# Accident 20140722015959A: Hughes 369D, Oso, WA, July 22, 2014

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 22, 2014, 11:20 local time
- Place: Oso, WA
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: Rotorcraft external load (Part 133)
- Operator: GILL
- Location: 48.2333° N, 121.9167° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=48.2333&lon=-121.9167&mi=10
- Aircraft: N5225C, a cancelled registration (https://openairdocs.org/deregistered/N5225C-2017-02-07) (OpenAirDocs)
- Registry model: Hughes Helicopters HUGHES 369D (registry code 4470706, https://openairdocs.org/model/hughes-helicopters-hughes-369d) (OpenAirDocs)
- Registry engine: Allison 250-C20 series (registry code 03020, https://openairdocs.org/engine/allison-250-c20-series) (OpenAirDocs)
- Reported make and model: HUGHES 369D
- Reported engine: ALLISON 250-C20 SER
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 38,000 total, 27,000 in this make and model, 270 in the last 90 days
- NTSB investigation: [NTSB WPR14LA308](https://openairdocs.org/ntsb/WPR14LA308) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20140722015959A

## Narrative

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

ON JULY 22, 2014, N5225C, HUGHES 369D, SUSTAINED SUBSTANTIAL DAMAGE AND THE PILOT WAS SERIOUSLY INJURED, WHEN THE HELICOPTER MAIN ROTOR BLADE SEPARATED IN FLIGHT WHILE MAKING A REPOSITION TURN DURING AN EXTERNAL LOAD OPERATION.

## 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 WPR14LA308](https://openairdocs.org/ntsb/WPR14LA308), Jul 22, 2014: Mdhi 369D (N5225C), Oso, WA, substantial damage. Probable cause: The pilot/mechanic’s failure to properly perform required inspections of the main rotor blades at the necessary intervals, which resulted in an in-flight separation of a main rotor blade due to…

## Other reports on N5225C (2)

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

- [Accident 20030407005609A](https://openairdocs.org/incident/20030407005609A), Apr 7, 2003: Hughes 369D (N5225C), Queets, WA, Substantial damage. (-23) MD 396D helicopter sustained substantial damage during a hard landing following a loss of engine power while engaged in cedar block lift work in…
- [Accident 19961116045399A](https://openairdocs.org/incident/19961116045399A), Nov 16, 1996: Hughes 369D (N5225C), Forks, WA, Substantial damage. Lost power on external load ops. Landed in trees. Engine fuel nozzle collapsed due fuel contamination.

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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