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The pilot had been practising circuits and landings in light and variable wind conditions using the 170 degree grass strip. He made an approach for a practice short field landing with full flaps selected at an approach speed of 38 knots (stall speed in that configuration is 25 knots). The pilot said that as he approached the ground the rate of descent was high so he let the airspeed increase to 40 knots to initiate the flare. Rate of descent was still too high so he applied power. The aircraft landed in the three point attitude. The pilot described the landing as heavier than he would have liked. The aircraft did not bounce but ran straight and then started to sag on the right side. The right main gear diagonal brace had broken and the remainder of the structure gradually bent under the weight of the aircraft. The pilot steered the aircraft off the grass to the right and stopped. The broken diagonal brace was inspected and was found to have failed due to overload. The pilot advised that the main landing gear bungees were not the normal ones used on the Auster. They were in fact of a type that is fitted to the Piper Pawnee. The reason for this was that the correct ones for the Auster were not available at one stage so it was common practice to use the type fitted to the Pawnee. The effect was that the main landing gear was much stiffer. This was considered a possible factor in the failure of the diagonal brace. It was also determined that the pilot had not made any short field landings for some time. It was for that reason that he decided to practice a short field landing. This accident was not the subject of an on-scene investigation.

Download Final Report
[ Download PDF: 23KB]
 
 
 
 
General details
Date: 04 December 1988 Investigation status: Completed 
Time: 1215 Investigation type: Occurrence Investigation 
Location:Point Cook Occurrence type:Hard landing 
State: Victoria Occurrence class: Operational 
Release date: 28 February 1989 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Auster Aircraft Ltd 
Aircraft model: III 
Aircraft registration: VH-BCG 
Serial number: A11-40 
Type of operation: Private 
Damage to aircraft: Substantial 
Departure point:Point Cook VIC
Departure time:N/A
Destination:Point Cook VIC
 
 
 
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