# Accident 20120101000549A: Bell-Continental Copters Inc. 47G2, Lohn, TX, January 1, 2012

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 1, 2012, 11:30 local time
- Place: Lohn, TX
- Damage: Substantial damage
- Phase of flight: Hover/Holding
- Operating rules: General operating rules (Part 91)
- Location: 31.3250° N, 99.4083° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=31.3250&lon=-99.4083&mi=10
- Aircraft: N9021R, registered now (https://openairdocs.org/aircraft/N9021R) (OpenAirDocs)
- Registry model: Bell-Continental Copters 47G2 (registry code 1181069, https://openairdocs.org/model/bell-continental-copters-47g2) (OpenAirDocs)
- Registry engine: Lycoming VO-435-A1F (registry code 42200, https://openairdocs.org/engine/lycoming-vo-435-a1f) (OpenAirDocs)
- Reported make and model: BELL-CONTINENTAL COPTERS INC. 47G2
- Reported engine: LYCOMING VO-435-A1F
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- Pilot certificates: Commercial pilot
- Pilot flight hours: 14,000 total, 5,000 in this make and model, 25 in the last 90 days
- NTSB investigation: [NTSB CEN12LA120](https://openairdocs.org/ntsb/CEN12LA120) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20120101000549A

## Narrative

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

PILOT STATED HE DID A PRE FLIGHT INSPECTION PER THE OPERATOR'S MANUAL, LOADED HIS PASSENGER FOR THE PURPOSE OF PASTURE COUNT OF DEER ON HUNTING LEASES. ON THE FOURTH PASS ON THE PASTURE COUNTS FLYING SLOW AND LOW WENT TO MAKE A TURN AND LOST TAIL AUTHORITY, SPUN AROUND AND HIT THE GROUND HARD.  THE PILOT AND PASSENGER RECEIVED SERIOUS INJURIES.A FIELD INSPECTION AT THE ACCIDENT SITE REVEALED THAT THE TAIL ROTOR GEARS WERE STRIPED.  THERE WAS NO INDICATION OF ANY OIL OR LUBRICATION IN THE TAIL HOUSING WHEN GEAR BOX WAS SEPARATED.

## 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 CEN12LA120](https://openairdocs.org/ntsb/CEN12LA120), Jan 1, 2012: Continental Copters 47G2 (N9021R), Lohn, TX, substantial damage. Probable cause: The improper installation of the tail rotor gearbox by maintenance personnel, which led to accelerated wear of the ring and pinion gears, resulting in the loss of tail rotor effectiveness and…

## Other reports on N9021R (3)

Matched to the same aircraft by N-number and date.

- [Accident 19981211033299A](https://openairdocs.org/incident/19981211033299A), Dec 11, 1998: Bell 47G2 (N9021R), Helendale, CA, Substantial damage. (.19)On December 11, 1998, at 1645 hours pacific standard time, a Bell 47G2, N9021R, sustained substantial damage during a forced landing near Helendale,…
- [Accident 19970812021809A](https://openairdocs.org/incident/19970812021809A), Aug 12, 1997: Bell 47G2 (N9021R), Mojave, CA, Substantial damage. On August 12, 1997, at 1000 pacific daylight time, a Bell 47G2, N9021R, la ned hard on runway 4 at the Mojave, California airport. The local area instructional…
- [Incident 19830206007729I](https://openairdocs.org/incident/19830206007729I), Feb 6, 1983: Bell 47G2 (N9021R), Corona, CA, Minor damage. Pilot had yaw problems during hovering. Found tail rotor drive shaft failed.

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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