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The pilot was preparing to depart with a crosswind of about 15 knots from the right. At the time, the aircraft left wing fuel tank was about two thirds full, while the right tank was empty. The pilot performed a flapless take-off, rotating the aircraft at 50 knots, then climbed using a higher than normal nose attitude. Shortly afterwards the aircraft commenced to roll to the left, probably because of the low airspeed, and the lateral weight imbalance. The pilot attempted to raise the left wing by use of the aileron, but the aircraft stalled and struck the ground in a left wing low, 20 degree nose down attitude. The aircraft was still undergoing flight testing for type certification and its Certificate of Airworthiness. Data obtained from the test flight schedule indicated that the normal lift-off speed for this aircraft is 63 - 65 knots, with a 48 knot stalling speed in the zero flap configuration. The pilot indicated that he had lifted the aircraft into the air at 50 knots on previous occasions, but this would have been done under more ideal conditions. The reason he attempted to take off below the recommended airspeed was on this occasion not determined. This accident was not the subject of an on-site investigation.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 23 December 1988 Investigation status: Completed 
Time: N/A Investigation type: Occurrence Investigation 
Location:Ballina Airport Occurrence type:Loss of control 
State: New South Wales Occurrence class: Operational 
Release date: 23 March 1990 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Neico Aviation Inc 
Aircraft model: Lancair 235 
Aircraft registration: VH-HTD 
Serial number: N149 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:Ballina NSW
Departure time:1105
Destination:N/K
 
 
 
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Last update 15 March 2016