Accident Robinson R44 Raven II ZS-RAT,
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ASN Wikibase Occurrence # 272757
 
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Date:Friday 10 March 2006
Time:
Type:Silhouette image of generic R44 model; specific model in this crash may look slightly different    
Robinson R44 Raven II
Owner/operator:
Registration: ZS-RAT
MSN: 10917
Year of manufacture:2005
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage:
Category:Accident
Location:100m from the Kloof Hospital, Pretoria -   South Africa
Phase:
Nature:
Departure airport:Kloof Hospital, Pretoria
Destination airport:Marken, Limpopo Province
Investigating agency: CAA S.A.
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot, accompanied by a passenger, took off from Rand Aerodrome (FAGM) on a private flight and landed on the helipad at Kloof Hospital, located in the East of Pretoria, to pick up a second passenger en route to Marken in the Limpopo Province. The helicopter was fuelled to capacity with 100 LL Avgas prior to their departure from Rand Aerodrome. An uneventful landing was achieved at the hospital helipad, which is located on top of the roof of the hospital. After uplifting a second passenger, and completing all standard take-off procedures, the pilot indicated that he had managed to establish an in ground effect (IGE) hover. According to the pilot, he then proceeded into forward flight. However, as the ground effect (roof structure) dissipated, the helicopter could not maintain altitude. The low main rotor RPM light and audio warning came on and the helicopter descended and crashed in a nose-down attitude between trees approximately 100m from the helipad, in close proximity to the hospital perimeter fence. All three occupants sustained injuries and were admitted to the Kloof Hospital. Probable Cause The pilot over-pitched the helicopter on take-off. It was not possible to sustain flight following a decay in main rotor rpm, and it crashed.

Accident investigation:
cover
  
Investigating agency: CAA S.A.
Report number: 
Status: Investigation completed
Duration:
Download report: Final report

Sources:

S.A. CAA

Revision history:

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