Aviation safety investigations & reports

Glasflugel Mosquito, VH-GMN, Benalla VIC, 24 February 1989

Investigation number:
Status: Completed
Investigation completed


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The pilot was approaching to land after a soaring flight of about 90 minutes. When about 300 metres short of the threshold he realised that the aircraft was undershooting and he was conscious of a loss of airspeed. He closed the airbrakes and lowered the nose but said that he got very little response. He then pushed the nose down further to try to regain speed. By this stage he was very close to the airfield boundary. The left wing clipped a fence and the aircraft struck the ground and skidded to a halt. The wind at the time of the accident was reported as a 15 knot northerly with occasional gusts to 20 knots. There was some evidence of wind shear on final approach. The investigation established that two days prior to the accident the pilot carried out a check flight with an instructor in an IS28B glider. Prior to that flight he had only made two sailplane flights in the previous 10 months both being under the supervision of an instructor. Between the check flight and the accident flight the pilot made two local soaring flights each of about 90 minutes duration. Of his 915 hours total flying experience 70 were in gliders. This accident was not the subject of an on-scene investigation and the circumstances described above are based on the pilot's report.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 24 February 1989   Investigation status: Completed  
Time: 1550    
Location: Benalla    
State: Victoria    
Release date: 23 May 1989   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Glasflugel  
Aircraft model 303  
Aircraft registration VH-GMN  
Serial number 8  
Type of operation Gliding  
Damage to aircraft Substantial  
Departure point Benalla VIC  
Departure time 1420  
Destination Benalla VIC