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Accident
Last updated: 15 December 2017
Status:Definitief
Datum:zondag 9 juli 1978
Tijd:17:30
Type:Silhouette image of generic BA11 model; specific model in this crash may look slightly different
BAC One-Eleven 203AE
Luchtvaartmaatschappij:Allegheny Airlines
Registratie: N1550
Constructienummer: 044
Bouwjaar: 1965
Aantal vlieguren:33693
Aantal vluchten:48215
Motoren: 2 Rolls-Royce Spey 506-14D
Bemanning:slachtoffers: 0 / inzittenden: 4
Passagiers:slachtoffers: 0 / inzittenden: 73
Totaal:slachtoffers: 0 / inzittenden: 77
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Rochester-Monroe County Airport, NY (ROC) (   Verenigde Staten)
Fase: Landing (LDG)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Boston-Logan International Airport, MA (BOS/KBOS), Verenigde Staten
Vliegveld van aankomst:Rochester-Monroe County Airport, NY (ROC/KROC), Verenigde Staten
Vluchtnummer: 453
Beschrijving:
The 1-11, on a precision approach to runway 28, passed over the threshold at 184 knots (61 knots above Vref!) and touched down nosewheel first, 2540 feet down the 5500 feet runway. The aircraft touched down at a speed of approx. 163 knots (40-45 knots above normal touchdown speed), overran the runway, crossed a drainage ditch and came to rest 728 feet past the end of the runway.

Probable Cause:

PROBABLE CAUSE: "The captain's lack of awareness of airspeed, vertical speed, and aircraft performance throughout an ILS approach and landing in visual meteorological conditions which resulted in his landing the aircraft at an excessively high speed and with insufficient runway remaining for stopping the aircraft, but with sufficient aircraft performance capability to reject the landing well after touchdown. Contributing to the accident was the first officer's failure to provide required callouts which might have alerted the captain to the airspeed and sink rate deviations. The Safety Board was unable to determine the reasons for the captain's lack of awareness or the first officer's failure to provide required callouts."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 214 days (7 months)
Accident number: NTSB/AAR-79-02
Download report: Final report

Bronnen:
» Flight International 10.01.1979 (718)
» NTSB-AAR-79-2


Veiligheidsmaatregelen

NTSB issued 1 Safety Recommendation

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Foto's

photo of BAC One-Eleven 203AE N1550
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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 Boston-Logan International Airport, MA en Rochester-Monroe County Airport, NY bedraagt 547 km (342 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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