# Accident 20040505009219A: Robsin R22MARINER, Chehalis, WA, May 5, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 5, 2004, 19:20 local time
- Place: Chehalis, WA
- Airport: Chehalis-Centralia
- Damage: Substantial damage
- Phase of flight: Approach
- Operating rules: General operating rules (Part 91)
- Operator: LJES
- Location: 46.6828° N, 122.9847° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.6828&lon=-122.9847&mi=10
- Aircraft: N6291T, registered now (https://openairdocs.org/aircraft/N6291T) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 MARINER (registry code 7640115, https://openairdocs.org/model/robinson-helicopter-r22-mariner) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22MARINER
- Reported engine: LYC O320B2C
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 529 total, 510 in this make and model, 165 in the last 90 days
- NTSB investigation: [NTSB SEA04LA078](https://openairdocs.org/ntsb/SEA04LA078) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040505009219A

## Narrative

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

(-23) HELICOPTER N6291T, REGISTERED TO ^PRIVACY DATA OMITTED^, AND OPERATED UNDER 14 CFR PART 141 BY HILLSBORO HELICOPTERS, INC., 3565 NE CORNELL RD, HILLSBORO, OR 97124, SUSTAINED SUBSTANTIAL DAMAGE AT APPROX 19:00 ON MAY 5, 2004. THE HELICOPTER MADE AN EMERGENCY AUTOROTATION LANDING INTO A FIELD 1/4 MI. WEST OF CHEHALIS AIRPORT (CLS) AFTER THE ENGINE QUIT AS THE HELICOPTER INITIATED A LEFT TURN ENTERING THE DOWNWIND LEG FOR RUNWAY 33. THE HELICOPTER TOUCHED DOWN TAIL FIRST IN A LEFT YAW. THE RIGHT SKID COLLAPSED CAUSING THE HELICOPTER ROLL OVER ON IT'S RIGHT SIDE. THE ROTOR BLADES STRUCK THE GROUND ON THE RIGHT SIDE AND CAME IN CONTACT WITH THE GROUND ONLY. EXTERNAL VISUAL INSPECTION REVEALED THAT DAMAGE TO THE HELICOPTER RESULTED FROM STRESS OCCURING AT THE RIGHT SKID, TAIL BOOM AND ROTOR MAST ATTACH POINTS AS A RESULT OF THE HARD LANDING. THERE WAS NO FIRE AND THE FLIGHT INSTRUCTOR AND STUDENT WERE NOT INJURED. DURING THE SALVAGE OPERATION, THE ENGINE STARTED EASILY AND RAN NORMALLY. THE HELICOPTER IS BEING TRANSPORTED TO ROBINSON HELICOPTER CO. FOR FURTHER INVESTIGATION. NO CAUSE FOR LOSS OF POWER WAS EVIDENT AT THE SCENE.

## 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 SEA04LA078](https://openairdocs.org/ntsb/SEA04LA078), May 6, 2004: Robinson R-22 Mariner (N6291T), Chehalis, WA, substantial damage. Probable cause: A loss of engine power for undetermined reasons.

## Other reports on N6291T (1)

Matched to the same aircraft by N-number and date.

- [Incident 20000602028069I](https://openairdocs.org/incident/20000602028069I), Jun 2, 2000: Robsin R22MARINER (N6291T), Chicago, IL, Minor damage. (-23)CFI pilot stated that the student was practing hovering at about 5-10 feet. She had a total of 5 hours of dual instruction in the helicopter, about 45…

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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