• Source: Dan-Air Flight 1008

Dan-Air Flight 1008 was a fatal accident involving a Boeing 727-46 jet aircraft operated by Dan Air Services Limited on an unscheduled international passenger service from Manchester to Tenerife. The accident occurred on 25 April 1980 in a forest on Tenerife's Mount La Esperanza when the aircraft's flight deck crew wrongly executed an unpublished holding pattern in an area of very high ground; it resulted in the aircraft's destruction and the deaths of all 146 on board (138 passengers and eight crew).: 4  Flight 1008 was Dan-Air's second major accident in ten years and the worst accident involving the deaths of fare-paying passengers in the airline's entire history.




Background






= Aircraft

=
The aircraft involved was a Boeing 727-46 that was registered as G-BDAN with serial number 19279 and line number 288. that had its first flight in 1966. The aircraft logged 30622 airframe hours and was powered by three Pratt & Whitney JT8D-7 engines. Dan-Air acquired the aircraft in August 1974.




= Crew

=
In command was 50-year-old Captain Arthur John Whelan, who had flown to Tenerife North Airport 58 times previously. He had logged 15,299 flight hours, including 1,912 hours on the Boeing 727. The first officer was 33-year-old Michael John Firth, who had flown to Tenerife North Airport nine times previously. He had logged 3,492 flight hours, including 1,618 hours on the Boeing 727. The flight engineer was 33-year-old Raymond John Carey, who had never flown to Tenerife North Airport before. He had logged 3,340 hours, though his experience on the Boeing 727 is not stated in the report.: 8-10 




Flight history


Flight 1008 was a charter flight from Manchester Airport, United Kingdom, to Tenerife North Airport, Canary Islands, Spain. The flight was flying closely behind a slower Iberian Turboprop. The flight was 14 nmi (26 km; 16 mi) from VOR/DME beacon 'TFN' when it was cleared onward to radio beacon 'FP' for an approach to runway 12 after it had reached 'TFN'. Initially at flight level (FL) 110 (about 11,000 ft (3,400 m)), Dan-Air 1008 was then cleared to descend to FL 60 (about 6,000 ft (1,800 m)). The crew reported overhead 'TFN' and was requested to join a nonstandard holding pattern over the 'FP' beacon. This holding pattern was not a published procedure and the crew did not have a chart for it, but the instruction was accepted. In fact, the aircraft did not pass over 'FP', but instead flew to the south of the beacon and called "entering the hold". About a minute later, they were cleared to descend to 5,000 ft (1,500 m).
Although the pilot in command had said he was entering the hold according to the Spanish air traffic controller's instructions, he actually turned the aircraft to the left towards the southeast into an area of high ground, where the minimum safe altitude was 14,500 ft (4,400 m). When during the aircraft's descent towards 5,000 ft (1,500 m) the ground proximity warning system (GPWS) activated, the crew reacted quickly and initiated a climb. With the engines at full power, the aircraft entered a steep turn to the right and struck Mount La Esperanza at 13:21:15 local time. The aircraft was flying in cloud when it struck the mountain.: 1  The impact resulted in the aircraft's complete disintegration, killing everyone on board and leaving a debris trail 350 m (1,150 ft) long.: 13–15 




Accident investigation and cause


The official (Spanish) investigation concluded that the cause of the accident was that the pilot in command, without taking account of the altitude at which he was flying, took the aircraft into an area of high terrain and thereby failed to maintain a safe height above the terrain. A British addendum to the report found that tardy and ambiguous directions from air traffic control regarding the unpublished hold directly contributed to the disorientation of the aircraft commander.: 4 : 30  The addendum also found that the unpublished track onto which the aircraft was directed required tight turns to be flown. These were practically unflyable, making entry into the region of high ground inevitable for an aircraft flying this track, even without the navigational errors made by Dan-Air 1008.: 31  Further, the addendum found that the directed altitude of 5,000 ft (1,500 m) was inadequate for this holding pattern, and that the minimum altitude for entry into the holding pattern should have been 8,000 ft (2,400 m) (with a minimum altitude of 7,000 feet (2,100 m) for the pattern itself), had a minimum safe altitude calculation been performed ahead of time by a competent authority. The addendum concluded that the accident would not have occurred if the aircraft had not been cleared below 7,000 ft (2,100 m).: 30 




Memorial in Southern Cemetery, Manchester



A memorial in Southern Cemetery, Manchester commemorates the victims of the disaster, whose names are inscribed on a series of slate tablets within a small grassed enclosure. Also, a garden of remembrance exists aside of All Saints Church in Taoro Parque (Puerto de la Cruz, Tenerife), as passengers of the descended flight were members of the Anglican Parish there.




In popular culture


The crash of Flight 1008 was the subject of an episode of the BBC's Panorama current affairs programme that was aired in July 1981.




See also


Air China Flight 129
Air Inter Flight 148
Flydubai Flight 981
Garuda Indonesia Flight 152
Martinair Flight 138
Thai Airways International Flight 311
Korean Air Flight 801
Tenerife airport disaster




Notes






References


UK CAA Document CAA 429 World Airline Accident Summary
Final Report – Spanish Civil Aviation Accident Commission
English translation hosted by the UK Air Accidents Investigation Branch: Report No.8/1981 Report on the accident to Boeing 727, G-BDAN on Tenerife, Canary Islands, 25 April 1980 (Archive).
Appendices of English version (Archive)
Original Spanish version available on request from the Civil Aviation Accident and Incident Investigation Commission




Further reading


The Spirit of Dan-Air, Simons, G.M., GMS Enterprises, Peterborough, 1993
Kompass – Winter 1974/75 Edition, Dan Air Services Ltd, West Berlin, 1974 (in German)
Berlin Airport Company — Report on Dan-Air's Berlin operation, July 1975 Monthly Timetable Booklet for Berlin Tempelhof and Berlin Tegel Airports, Berlin Airport Company, West Berlin, 1975 (in German)
In Flight – Silver Jubilee Anniversary Edition, Dan Air Services Ltd, London, 1978
Airliner Classics (Dan-Air – Popular British Charter operator: The Boeing 727), Key Publishing, Stamford, UK, November 2011




External links



Aviation Safety Network
Airline Profile: Number Forty-Three in the Series – Dan-Air, Flight International, 31 May 1973, pp. 836/7
Airline Profile: Number Forty-Three in the Series – Dan-Air, Flight International, 31 May 1973, p. 839
Dan-Air: cautious optimism, Air Transport, Flight International, 31 October 1974, p. 589
Dan-Air Boeing 727-46 G-BDAN at Manchester Airport on 5 April 1980 (photo)

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