Aviation safety investigations & reports

Cessna A188/A1, VH-DGO, 17 km NNE Boort VIC, 29 November 1986

Investigation number:
Status: Completed
Investigation completed


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The pilot was spraying a crop with liquid fungicide. As he pulled up to clear trees during the third swath run, the fungicide evidently surged in the hopper, and a quantity escaped past the hopper-lid seal. It then splashed over the windscreen, severely restricting the pilot's forward vision. He elected to return to the strip to clean the screen and check the hopper seal. The strip length was about 1000 metres and the pilot did not consider it necessary to dump the remainder of the load. During the landing, which was made in light downwind conditions, the pilot experienced difficulty in seeing the strip. During the latter stages of the ground roll the aircraft began to veer to the right. Corrective action failed to redress the situation and the right wing struck the fence bordering the strip. The aircraft came to rest after sliding sideways into a ditch alongside the fence, some 315 metres from the point of touchdown. Investigation confirmed that the hopper-lid seal was defective, and had apparently been so for some time. Directional control had been lost during the landing roll shortly after the free-castoring tailwheel had settled onto the ground. The combination of restricted forward visibility, a downwind/crosswind component and the relatively heavy all up weight, had prevented the pilot from making a safe landing.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 29 November 1986   Investigation status: Completed  
Time: 0900    
Location: 17 km NNE Boort    
State: Victoria   Occurrence type: Loss of control  
Release date: 12 May 1987   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Cessna Aircraft Company  
Aircraft model 188  
Aircraft registration VH-DGO  
Type of operation Aerial Work  
Damage to aircraft Substantial  
Departure point 17 km NNE Boort VIC  
Departure time 855  
Destination 17 km NNE Boort VIC