# Accident 20040806018439A: Hughes OH6A, Anchorage, AK, August 6, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 6, 2004, 08:56 local time
- Place: Anchorage, AK
- Airport: Merrill Field Airport
- Damage: Substantial damage
- Phase of flight: Hovering
- Operating rules: General operating rules (Part 91)
- Location: 61.2136° N, 149.8445° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=61.2136&lon=-149.8445&mi=10
- Aircraft: N243D, a cancelled registration (https://openairdocs.org/deregistered/N243D-2018-02-20) (OpenAirDocs)
- Registry model: Hughes 369A (registry code 4470503, https://openairdocs.org/model/hughes-369a) (OpenAirDocs)
- Registry engine: Allison 250-C10D (registry code 03035, https://openairdocs.org/engine/allison-250-c10d) (OpenAirDocs)
- Reported make and model: HUGHES OH6A
- Fatal injuries: 0
- Pilot flight hours: 10,500 total, 27 in this make and model, 5 in the last 90 days
- NTSB investigation: [NTSB ANC04LA087](https://openairdocs.org/ntsb/ANC04LA087) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040806018439A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) AIRCRAFT CRASHED WHILE LANDING AT MRI. THIS REPORT WILL BE AMENDED WHEN MORE EVIDENCE IS UNCOVERED. (-23 AMENDMENT) AIRCRAFT CRASHED WHILE LANDING AT MRI. RECEIVED A CALL FROM MR. MARSON REGARDING THE ACCIDENT INVOLVING N243D. MR. MARSON SAID THE APPROACH TO MRI WAS NORMAL UNTIL AN A-6 STARTED TO TAXI AND THE TOWER DIRECTED HIM TO HOVER OVER THE GRASS TO THE SIDE OF THE TAXIWAY BESIDE RUNWAY 24. AS HE WAS POSITIONING TO HOVER HE INCREASED TORQUE AND PUSHED LEFT PEDAL. HE NOTICED THAT HE HAD NO MORE LEFT PEDAL AND TRIED TO CORRECT, THE AIRCRAFT CONTINUED TO TURN FASTER TO THE RIGHT. AT THIS POINT HE SAID HE LOST CONTROL AND WAS ALONG FOR THE RIDE. IT APPEARS THAT THE TAIL ROTOR BECAME INEFFECTIVE BECAUSE OF ROTOR WASH AND THERE WAS NO MORE DIRECTIONAL CONTROL.

## The NTSB's investigation of this event (1)

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.

- [NTSB ANC04LA087](https://openairdocs.org/ntsb/ANC04LA087), Aug 6, 2004: Hughes OH-6A (N243D), Anchorage, AK, substantial damage. Probable cause: A loss of tail rotor effectiveness during aerial taxi, and the pilot's delayed remedial action to counteract a rapid right yaw, which resulted in an in-flight loss of directional control, and…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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