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Analysis

Summary

At the time of the occurrence, the wind direction and speed at Canberra aerodrome was 280 degrees T at 18 kts, with gusts exceeding 20 kts at times. The wind direction was therefore 80 degrees removed from the runway direction, providing a left crosswind of about 18 knots.

It is probable that the prevailing wind conditions at the time of the occurrence resulted in turbulent downwind wake eddies from the hangar located adjacent to, and to the west of, the touchdown zone of runway 35.

The downwind convergence of those turbulent wake eddies was probably in the vicinity of the touchdown zone of runway 35, and was likely to have been the source of the turbulence encountered during the landing flare.

 
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