ASN Wikibase Occurrence # 244252
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| Date: | Friday 29 March 2019 |
| Time: | 14:30 UTC |
| Type: |  Piper PA-30 Twin Comanche |
| Owner/operator: | Johannesburg School of Flying |
| Registration: | ZS-ICB |
| MSN: | 30-1911 |
| Year of manufacture: | 1969 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Westonaria -
 South Africa
|
| Phase: | Take off |
| Nature: | Training |
| Departure airport: | Johannesburg/Germiston-Rand Airport (QRA/FAGM) |
| Hiltonia-Syferfontein Airport (FASY) | |
| Investigating agency: | CAA S.A. |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
On 29 March 2019, an instructor and a student pilot took off from the Rand Aerodrome (FAGM) to Syferfontein Aerodrome (FASY) with the intention to practise asymmetric circuits, and then return to FAGM. On arrival at FASY, the instructor demonstrated the first asymmetric circuit on Runway 31 (RWY 31). Thereafter, the student pilot took over control of the aircraft and followed a right-hand circuit pattern. On downwind, the instructor put the left engine on idle to simulate an engine failure; and the student pilot configured the aircraft for single engine operation while completing the circuit.
On final approach whilst the aircraft was 300 feet (ft) above ground level (AGL), the instructor gave power to the left engine and the student pilot touched down uneventfully.
After a successful touch down, the student pilot then applied full power to both engines for take-off, the aircraft accelerated to 80 knots (kts) before rotation. During rotation, the aircraft banked sharply to the right and the instructor took over control and feathered the right-side engine, but it did not respond as expected. The aircraft lost height and impacted the ground with the right-side wing before ground-looping and skidding, facing the opposite direction from which it had initially taken off. The aircraft came to a stop 120m from the edge of RWY 14. The crew sustained minor injuries and the aircraft was destroyed.
The investigation revealed that an incorrect throttle control cable end fitting was fitted to the aircraft’s right-side engine which separated on the third circuit as the student pilot applied full power. This caused the aircraft, while flying very low, to pull sharply to the right and to roll in the same direction before impacting the ground with the right wing. This resulted in the engine’s failure to develop power required for climb.
Accident investigation:
 |
|
Sources:
CAA S.A.
http://aerossurance.com/safety-management/pa30-unapproved-parts-crash/
History of this aircraft
Other occurrences involving this aircraft
| 7 June 1986 | ZS-ICB | Johannesburg School of Flying | 0 | near Harare |  |
sub |
Media:
The fitment of unapproved engine control parts was fundamental to an accident during training say the SA CAA. https://t.co/afFPXXBPqu #accident #aviationsafety #flightsafety #aviationmaintenance #airworthiness pic.twitter.com/YJzXuqgI3j
— Aerossurance (@Aerossurance) December 17, 2020
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Oct-2020 17:22 | harro | Updated [Phase, Category] |
| 17-Dec-2020 07:57 | Aerossurance | Updated [Source, Accident report] |
| 17-Dec-2020 08:09 | Aerossurance | Updated [Embed code, Accident report] |
Corrections or additions? ... Edit this accident description
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