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ASN Wikibase Occurrence # 326
Last updated: 26 April 2019
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Date:23-APR-2005
Time:10:30 EST
Type:Silhouette image of generic C150 model; specific model in this crash may look slightly different
Cessna A150L Aerobat
Owner/operator:Royal Victorian Aero Club
Registration: VH-UPS
C/n / msn: A150-0404
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Yarra Valley, 7 km S of Healesville, Victoria -   Australia
Phase: En route
Nature:Training
Departure airport:Coldstream, Victoria (YCEM)
Destination airport:Coldstream, Victoria (YCEM)
Investigating agency: ATSB
Narrative:
At about 09:45 Eastern Standard Time (EST) on Saturday 23 April 2005, a Cessna Aircraft Company A150L Aerobat aircraft, registered VH-UPS, departed Coldstream Airfield, Victoria, for a private flight in the Coldstream General Flying Training Area, with the pilot as the only occupant.

The aircraft was tracked by the Air Traffic Services radar after its departure from Coldstream Airfield. The radar track showed that the aircraft performed some aerial manoeuvres to the east of the airfield before a descending orbit into the Yarra Valley when radar contact was lost. At about that time, a passenger in a vehicle travelling along the Healesville-Koo Wee Rup Road observed the aircraft flying at low level. Shortly after, the aircraft was seen in a steep dive before they lost sight of it. The occupants of the vehicle located the wreckage of the aircraft in an open field about 1 km west of the Healesville-Koo Wee Rup Road, 7 Km south of Healesville, Victoria.

The aircraft was destroyed by impact forces and the pilot was fatally injured. The aircraft had impacted the ground in a left wing-low and nose-down attitude. The fuselage lay on its roof with the left wing wrapped over the cabin and the right wing in a near vertical position. The rear fuselage was bent downward and to the left. The tailplane had separated from the fuselage and the fin had broken away from its mounting brackets. There were no indications of a pre-existing defect in the structure.

The ATSB investigation found that it was likely that the pilot was performing a practice forced landing and had descended below the safe altitude when the accident occurred. The airspeed was reduced to a point that the aircraft stalled and the altitude was not sufficient to affect a recovery before impact with the ground. It is possible that carburettor ice was present during the descent.

Sources:

1. Eye witness to accident.
2. http://www.atsb.gov.au/publications/investigation_reports/2005/aair/aair200501788.aspx


Revision history:

Date/timeContributorUpdates
21-Jan-2008 10:00 ASN archive Added
10-Jun-2010 02:32 Petro Updated [Operator, Total fatalities, Total occupants, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative]
08-May-2014 01:42 Dr. John Smith Updated [Time, Cn, Location, Departure airport, Destination airport, Source, Narrative]

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