Incident Overview
Date: Saturday 2 April 1983
Aircraft Type: de Havilland Canada DHC-6 Twin Otter
Owner/operator: David Boatman
Registration Number: N927BA
Location: Mckinney, TX –
ÿ United States of America
Phase of Flight: Standing
Casualties: Fatalities: / Occupants: 5
Component Affected: The left propeller.The left propeller.
Investigating Agency: NTSBNTSB
Category: Accident
Three observers accompanied the flight crew and passengers on a flight to transport divers to a high altitude. Prior to the flight, all observers were briefed not to exit the aircraft until the engines were secured. Following the flight, one observer discussed the need to move a Cessna 172 at the completion of the flight. The crew stopped the plane on the ramp. While the engines were running, the occupant who wanted to move the Cessna exited the aircraft. The other two occupants also exited the aircraft. One of them walked into the propeller arc and sustained a fatal head injury.Three observers accompanied the flight crew and passengers on a flight to transport divers to a high altitude. Prior to the flight, all observers were briefed not to exit the aircraft until the engines were secured. Following the flight, one observer discussed the need to move a Cessna 172 at the completion of the flight. The crew stopped the plane on the ramp. While the engines were running, the occupant who wanted to move the Cessna exited the aircraft. The other two occupants also exited the aircraft. One of them walked into the propeller arc and sustained a fatal head injury.
Description
THREE OBSERVERS ACCOMPANIED THE AIRCREW & OTHER PASSENGERS ON A FLT TO TRANSPORT SKYDIVERS ALOFT. PRIOR TO THE FLT, ALL 3 OF THE OBSERVERS WERE BRIEFED NOT TO EXIT THE ACFT UNTIL THE ENGINES WERE SECURED. HOWEVER, 1 OF THE 3 DISCUSSED THE NEED TO MOVE A CESSNA 172 AT THE COMPLETION OF THE FLT. AFTER RETURNING FROM THE FLT, THE AIRCREW STOPPED THE PLANE ON THE RAMP. WHILE THE ENGINES WERE STILL RUNNING, THE OCCUPANT THAT WANTED TO MOVE THE CESSNA EXITED THE ACFT. UNBEKNOWN TO HIM & THE PLT, THE OTHER 2 OCCUPANTS ALSO EXITED THE ACFT. ONE OF THEM WALKED INTO THE ARC OF THE LEFT PROPELLER & RECEIVED A FATAL HEAD INJURY. Probable Cause:
Primary Cause
Possible mechanical failure or malfunction of the aircraft’s controls or systems, potentially leading to a sudden loss of control or a rapid deceleration.Possible mechanical failure or malfunction of the aircraft’s controls or systems, potentially leading to a sudden loss of control or a rapid deceleration.Share on:
