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Accident
Last updated: 20 October 2017
Status:Definitief
Datum:dinsdag 28 mei 1963
Tijd:17:46
Type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-1049G Super Constellation
Luchtvaartmaatschappij:Standard Airways
Registratie: N189S
Constructienummer: 4541
Bouwjaar: 1954
Aantal vlieguren:19803
Bemanning:slachtoffers: 0 / inzittenden: 6
Passagiers:slachtoffers: 0 / inzittenden: 64
Totaal:slachtoffers: 0 / inzittenden: 70
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Manhattan Municipal, KS (   Verenigde Staten)
Fase: Nadering (APR)
Soort vlucht:Binnenlandse charter
Vliegveld van vertrek:Daggett-Barstow-Daggett Airport, CA (DAG/KDAG), Verenigde Staten
Vliegveld van aankomst:Manhattan Municipal Airport, KS (MHK/KMHK), Verenigde Staten
Vluchtnummer: 338C
Beschrijving:
The Super Constellation was approaching Manhattan runway 21 (VFR) with flaps at 100% and an airspeed of 120 knots. At a height of 170 feet agl the right wing dropped and the aircraft yawed right. Power was added to all four engines, but the plane didn't recover and struck the ground 546 feet short of the runway. The Constellation struck a 3,5 feet high ridge of earth, shearing off the nose- and right main gear legs.
It appeared that the no. 3 prop was in reverse pitch angle on impact; the threaded brake cage locking bolts were missing from the propeller and the cage was backed off 3 full threads from the normal setting. This excessive brake clearance thus obtained rendered the brake propeller control function incapable if normal operations.

Probable Cause:

PROBABLE CAUSE: "The in-flight reversal of the no. 3 propeller due to a propeller power unit malfunction, resulting from improper maintenance practices and inspection procedures."

Bronnen:
» CAB Accident Report File no. 1-0007
» ICAO Accident Digest No.15 - Volume I, Circular 78-AN/66 (93-100)


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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 Daggett-Barstow-Daggett Airport, CA en Manhattan Municipal Airport, KS bedraagt 1832 km (1145 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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