Flugunfall 04 JUL 1966 einer Douglas DC-8-52 ZK-NZB - Auckland International Airport (AKL)
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Status:Accident investigation report completed and information captured
Datum:Montag 4 Juli 1966
Flugzeugtyp:Silhouette image of generic DC85 model; specific model in this crash may look slightly different
Douglas DC-8-52
Fluggesellschaft:Air New Zealand
Kennzeichen: ZK-NZB
Werknummer: 45751/231
Baujahr: 1965
Triebwerk: 4 Pratt & Whitney JT3D-3B
Besatzung:Todesopfer: 2 / Insassen: 5
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 2 / Insassen: 5
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Auckland International Airport (AKL) (   Neuseeland)
Flugphase: Start (TOF)
Flug von:Auckland International Airport (AKL/NZAA), Neuseeland
Flug nach:Auckland International Airport (AKL/NZAA), Neuseeland
At 15:50 the engines of DC-8 ZK-NZB were started in preparation for a routine crew training flight within the Auckland terminal zone, which was scheduled to last two hours. The aircraft taxied to runway 23 for departure. At 15:59 the flight was cleared for takeoff when ready. The aircraft made an apparently normal takeoff roll. Rotation appeared more rapidly achieved and steeper than usual and the aircraft’s tail passed unusually close to the runway surface. Almost immediately, the starboard wing dropped and the aircraft began turning to starboard while still in a nose-up attitude. The aircraft lost height by sideslipping inward and the starboard wing tip then struck a grassed area close to the edge of the runway. The aircraft pivoted about its nose at a fuselage-to-ground angle of about 50 degrees. Fire broke out in the vicinity of the starboard wing root and the aircraft rapidly began to disintegrate. Following nose impact, the entire flight deck section broke loose and eventually came to rest inverted.

Probable Cause:

PROBABLE CAUSE: "The incurrance of reverse thrust during simulated failure of no. 4 engine on takeoff. That condition arose when very rapid rearward movement of the power level generated an inertia force which caused the associated thrust brake lever to rise and enter the reverse idle detent. After lift-off, the minimum control speed essentially required to overcome the prevailing state of thrust imbalance was never attained and an uncontrollable roll, accompanied by some degree of yaw and sideslip in the same direction, ensued. When the condition of reverse thrust was recognised and eliminated, insufficient time and height were available to allow the aircraft to recover from its precarious attitude before it struck the ground."

» Aircraft Accident Report No. 1647 Douglas DC-8-52 : ZK-NZB Auckland International Airport 4 July 1966
» ICAO Aircraft Accident Digest No.16 - Volume II, Circular 82-AN/69 (68-72)


DCA NZ issued 2 Safety Recommendations

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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 Auckland International Airport to Auckland International Airport as the crow flies is 19960 km (12475 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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