South African Airways Flight 201

South African Airways Flight 201

Company type	Passenger flight
Industry	Aviation
Founded	8 April 1954 (date of accident)
Headquarters	South Africa
Key people	Captain William Mostert (pilot)
Products	Passenger air transport

Template:EngvarB Template:Infobox Airliner accident South African Airways Flight 201 (SA201), operated with a de Havilland Comet 1, departed at 18:32 UTC on 8 April 1954 from Ciampino Airport in Rome, Italy, heading to Cairo, Egypt, as the second segment of its journey from London, England to Johannesburg, South Africa. The flight ended in tragedy around 19:07 UTC when it crashed, resulting in no survivors. The aircraft, registered Template:Airreg ("Yoke Yoke"), was chartered by British Overseas Airways Corporation (BOAC) and crewed by seven South African personnel, carrying fourteen passengers.

Flight details and accident

Prior to Flight 201, Gerry Bull along with other BOAC engineers had inspected the aircraft. This team had previously conducted a preflight check on 10 January 1954 for BOAC Flight 781, another Comet that had suffered catastrophic mid-air breakup due to explosive decompression, killing all 35 occupants.

Flight 201 commenced its journey from London to Rome at 13:00 UTC on Wednesday, 7 April 1954, initiating the southbound route to Johannesburg. The plane reached Rome approximately two and a half hours later at 17:35 UTC. Upon arrival, maintenance personnel identified minor defects including a malfunctioning fuel gauge and thirty unsecured bolts on the left wing, causing a delay of about twenty-five hours before "Yoke Yoke" was cleared for departure to Cairo on the evening of Thursday, 8 April.

The aircraft lifted off for Cairo at 18:32 UTC under Captain William Mostert's command and quickly ascended toward its cruising altitude of 11,000 m (35,000 ft). At 18:37 UTC, the crew reported their position over the Ostia beacon while climbing through 2,100 m (7,000 ft). Weather conditions were favorable despite an overcast sky.

Further communications occurred at 18:49 UTC near Ponza, where the plane reported passing 3,500 m (11,600 ft), followed by another report at 18:57 UTC when passing alongside Naples. At approximately 19:07 UTC, during its climb, the aircraft contacted Cairo via long-range HF radio, providing an estimated arrival time of 21:02 UTC.

This transmission was the final contact from "Yoke Yoke" before it disintegrated at around 11,000 m (35,000 ft), resulting in total loss of life.

Subsequent attempts by air traffic control in both Cairo and Rome to re-establish communication failed, confirming that another Comet had been lost. Initial reports were leaked by a German radio station monitoring transmissions.

The New York Times reported:

Gerry Bull expressed difficulty comprehending how circumstances similar to those causing the earlier BOAC Flight 781 crash could have recurred with South African Airways Flight 201.

Search and recovery

Immediately following news of the crash, BOAC once more voluntarily suspended all Comet flights, replicating the action taken three months prior after the BOAC Flight 781 tragedy. Italian air-sea rescue units were alerted, initiating search operations at first light the following day. These efforts soon expanded to include the Royal Navy carrier HMS Eagle and the destroyer HMS Daring. Later that day, a BEA Ambassador aircraft reported spotting an oil slick along with debris and bodies floating on the sea surface. Due to the considerable depth of the Mediterranean at the crash site, a salvage operation was deemed unfeasible; however, discovering the cause of this BOAC incident was expected to clarify the circumstances surrounding the SA crash because of their striking similarities.

Official investigation

At the time of this accident, inquiries into the BOAC Flight 781 crash were ongoing, with initial theories suggesting a possible failure in the engine turbine. During the earlier grounding of all Comet aircraft, modifications—including Yoke Yoke—had been implemented, which appeared to negate this potential cause.

Following an exhaustive investigation spanning several years and led by Lionel Cohen, Baron Cohen, the Ministry of Transport and Civil Aviation published its official report on 1 February 1955. This document was titled Civil Aircraft Accident Report of the Court of Inquiry into the Accidents to Comet G-ALYP on 10 January 1954 and Comet G-ALYY on 8 April 1954.

The combined examination of both this accident and BOAC Flight 781 uncovered inherent design flaws by the manufacturer and issues related to metal fatigue. These factors ultimately led to explosive decompression, which was identified as the cause behind both crashes.

In popular culture

The story of Flight 201 was featured in "Ripped Apart," an episode from Season 6 (2007) of the Canadian television series Mayday. This program is known as Air Emergency and Air Disasters in the United States and as Air Crash Investigation in the United Kingdom and other countries. The episode focused on aviation incidents caused by failures in cabin pressurization or sudden explosive decompression, including coverage of BOAC Flight 781.

See also

• List of accidents and incidents involving commercial aircraft
• Compilation of significant decompression accidents and incidents
• List of structural failures and collapses
• Episodes of National Geographic's Seconds From Disaster

Further reading

• Air Disasters authored by Stanley Stewart – Arrow Books (UK), editions 1986/89 – ISBN 0-09-956200-6
• Civil Aircraft Accident Report from the Court of Inquiry concerning the Comet G-ALYP accident on 10 January 1953 and Comet G-ALYY accident on 8 April 1954, Ministry of Transport and Civil Aviation, London, 1955.

External links

• "1954: Comet jet crashes with 35 aboard," BBC (refer to second column)