Accident
Last updated: 23 April 2014
Status:Schlussbericht
Datum:Mittwoch 14 Mai 1997
Zeit:16:28
Flugzeugtyp:Silhouette image of generic SF34 model; specific model in this crash may look slightly different
Saab 340B
Fluggesellschaft:Regional Lineas Aéreas
Kennzeichen: EC-GFM
Werknummer: 315
Baujahr: 1992
Betriebsstunden:7226
Anzahl Zyklen der Zelle:7216
Triebwerk: 2 General Electric CT7-9B
Besatzung:Todesopfer: 0 / Insassen: 3
Fluggäste:Todesopfer: 0 / Insassen: 34
Gesamt:Todesopfer: 0 / Insassen: 37
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Porto-Francisco sá Carneiro Airport (OPO) (   Portugal) show on map
Flugphase: Landung (LDG)
Betriebsart:Internationaler Linienflug
Flug von:Madrid-Barajas Airport (MAD/LEMD), Spanien
Flug nach:Porto-Francisco Sá Carneiro Airport (OPO/LPPR), Portugal
Flugnummer:1335
Unfallbericht:
Because of construction works on runway 35, the threshold at Porto was displaced by 760m, and which was also NOTAMed as such. Prior to departure from Madrid-Barajas Airport (MAD), Spain, the crew did not receive this NOTAM.
Flight RG1336 took off at 15:16. The flight was uneventful and the crew contacted Porto Approach at 16:14. The controller issued descent instructions in preparation for a landing on runway 35. The controller did not mention the displaced threshold. The flight was cleared to land at 16:25. Three minutes later the controller realized that the flight was approaching the closed part of the runway. He radioed "Overshoot please". But the flight crew did not react and continued their landing on runway 35.
The Saab undershot the displaced threshold, ran 200m and crossed a trench, which caused the undercarriage to be sheared off.


CAUSES (translated from original Portuguese report):
The Commission of Investigation determined that the probable causes for the accident were:
- The fact that the crew did not know of the NOTAM's published by Porto airport that reported the temporary threshold of runway 35, due to work on the runway.
- The existence of two markings on the runway 35 threshold, which may have confused the crew;
Contributory factors:
- Lack of concentration of the crew during the flight;
- The controller did not effectively alert the aircraft about the ongoing work;
- The controller, in a warning to the crew, used incorrect phraseology.

Informationsquelle:


Fotos

photo of Saab 340B EC-GFM
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Madrid-Barajas Airport to Porto-Francisco Sá Carneiro Airport as the crow flies is 435 km (272 miles).

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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