Accident
Last updated: 1 September 2014
Status:Definitief
Datum:vrijdag 3 juli 1970
Tijd:ca 19:00
Type:de Havilland DH-106 Comet 4
Luchtvaartmaatschappij:Dan-Air Services
Registratie: G-APDN
Constructienummer: 6415
Bouwjaar: 1959
Aantal vlieguren:25786
Motoren: 4 Rolls-Royce Avon 524
Bemanning:slachtoffers: 7 / inzittenden: 7
Passagiers:slachtoffers: 105 / inzittenden: 105
Totaal:slachtoffers: 112 / inzittenden: 112
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:Sierra del Montseny (   Spanje) show on map
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale charter
Vliegveld van vertrek:Manchester International Airport (MAN/EGCC), Verenigd Koninkrijk
Vliegveld van aankomst:Barcelona Airport (BCN/LEBL), Spanje
Beschrijving:
Comet G-APDN departed Manchester at 16:08 for a charter flight to Barcelona. ATC delays in the Paris area resulted in a different route to be flown. At 17:53 the pilot contacted Barcelona ACC. The aircraft was then cleared to descend from FL220 to FL90. At 17:59 the flight switched to Barcelona Approach. Barcelona Approach cleared the crew direct to the Sabadell beacon and cleared them to descend to FL60. While carrying out a left turn to a heading of 140deg, as instructed by Barcelona Approach, the crew mistakenly reported passing the Sabadell NDB. At that time another aircraft overflew Sabadell, causing the error to go unnoticed by the controller. The controller then cleared the Comet to descend to 2800 feet. At approx. 18:05 the aircraft struck beech trees on the north-east slopes of the cloud-covered Les Angudes peak at an altitude of about 3800 feet and crashed.

PROBABLE CAUSE: "To sum up, it can be deduced that the combination of erroneous information regarding reporting points, together with the existence of a radar echo over Sabadell NDB (coinciding with the report from the aircraft of passing that reporting point), led both the aircraft and APP to believe, erroneously, that the aircraft was already over Sabadell; this was an involuntary error (on both sides: ATC and aircraft) which was physically impossible to correct when Air Traffic Control realised it."

Bronnen:
» Flight International 09.07.1970 (39)

Official accident investigation report
investigating agency: Air Accidents Investigation Branch (AAIB) - U.K.
report status: Final
report number: AAIB AAR 1/1972
report released:01-OCT-1971
duration of investigation:455 days (1 year 3 months)
download report: Dan Air Comet 4, G-APDN. Report on the accident which occurred in the Sierra del Montseny, in the Municipal District of Arbucias (Gerona), Spain, on 3 July 1970 (AAIB AAR 1/1972)
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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Manchester International Airport en Barcelona Airport bedraagt 1369 km (856 miles).

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DH-106 Comet

  • 24e ongeval
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