Accident
Last updated: 22 October 2014
Status:Definitief
Datum:woensdag 15 februari 1961
Tijd:09:05 UTC
Type:Silhouette image of generic B703 model; specific model in this crash may look slightly different
Boeing 707-329
Luchtvaartmaatschappij:Sabena
Registratie: OO-SJB
Constructienummer: 17624/92
Bouwjaar: 1959
Aantal vlieguren:3038
Motoren: 4 Pratt & Whitney JT4A
Bemanning:slachtoffers: 11 / inzittenden: 11
Passagiers:slachtoffers: 61 / inzittenden: 61
Totaal:slachtoffers: 72 / inzittenden: 72
Slachtoffers op de grond:slachtoffers: 1
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:3 km (1.9 mijl) NE of Brussel-Zaventem Airport (BRU) (   BelgiŽ) show on map
Fase: Nadering (APR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:New York-Idlewild International Airport, NY (IDL/KIDL), Verenigde Staten
Vliegveld van aankomst:Brussel-Zaventem Airport (BRU/EBBR), BelgiŽ
Vluchtnummer: 548
Beschrijving:
Sabena flight SN548 was a transatlantic service from New York to Brussels. The Boeing 707 was on a long approach to runway 20 when, near the runway threshold and at a height of 900 feet, power was increased and the gear retracted. The plane made three 360 degrees turns to the left and climbed to 1500 feet. During these turns the bank angle increased more and more until the aircraft was in a near vertical bank. The wings then leveled, followed by an abrupt pitch up. The 707 lost speed, started to spiral rapidly towards the ground nose down, crashed and caught fire.

PROBABLE CAUSE: "Having carried out all possible reasonable investigations, the Commission concluded that the cause of the accident had to be looked for in the material failure of the flying controls.
However, while it was possible to advance certain hypotheses regarding the possible causes, they could not be considered entirely satisfactory. Only the material failure of two systems could lead to a complete explanation, but left the way open to an arbitrary choice because there was not sufficient evidence to corroborate it."
The FAA commented that the most plausible hypothesis was a malfunction of the stabilizer adjusting mechanism permitting the stabilizer to run to the 10.5deg nose-up position.

Bronnen:
» ICAO Circular 69-AN/61 (43-58)


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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 New York-Idlewild International Airport, NY en Brussel-Zaventem Airport bedraagt 5845 km (3653 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkís 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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Boeing 707

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