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Accident
Last updated: 17 October 2017
Status:Definitief
Datum:woensdag 22 juni 1983
Tijd:08:58
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47A-10-DK Dakota 3
Luchtvaartmaatschappij:Skycraft Air Transport
Registratie: C-GUBT
Constructienummer: 12424
Bouwjaar: 1944
Motoren: 2 Wright R-1820-92
Bemanning:slachtoffers: 2 / inzittenden: 2
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 2 / inzittenden: 2
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Toronto International Airport, ON (YYZ) (   Canada)
Fase: Nadering (APR)
Soort vlucht:Vracht
Vliegveld van vertrek:Cleveland-Hopkins International Airport, OH (CLE/KCLE), Verenigde Staten
Vliegveld van aankomst:Toronto International Airport, ON (YYZ/CYYZ), Canada
Vluchtnummer: 505
Beschrijving:
A Douglas C-47A cargo plane was destroyed when it crashed while in final approach to Toronto International Airport, ON (YYZ), Canada. Both pilots were killed.
Skycraft Air Transport Flight 505 operated on a cargo flight from Cleveland-Hopkins International Airport, OH (CLE), USA. It was loaded with 6 wire mesh baskets, each almost filled with automobile roof bows. On completion of the loading, the crew chief stated he asked the flight crew if they wished the load tied down. They responded by saying they would take care of it.
Flight 505 departed Cleveland at 07:45, on a VFR flight plan. The Toronto terminal controller gave a few small heading changes to direct the flight to the instrument landing system (ILS) localizer for an almost straight-in approach to runway 06R, then transferred it to the arrival controller, who continued vectoring the aircraft.
During the approach, the arrival controller twice requested Flight 505 to maintain its best speed for spacing from other aircraft. The crew initially reported they were flying their maximum speed, and later indicated they were at their best speed as the aircraft was fairly heavy. Flight 505 called the tower over the outer marker and was cleared to land.
After crossing the threshold 100 to 150 ft above the runway, the nose of the aircraft smoothly rose 5 to 10 deg. The nose then dropped an almost equal number of degrees, as if a correction had been made for the nose high attitude. This up, then down pitch movement was quickly followed by two pitch oscillations of increasing speed and magnitude. On the fourth oscillation, the nose continued to rise 45 to 60 deg. and the aircraft started to climb. The engine noise seemed to increase as the aircraft pitched up for the last time. At approximately 200 ft, as the aircraft reached the apex of its climb, the left wing dropped and the aircraft yawed to the left approximately 90 degrees. The wings levelled, then the aircraft fell into the field to the right side of the runway. The time between the beginning of the first oscillation and the impact with the ground is estimated to have been approximately 10 seconds.
On impact the right main gear ruptured a fuel tank and a post-impact fuel fire ensued.

Probable Cause:

PROBABLE CAUSE:"The aircraft's weight and centre of gravity limits were exceeded, and the cargo was not secured. These factors led to loss of control of the aircraft."

Bronnen:
» CASB Final Report


Veiligheidsmaatregelen

CASB issued 2 Safety Recommendations

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Foto's

photo of Douglas C-47A-DK C-GUBT
photo of Douglas C-47A-10-DK Dakota 3 C-GUBT
C-GUBT was sold to Skycraft in 1979.
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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 Cleveland-Hopkins International Airport, OH en Toronto International Airport, ON bedraagt 308 km (193 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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