Accident
Last updated: 23 December 2014
Status:Definitief
Datum:zaterdag 19 november 1977
Tijd:21:35
Type:Silhouette image of generic B722 model; specific model in this crash may look slightly different
Boeing 727-282
Luchtvaartmaatschappij:TAP Air Portugal
Registratie: CS-TBR
Constructienummer: 20972/1096
Bouwjaar: 1975-01-07 (2 years 11 months)
Aantal vlieguren:6154
Aantal vluchten:5204
Motoren: 3 Pratt & Whitney JT8D-17
Bemanning:slachtoffers: 6 / inzittenden: 8
Passagiers:slachtoffers: 125 / inzittenden: 156
Totaal:slachtoffers: 131 / inzittenden: 164
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:Funchal Airport (FNC) (   Portugal) show on map
Fase: Landing (LDG)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Lisboa-Portela de Sacavém Airport (LIS/LPPT), Portugal
Vliegveld van aankomst:Funchal Airport (FNC/LPFU), Portugal
Vluchtnummer: 425
Beschrijving:
TAP Flight 425 was a regular service from Brussels (BRU) to Funchal (FNC), Madeira with an en route stop at Lisbon (LIS). Weather conditions at Madeira were poor. It was raining and a 6/8 cumulus overcast at 1500 feet with a visibility of 3000m made for a challenging approach.
The first NDB approach to runway 24 was discontinued at the 'MAD' NDB because the crew hadn't established visual contact with the runway. Heavy rainshowers were reported, but the flight crew reported seeing the runway lights when over the 'MAD' NDB for the second time. The aircraft touched down 2000 feet past the threshold with just 3000 feet runway length remaining. Thrust reversers were deployed and spoilers extended, but the 727 aquaplaned slightly and could not be stopped on the runway. The Boeing overran and plunged over a steep bank. It struck a stone bridge, shearing off the right wing. It then crashed almost vertically on to a beach about 130 feet below the level of the airport, bursting in flames.


CAUSA PROVÁVEL:
"A Comissão de Inquérito determinou como causa provável do acidente a impossibilidade de desacelerar a aeronave até à paragem no comprimento da pista, devido, provavelmente, aos seguintes factores:
- Condições meteorológicas muito desfavoráveis no momento da aterragem;
- Existência possível de condições para hidroplanagem;
- Velocidade de aterragem de Vref + 19 nós;
- Aterragem comprida motivada por um longo "flare";
- Correcção direccional brusca após o toque na pista."



PROBABLE CAUSE: (translated from Portuguese:
The Commission of Inquiry established as a probable cause of the accident the impossibility to decelerate the aircraft and to stop in the length of the runway due to, probably, the following factors:
- Very bad weather conditions at the time of landing;
- Possible existence of conditions for hydroplaning;
- Landing at a speed of Vref + 19 knots;
- Landing long with a long "flare";
- Sudden directional correction after touch down on the runway.

Bronnen:
» Air Disasters / D.Gero
» Flight International 21.01.1978 (162)
» Flight International 26.11.1977 (1564)

Official accident investigation report
investigating agency: Direcção-Geral da Aviação Civil (DGAC) - Portugal
report status: Final
report number:
download report: Transportes Aéreos Portugueses Boeing 727-282 – CS-TBR Aeroporto de Santa Catarina Ilha da Madeira Portugal (DGAC Portugal )
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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 Lisboa-Portela de Sacavém Airport en Funchal Airport bedraagt 959 km (599 miles).

languages: English Français Nederlands Deutsch Espanol

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Boeing 727

  • 28e ongeval
  • 1832 built
  • 4e zwaarste ongeval (toen het plaatsvond)
  • 15e zwaarste ongeval (op dit moment)
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 Portugal
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  • 2e zwaarste ongeval (op dit moment)
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