# Accident 20111124027649A: Robinson Helicopter Company R44 II, Hackensack, MN, November 24, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 24, 2011, 19:30 local time
- Place: Hackensack, MN
- Damage: Substantial damage
- Phase of flight: Landing: Approach
- Operating rules: General operating rules (Part 91)
- Location: 46.9603° N, 94.4250° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.9603&lon=-94.4250&mi=10
- Aircraft: N821JV, a cancelled registration (https://openairdocs.org/deregistered/N821JV-2014-11-25) (OpenAirDocs)
- Registry model: Robinson Helicopter R44 II (registry code 7640122, https://openairdocs.org/model/robinson-helicopter-r44-ii) (OpenAirDocs)
- Registry engine: Lycoming IO-540 series (registry code 41530, https://openairdocs.org/engine/lycoming-io-540-series) (OpenAirDocs)
- Reported make and model: ROBINSON HELICOPTER COMPANY R44 II
- Reported engine: LYCOMING IO-540 SER
- People aboard: 2
- Fatal injuries: 1
- Other injuries: 1
- Pilot certificates: Private pilot
- Pilot flight hours: 2,073 total, 1,659 in this make and model, 28 in the last 90 days
- NTSB investigation: [NTSB CEN12FA091](https://openairdocs.org/ntsb/CEN12FA091) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20111124027649A

## Narrative

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

THE PILOT DEPARTED ALEXANDRIA AIRPORT ENROUTE TO HIS RESIDENCE.  THE HELICOPTER ACCIDENT OCCURED AT  TEN MILE LAKE. THE HELICOPTER SANK AFTER CONTACTING THE WATER.  THE AIRMAN ESCAPED THE HELICOPTER, BUT DIDN'T MAKE IT TO THE SHORE.  THE PASSENGER ESCAPED THE HELICOPTER AND SWAM TO SHORE.

## 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 CEN12FA091](https://openairdocs.org/ntsb/CEN12FA091), Nov 25, 2011: Robinson Helicopter R44 II (N821JV), Hackensack, MN, substantial damage, 1 fatal. Probable cause: The helicopter's sudden yaw and subsequent impact with the water for reasons that could not be determined during postaccident examination of the helicopter and its systems.

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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