# Accident 19890428010569A: Hynes B2, Herkimer, NY, April 28, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 28, 1989, 10:30 local time
- Place: Herkimer, NY
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 43.0195° N, 74.9908° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=43.0195&lon=-74.9908&mi=10
- Aircraft: N2113U, a cancelled registration (https://openairdocs.org/deregistered/N2113U-2013-04-09) (OpenAirDocs)
- Registry model: Brantly B-2 (registry code 1440502, https://openairdocs.org/model/brantly-b-2) (OpenAirDocs)
- Registry engine: Lycoming O&VO-360 series (registry code 41514, https://openairdocs.org/engine/lycoming-o-vo-360-series) (OpenAirDocs)
- Reported make and model: HYNES B2
- Reported engine: LYC VO360*
- People aboard: 1
- Fatal injuries: 1
- NTSB investigation: [NTSB NYC89FA129](https://openairdocs.org/ntsb/NYC89FA129) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890428010569A

## Narrative

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

ENGINE FAILED SHORTLY AFTER DEPARTING PRIVATE PAD. CRASHED IN TREES. OIL PRESSURE RELIEF VALVE SPRING BROKE.

## 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 NYC89FA129](https://openairdocs.org/ntsb/NYC89FA129), Apr 28, 1989: Brantly Helicopter B-2 (N2113U), Herkimer, NY, destroyed, 1 fatal. Probable cause: A FORCED LANDING IN UNSUITABLE TERRAIN DUE TO AN INTERNAL ENGINE FAILURE. THE ENGINE FAILURE SEQUENCE WAS INITIATED BY A FAILED OIL PRESSURE RELIEF SPRING WHICH HAD FAILED IN FATIGUE DUE TO IMPROPER…

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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