Vliegtuigongeval op 03 JUL 1970 met de Havilland DH-106 Comet 4 G-APDN - Sierra del Montseny
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Status:Accident investigation report completed and information captured
Datum:vrijdag 3 juli 1970
Tijd:19:05
Type:Silhouette image of generic COMT model; specific model in this crash may look slightly different
de Havilland DH-106 Comet 4
Luchtvaartmaatschappij:Dan-Air Services
Registratie: G-APDN
Constructienummer: 6415
Bouwjaar: 1959-09-29 (10 years 9 months)
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)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale charter
Vliegveld van vertrek:Manchester International Airport (MAN/EGCC), Verenigd Koninkrijk
Vliegveld van aankomst:Barcelona-El Prat Airport (BCN/LEBL), Spanje
Vluchtnummer:DA1903
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 UTC 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:

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."

Accident investigation:

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Investigating agency: AIB (U.K.)
Status: Investigation completed
Duration: 1 year and 3 months
Accident number: AAR 1/1972
Download report: Final report

Bronnen:
» Flight International 09 July 1970 (39)


Foto's

photo of DH-106-Comet-4-
photo of de-Havilland-DH-106-Comet-4-G-APDN
accident date: 03-07-1970
type: de Havilland DH-106 Comet 4
registration: G-APDN
 

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-El Prat Airport bedraagt 1369 km (856 miles).
Accident location: Exact; as reported in the official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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DH-106 Comet

  • 112 built
  • 23e ongeval
  • 12e dodelijk ongeval
  • The zwaarste ongeval
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  • The zwaarste ongeval (toen het plaatsvond)
  • 8e zwaarste ongeval (op dit moment)
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