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Robinson R44 Raven II Accident at Crystal Beds, Drakensberg (ZS-RYR)

Crystal Beds, Drakensberg, ZA

On April 19, 2008, a Robinson R44 Raven II (registration ZS-RYR) was involved in an aviation accident near Crystal Beds, Drakensberg, ZA. No fatalities were reported. Investigators recorded the probable cause as: The pilot over-pitched the helicopter on takeoff and it was not possible to sustain flight following a decay in rotor RPM. The out-of-ground effect (OGE) performance graph indicated that the aircraft’s weight exceeded the OGE calculated limit by 126 lbs. This summary draws on records from the South African Civil Aviation Authority (SACAA) Accident and Incident Investigations Division.

Sourcesthe South African Civil Aviation Authority (SACAA) Accident and Incident Investigations DivisionPrimary reportUpdated 2026-10-18Data APIEditorial standards

On 19 April 2008, a Robinson R44 Raven II (ZS-RYR) struck the ground during takeoff at Crystal Beds, Drakensberg. The helicopter was over the out-of-ground effect weight limit, and no injuries were reported.

Flight Details and Accident Sequence On 19 April 2008, a Robinson R44 Raven II helicopter, registration ZS-RYR, operated by Westline Aviation CC, was conducting a commercial scenic charter flight. The aircraft departed from Dragon Peaks Park in KwaZulu-Natal at 0900Z with the pilot and two passengers on board. The helicopter landed at the normal landing spot at Crystal Beds in the Drakensberg, located at an elevation of 6,620 feet above mean sea level. After picking up a third passenger from another helicopter, the pilot initiated a takeoff into a northerly wind at approximately 0945Z. During the takeoff, the low rotor warning sounded. The pilot lowered the collective to attempt to regain rotor RPM, which caused the helicopter to drop. Because the ground sloped away in the direction of the takeoff, the helicopter's height over the ground remained approximately the same. As the aircraft had not yet transitioned, it descended. The pilot pulled the power to stop the descent, which caused a further decay in rotor RPM, and applied aft cyclic to slow forward speed. The helicopter struck the ground fairly hard, swung through 180 degrees, and slid for approximately one meter before coming to rest facing the direction of the flight path. No injuries were sustained by the four occupants on board.

Probable cause

The pilot over-pitched the helicopter on takeoff and it was not possible to sustain flight following a decay in rotor RPM. The out-of-ground effect (OGE) performance graph indicated that the aircraft’s weight exceeded the OGE calculated limit by 126 lbs.
Loss of control in flight

Frequently asked questions

What happened in the 19 Apr 2008 Robinson R44 Raven II accident near Crystal Beds, Drakensberg, ZA?

On 19 April 2008, a Robinson R44 Raven II (ZS-RYR) struck the ground during takeoff at Crystal Beds, Drakensberg. The helicopter was over the out-of-ground effect weight limit, and no injuries were reported.

Were there any fatalities in the 19 Apr 2008 Robinson R44 Raven II accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 19 Apr 2008 involved a Robinson R44 Raven II, registration ZS-RYR, at Crystal Beds, Drakensberg, ZA.

What was the probable cause of the accident?

The pilot over-pitched the helicopter on takeoff and it was not possible to sustain flight following a decay in rotor RPM. The out-of-ground effect (OGE) performance graph indicated that the aircraft’s weight exceeded the OGE calculated limit by 126 lbs.

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