# NTSB DCA09WA078: Robinson R44, Annerdale, South Africa, September 25, 2009

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Foreign investigation
- Date: September 25, 2009, 21:00 local (21:00 UTC)
- Place: Annerdale, South Africa
- Coordinates: -26.2425, 28.151111 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=-26.2425&lon=28.1511&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-cruise: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Led by another country's authority
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 75232
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA09WA078
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/75232/pdf
- Page: https://openairdocs.org/ntsb/DCA09WA078

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute-cruise: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340) (defining event); cases with it: [All aircraft, 821 cases](https://openairdocs.org/ntsb-events/340/sequence.md)
- [Autorotation: Hard landing](https://openairdocs.org/ntsb-events/092); cases with it: [All aircraft, 2,102 cases](https://openairdocs.org/ntsb-events/092/sequence.md)

## Factual narrative

On September 25, 2009, about 2100 UTC, ZS-RMN, a Robinson R44, operated by National Airways Corporation, landed hard during an autorative landing near Annerdale, South Africa. The pilot and passenger were not injured. The helicopter was substantially damaged. There was no fire. Visual meteorological conditions prevailed at the time of the flight en route from Germiston to Midrand in Gauteng Province. The accident is being investigated by the South African Civil Aviation Authority. The US Accredited Representative is Dennis Jones, NTSB, Washington, D.C.

## Aircraft

- Registration: ZS-RMN (not matched to a registry record)
- Reported make and model: ROBINSON R44 (UNDESIGNAT)
- Category: Helicopter
- Damage: Substantial damage
- Flight: Aerial observation, Non-U.S., non-commercial
- Operator: National Airways Corporation
- Registered owner: National Airways Corporation
- Departed: FAGM, Germiston
- Destination: FAGC, Midrand
- Flight plan: Unknown

## Weather

- Conditions: Visual (VMC)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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