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Accident
Last updated: 12 December 2017
Status:Schlussbericht
Datum:Dienstag 28 Mai 1963
Zeit:17:46
Flugzeugtyp:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-1049G Super Constellation
Fluggesellschaft:Standard Airways
Kennzeichen: N189S
Werknummer: 4541
Baujahr: 1954
Betriebsstunden:19803
Besatzung:Todesopfer: 0 / Insassen: 6
Fluggäste:Todesopfer: 0 / Insassen: 64
Gesamt:Todesopfer: 0 / Insassen: 70
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Manhattan Municipal, KS (   USA)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer außerplanmäßiger Passagierflug
Flug von:Daggett-Barstow-Daggett Airport, CA (DAG/KDAG), USA
Flug nach:Manhattan Municipal Airport, KS (MHK/KMHK), USA
Flugnummer: 338C
Unfallbericht:
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."

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


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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 Daggett-Barstow-Daggett Airport, CA to Manhattan Municipal Airport, KS as the crow flies is 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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