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South African Airways Flight 228

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Passengers
  
116

Fatalities
  
123

Aircraft type
  
Boeing 707-344C

Number of deaths
  
123

Survivor
  
5

Crew
  
12

Survivors
  
5

Date
  
20 April 1968

Operator
  
South African Airways

Passenger count
  
116

South African Airways Flight 228 httpsuploadwikimediaorgwikipediacommonsthu

Site
  
5 kilometres (3.1 mi) east of Strijdom International Airport, Windhoek, South West Africa

Summary
  
Controlled flight into terrain

Similar
  
Pan Am Flight 217, Air France Flight 212, 1968 Kham Duc C‑130 shootdown, Braniff Flight 352, El Al Flight 253 attack

South African Airways Flight 228 was a scheduled flight from Jan Smuts International Airport in Johannesburg, South Africa to London Heathrow International Airport that flew into the ground soon after take-off after a scheduled stopover in Windhoek, South West Africa (present day Namibia). Five passengers survived while 123 people died. The subsequent investigation determined that the accident was attributable largely to pilot error; the manufacturer subsequently also recognised the lack of a ground proximity warning system in its aircraft. The accident is the deadliest aviation accident to date in Namibia.

Contents

History of the flight

South African Airways Flight 228 was a scheduled flight of the Boeing 707-300C Pretoria, registration ZS-EUW, on 20 April 1968 from Johannesburg to Heathrow via Windhoek, Luanda, Las Palmas and Frankfurt.

The first leg of the flight under Captain Eric Ray Smith from Johannesburg to JG Strijdom Airport, Windhoek, South West Africa was uneventful. An additional 46 passengers embarked in Windhoek, and some airfreight was unloaded and loaded. The aircraft was only 6 weeks old when it rolled for take-off from Windhoek on runway 08 at 18:49 GMT (20:49 local time). It was a dark, moonless night with few if any lights on the ground in the open desert east of the runway; the aircraft took off into what was described in the official report as a "black hole". The aircraft initially climbed to an altitude of 650 feet (200 m) above ground level, then levelled off after 30 seconds and started to descend.

Fifty seconds after take-off, it flew into the ground in flight configuration at a speed of approximately 271 knots (502 km/h). The four engines, which were the first parts of the aircraft to touch the ground, created four gouges in the soil before the rest of the aircraft also hit the ground and broke up. Two fires immediately broke out when fuel in the wings ignited. Although the crash site was only 5,327 metres (17,477 ft) from the end of the runway, emergency services took 40 minutes to reach the scene because of rugged terrain. Nine passengers who were seated in the forward section of the fuselage initially survived, but two died soon after the accident, and another two a few days later, leaving a final death toll of 123 passengers and crew.

Investigation

The investigation was complicated by the fact that the aircraft did not have a flight data recorder or cockpit voice recorder; the devices became mandatory from 1 January 1968, but the airline's inability to procure recorders meant that several SAA aircraft, including ZS-EUW, did not yet have the equipment fitted. Captain Smith had 4,608 flying hours on the Boeing 707, but only one hour on the new type 344C, which furthermore had been under instruction. The official investigation concluded that the aircraft and its four engines were in working order—primary fault lay with the captain and first officer, in that they "failed to maintain a safe airspeed and altitude and a positive climb by not observing flight instruments during take-off"; no blame was attributed to the third pilot, whose responsibility it was to monitor the radio, and who was unable to monitor the flight instruments from his position in the cockpit. Secondary factors that may have contributed to the accident included:

  • Loss of situational awareness
  • The crew had no visual reference in the dark, leading to spatial disorientation.
  • The crew used a flap retraction sequence from the 707-B series which removed flaps in larger increments than desirable for that stage of the flight, leading to a loss of lift at 600 feet (180 m) above ground level.
  • Temporary confusion on the part of the pilots when reading the vertical speed indicator, which was different from the A and B series of the aircraft to which they were accustomed.
  • The drum-type altimeter fitted to the aircraft, was notoriously difficult for pilots to read; the pilots may have misread their altitude by 1000 feet.
  • Flight deck distraction as the result of a bird strike or other minor occurrence.
  • After investigating this accident as well as a number of others that also involved controlled flight into terrain, the Federal Aviation Administration determined that a ground proximity warning system would have helped to avert some of the accidents. New regulations were therefore introduced from February 1972 requiring all turbojet aircraft to be fitted with the system.

    References

    South African Airways Flight 228 Wikipedia


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