ASN Wikibase Occurrence # 344690
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| Date: | Monday 17 July 2023 |
| Time: | 12:06 UTC |
| Type: |  Robinson R44 Raven I |
| Owner/operator: | |
| Registration: | ZS-RTN |
| MSN: | 0873 |
| Year of manufacture: | 2000 |
| Total airframe hrs: | 8066 hours |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Plot 31, Wheatlands, Randfontein -
 South Africa
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Plot 31, Wheatlands, Randfontein |
| Plot 31, Wheatlands, Randfontein | |
| Investigating agency: | CAA S.A. |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, he conducted a pre-flight inspection with no anomalies noted. Thereafter,they boarded the helicopter with the three passengers to engage in a private flight in the area. The pilot initially conducted a hover to complete a power check After he was satisfied, he initiated a forward transition to continue with the flight, however, the helicopter experienced a low rotor revolutions per minute (RPM) and subsequently lost height. The helicopter contacted the ground hard with the left skid gear. It sustained damage to the left skid gear, main rotor blades, vertical tail fin.
No injuries were reported.
Probable Cause(s)
The helicopter experienced low RPM during transition due to operation in high pressure altitude.
Contributing Factor(s)
Inadequate or improper flight planning.
Failure to consider the effects of high-density altitude.
Accident investigation:
 |
|
Sources:
CAA S.A.
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Jan-2024 20:45 | harro | Updated [Time, Cn, Total occupants, Other fatalities, Location, Phase, Nature, Departure airport, Destination airport, Damage, Narrative, Accident report] |
| 20-Jan-2024 20:45 | harro | Updated [Other fatalities] |
Corrections or additions? ... Edit this accident description
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