# Accident 20060528031299A: Hughes 369HS, Mattituck, NY, May 28, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 28, 2006, 14:40 local time
- Place: Mattituck, NY
- Damage: Destroyed
- Phase of flight: Low Level Operations
- Operating rules: General operating rules (Part 91)
- Location: 41.0172° N, 72.5597° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.0172&lon=-72.5597&mi=10
- Aircraft: N9244F, a cancelled registration (https://openairdocs.org/deregistered/N9244F-2013-03-19) (OpenAirDocs)
- Registry model: Hughes 369HS (registry code 4470728, https://openairdocs.org/model/hughes-369hs) (OpenAirDocs)
- Registry engine: Allison 250-C20 series (registry code 03020, https://openairdocs.org/engine/allison-250-c20-series) (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Reported engine: ALLSN 250C20
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,236 total, 1,471 in this make and model, 15 in the last 90 days
- NTSB investigation: [NTSB NYC06LA122](https://openairdocs.org/ntsb/NYC06LA122) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20060528031299A

## Narrative

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

(-23) WHILE MANEUVERING OVER THE WATER, THE PILOT ^PRIVACY DATA OMITTED^ HEARD A BANG AND LOST POWER. HE WAS UNABLE TO PERFORM A SUCCESSFUL AUTOROTATION AND DEPLOY THE FLOATS IN TIME. THE AIRCRAFT IMPACTED THE WATER AT A RELATIVELY HIGH SPEED AND FLIPPED OVER. BOEING SAFETY INVESTIGATOR ^PRIVACY DATA OMITTED^ AND ROLLS ROYCE INVESTIGATOR ^PRIVACY DATA OMITTED^ ANALYZED AND INSPECTED THE WRECKAGE. ALLISON ENGINE N1 DID NOT ROTATE WHEN SPLINE SHAFT TURNED ON STARTER GENERATOR PAD. ENGINE HAD INTERNAL DISCONNECT. ENGINE REMOVED AND SENT TO ALLISON ENGINE DIVISION. AWAITING FINAL REPORT TO BE INCLUDED IN ACCIDENT FOLDER.

## 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 NYC06LA122](https://openairdocs.org/ntsb/NYC06LA122), May 28, 2006: Hughes 369HS (N9244F), Mattituck, NY, substantial damage. Probable cause: A loss of engine power due to undetermined reasons.

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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