis: AT APPROXIMATELY 1110 EASTERN DAYLIGHT TIME ON AUGUST 14, 1972, A TURBO COMMANDER 690, N1NR, OWNED AND OPERATED BY NORTH AMERICAN ROCKWELL, INC., CRASHED IN THE VICINITY OF WELLSBURG, WEST VIRGINIA.THE TWO CREWMEMBERS AND THE SOLE PASSENGER WERE FATALLY INJURED. N1NR DEPARTED THE GREATER PITTSBURGH INTERNATIONAL AIRPORT, PITTSBURGH, PENNSYLVANIA, AT 1101 EASTERN DAYLIGHT TIME, ON A COMPANY-SCHEDULED TRAINING FLIGHT. THE FLIGHT REQUESTED AND REPORTED REACHING 12,500 FEET. AT APPROXIMATELY 1110 EASTERN DAYLIGHT TIME, GREATER PITTSBURGH DEPARTURE CONTROL REQUESTED LOSS OF RADAR AND RADIO CONTACT WITH THE AIRCRAFT. THE NATIONAL TRANSPORTATION SAFETY BOARD DETERMINES THAT THE PROBABLE CAUSE OF THIS ACCIDENT WAS THE LOSS OF AIRCRAFT CONTROL IN A STALL MANEUVER, FOR REASONS UNKNOWN, FROM WHICH RECOVERY WAS NOT ACCOMPLISHED.
Recommendation: DESCRIBE IN EACH AIRCRAFT FLIGHT MANUAL THE AIRCRAFT CHARACTERISTICS WHICH RESULT FROM "APPROACH TO STALLS" TO ASSURE THAT PILOTS WILL BE ABLE TO PERCEIVE THE END POINT OF THIS MANEUVER.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Unacceptable Action
Mode: Aviation
Location: Wellsburg, WV, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: NYC73AN026
Accident Reports: North American Rockwell, Inc., Turbo Commander 690, N1NR
Report #: AAR-73-05
Accident Date: 8/14/1972
Issue Date: 3/21/1973
Date Closed: 7/26/1973
Addressee(s) and Addressee Status: FAA (Closed - Unacceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 7/26/1973
Response: Closed--unacceptable action.

From: FAA
To: NTSB
Date: 5/25/1973
Response: A-73-10 THEY AGREE THAT AIRCRAFT FLIGHT MANUALS SHOULD CONTAIN INFORMATION ON STALL RECOVERY FOR ANY AIRPLANES FOR WHICH NORMAL RECOVERY TECHNIQUES DO NOT APPLY. PROVISIONS TO ACCOMPLISH THIS ARE CONTAINED IN APPLICABLE REGULATION AND GUIDANCE MATERIAL. WITH SPECIFIC REGARD TO THE TURBO COMMANDER 690, THEY PLAN TO AUDIT THE STALL CHARACTERISTICS UNDER THE PROVISIONS OF FAR, SECTION 21.249, TO DETERMINE WHETHER THIS AIRPLANE MEETS THE STALL CHARACTERISTICS REQUIREMENTS. THEY WILL ADVISE THE BOARD OF THE RESULTS OF THESE TESTS.