981, the latching system was completely redesigned to prevent them from moving into the wrong position. The locking system was mechanically upgraded to prevent the handle from being forced into the closed position without the pins actually being in place, and the vent door was altered to be operated by the pins, thereby indicating that the pins themselves, rather than the handle, were in the locked position. Additionally, the FAA ordered further changes to all aircraft with outward-opening doors, including the DC-10, Lockheed L-1011, and Boeing 747. These changes included requiring vents be cut into the cabin floor to allow pressures to equalize in the event of a blown-out door, thus preventing a catastrophic collapse of the aircraft's cabin floor and other structures that could damage the control cables for the engine, rudder, and elevators. Turkish Airlines continued using the "Flight 981" designator but for a different flight, Ercan to Antalya as of February 2023. Similar accidents Aircraft other than DC-10s have also suffered catastrophic cargo hatch failures. The Boeing 747 has experienced several such incidents, the most noteworthy of which occurred on United Airlines Flight 811 in February 1989, when a cargo hatch failure caused a section of the fuselage to burst open, resulting in the deaths of nine passengers who were blown out of the aircraft. The NTSB's recommendations, issued following the earlier Flight 96 incident, were intended to reduce the risk of another hatch failure but were not implemented by any airline. As a result, the NTSB now communicates its recommendations for safety improvements directly to the FAA, which, though not obligated to take any subsequent action, may then issue Airworthiness Directives based on those recommendations. Dramatization The crash of Turkish Airlines Flight 981 was covered in 2008 in "Behind Closed Doors", a Season Five episode of the internationally syndicated Canadian TV documentary series Mayday, which also covers the similar 1972 incident on American Airlines Flight 96. Footage of the incident appeared in the film Days of Fury (1979), directed by Fred Warshofsky and hosted by Vincent Price. See also List of notable decompression accidents and incidents List of airliner crashes involving loss of control Aloha Airlines Flight 243 Japan Air Lines Flight 123 United Airlines Flight 811 American Airlines Flight 96, a flight that suffered the same type of cargo door failure on a DC-10. 1975 Tân Sơn Nhứt C-5 accident Note References Further reading Destination