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Date:Thursday 10 October 1985
Type:Silhouette image of generic WW24 model; specific model in this crash may look slightly different
IAI 1124 Westwind
Registration: VH-IWJ
MSN: 371
First flight: 1982
Total airframe hrs:3105
Engines: 2 Garrett TFE731-3-1G
Crew:Fatalities: 2 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 2 / Occupants: 2
Aircraft damage: Damaged beyond repair
Location:13 km (8.1 mls) E off Sydney-Kingsford Smith International Airport, NSW (SYD) (   Australia)
Phase: En route (ENR)
Departure airport:Sydney-Kingsford Smith International Airport, NSW (SYD/YSSY), Australia
Destination airport:Brisbane-Eagle Farm Airport, QLD, Australia
Flightnumber: 474
Lost control in a turn at 5000 feet after takeoff from Sydney runway 16 at night; crashed into Botany Bay. The captain probably simulated a failure of all 3 flight attitude indicators while there was a known malfunction in the rate of turn indicator and no external references.

Probable Cause:

1. There was a known malfunction of the rate of turn indicator.
2. The pilot in command possibly simulated simultaneous failures of all three flight attitude indicators.
3. There were no external references by which the crew could assess the attitude of the aircraft.
4. A loss of control of the aircraft occurred at a height of about 5000 feet.
5. The crew did not recover control of the aircraft prior to impact with the sea.

Loss of control

» Aviation Week & Space Technology 15 June 1987 (p.357-376)


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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 Sydney-Kingsford Smith International Airport, NSW to Brisbane-Eagle Farm Airport, QLD as the crow flies is 751 km (469 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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