ASN Wikibase Occurrence # 278750
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| Date: | Tuesday 3 May 2022 |
| Time: | 06:47 UTC |
| Type: |  Piper PA-25-235 Pawnee |
| Owner/operator: | Natal Aerial Spray |
| Registration: | ZS-AWX |
| MSN: | 25-2528 |
| Year of manufacture: | 1963 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Albert Falls Dam -
 South Africa
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Clan Airfield |
| Clan Airfield | |
| Investigating agency: | CAA S.A. |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Piper PA-25-235 aircraft took off on a crop-spraying operation from Clan Airfield in KwaZulu-Natal province to a private farm in Albert Falls.
The pilot stated that after completing the fifth swath line of spraying the crops at the farm and was on the climb to line up for the sixth swath line, he made a left turn to line up the aircraft at approximately 100 feet (ft) above ground level (AGL). At this time, the engine started to run rough, and the aircraft experienced abnormal vibrations. The pilot also noted that the aircraft’s engine had lost power. He then turned right towards an open field in the vicinity to perform a forced landing. During the (right) turn, he heard loud noises which sounded like spluttering emanating from the engine compartment. Therefore, he leaned the mixture and turned on the carburettor heat to remedy the situation, but this was in vain. However, the pilot successfully forced-landed the aircraft on the open field and continued to roll on the ground for approximately 60 metres (m) before the propeller blades impacted a perimeter fence and the aircraft flattened it when it rolled over to the other side of the fence. The aircraft ground-looped and impacted some bushes before it came to a stop. The pilot was not injured during the accident sequence; however the aircraft was substantially damaged.
Probable Cause/s and/or Contributory Factors
In-flight engine power loss as a result of the left magneto drive gear failure due to a worn out drive gear shaft which led to advanced engine timing and, hence, the subsequent forced landing.
Contributing Factor:
Improper maintenance.
Accident investigation:
 |
|
Sources:
NTSB
CAA
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Jun-2022 15:39 | Captain Adam | Added |
| 28-Sep-2022 09:39 | harro | Updated [Location, Nature, Source, Narrative] |
| 17-Jun-2023 19:37 | harro | Updated [[Location, Nature, Source, Narrative]] |
Corrections or additions? ... Edit this accident description
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