# Accident 20231228019719A: Bell Helicopter Textron 206L-1, Walland, TN, December 28, 2023

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 28, 2023, 12:44 local time
- Place: Walland, TN
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Operator: R93J
- Location: 35.7642° N, 83.8493° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=35.7642&lon=-83.8493&mi=10
- Aircraft: N571CJ, registered now (https://openairdocs.org/aircraft/N571CJ) (OpenAirDocs)
- Registry model: Bell Helicopter Textron 206L-1 (registry code 1182107, https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Registry engine: Allison 250-C28 series (registry code 03022, https://openairdocs.org/engine/allison-250-c28-series) (OpenAirDocs)
- Reported make and model: BELL HELICOPTER TEXTRON 206L-1
- Reported engine: ALLISON 250-C28 SER
- People aboard: 7
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 2,785 total
- NTSB investigation: [NTSB ERA24LA076](https://openairdocs.org/ntsb/ERA24LA076) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20231228019719A

## Narrative

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

DURING SIGHT SEEING TOUR FLIGHT, PILOT OBSERVED AN ILLUMINATED ENG CHIP LIGHT. DURING MONOVERING FOR LANDING, PILOT HEARD ABNORMAL NOISE AND OBSERVED ENGINE OIL PRESSURE AND TEMPERATURE GAUGE WAS AT ZERO. PILOT PERFROMED AUTOROTATION INITIALLY IMPACTING TAIL (CAUSING SEPERATION) THEN ROLLING FORWARD ON NOSE CAUSING DAMAGE TO LANDING LIGHT. IMPACT CAUSED SKIDS TO SLIGHTLY SPLIT.

## 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 ERA24LA076](https://openairdocs.org/ntsb/ERA24LA076), Dec 28, 2023: Bell Helicopter Textron 206L-1 (N571CJ), Walland, TN, substantial damage. Probable cause: The improper installation of the No. 8 bearing spanner nut, which resulted in the No. 8 bearing’s failure, and the subsequent total loss of engine power.

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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