# Accident 20180802009539A: Bell 47G-3B, August 2, 2018

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 2, 2018, 08:30 local time
- Damage: Substantial damage
- Phase of flight: Landing: Approach
- Operating rules: General operating rules (Part 91)
- Location: 43.8250° N, 103.6358° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.8250&lon=-103.6358&mi=10
- Aircraft: N347BH, registered now (https://openairdocs.org/aircraft/N347BH) (OpenAirDocs)
- Registry model: Bell 47G-3B (registry code 1181026, https://openairdocs.org/model/bell-47g-3b) (OpenAirDocs)
- Registry engine: Lycoming TVO-435-GIA (registry code 41526, https://openairdocs.org/engine/lycoming-tvo-435-gia) (OpenAirDocs)
- Reported make and model: BELL 47G-3B
- Reported engine: LYCOMING TV0-435 SER
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 1,063 total, 2 in this make and model, 176 in the last 90 days
- NTSB investigation: [NTSB CEN18LA306](https://openairdocs.org/ntsb/CEN18LA306) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20180802009539A

## Narrative

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

ON 08/02/2018 APPROXIMATLY 0830 A HELICOPTER REGISTERED TO DAKOTA ROTORS LLC LANDED ON UNEVEN TERRIAN AFTER THE PILOT STATED THE RPM DROPPED AND WAS UNABLE TO BRING THE RPM BACK UP IN TIME. THE TERRAIN WAS DOWNWARD SLOPING AND THE HELICOPTER LANDED AND ROLLED TO THE RIGHT. VMC CONDITION PREVAILED. NO FLIGHT PLAN WAS FILED. THE HELICOPTER WAS SUNSTANTIALLY DAMAGED, AND THE OCCUPANTS WERE ABLE TO EXIT THE ROTORCRAFT IMMEDIATELY. THE PILOT HOLDS A COMMERCIAL CERTIFICATE. THE FLIGHT ORIGINATED AT A HELIPAD NEAR CUSTER, SD ON 08/02/2018.

## 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 CEN18LA306](https://openairdocs.org/ntsb/CEN18LA306), Aug 2, 2018: Bell 47G 3B (N347BH), Custer, SD, substantial damage. Probable cause: The pilot’s mismanagement of rotor RPM and subsequent forced landing on uneven terrain which led to a dynamic rollover.

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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