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Helicopter Experiences Total Engine Power Loss During Low-Level Maneuvering Over Water (N9244F)

Mattituck, NY, US

On May 28, 2006, a Hughes 369HS (registration N9244F) was involved in an aviation accident near Mattituck, NY. No fatalities were reported. Investigators recorded the probable cause as: A loss of engine power due to undetermined reasons. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A helicopter suffered a total loss of engine power while maneuvering below 100 feet over shore and ocean. The pilot performed an autorotation and activated floats; the helicopter impacted water twice, becoming inverted. Both occupants egressed and were rescued.

Incident Overview

During aggressive maneuvering over the shore and ocean, at an altitude below 100 feet above ground level, the helicopter experienced a total loss of engine power. The pilot initiated an autorotation and deployed the float system. The helicopter struck the water in a level attitude with sufficient forward speed to submerge and then rebound 15 to 18 feet into the air. A second impact occurred, this time with the helicopter inverted.

Occupant Egress and Rescue

Both occupants successfully egressed from the submerged helicopter and were rescued shortly after reaching the surface.

Postaccident Examination

A postaccident examination revealed that the main rotor blades had damage consistent with a loss of power. However, examination of the engine and powertrain systems was inconclusive as to the cause of the power loss.

Engine failure

Frequently asked questions

What happened in the 28 May 2006 Hughes 369HS accident near Mattituck, NY?

A helicopter suffered a total loss of engine power while maneuvering below 100 feet over shore and ocean. The pilot performed an autorotation and activated floats; the helicopter impacted water twice, becoming inverted. Both occupants egressed and were rescued.

Were there any fatalities in the 28 May 2006 Hughes 369HS accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 28 May 2006 involved a Hughes 369HS, registration N9244F, at Mattituck, NY.

What was the probable cause of the accident?

A loss of engine power due to undetermined reasons.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20060607X00689. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.