# Accident 20170406003809A: Bell 206B, La Verne, CA, April 6, 2017

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 6, 2017, 10:30 local time
- Place: La Verne, CA
- Airport: Brackett Field
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 34.0917° N, 117.7817° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=34.0917&lon=-117.7817&mi=10
- Aircraft: N206SA, registered now (https://openairdocs.org/aircraft/N206SA) (OpenAirDocs)
- Registry model: Bell 206B (registry code 1181511, https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Registry engine: Allison 250-C20 series (registry code 03020, https://openairdocs.org/engine/allison-250-c20-series) (OpenAirDocs)
- Reported make and model: BELL 206B
- Reported engine: ALLISON 250-C20 SER
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 20,000 total, 2,500 in this make and model, 25 in the last 90 days
- NTSB investigation: [NTSB GAA17CA218](https://openairdocs.org/ntsb/GAA17CA218) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20170406003809A

## Narrative

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

DURING A TRAINING FLIGHT, WHILE PERFORMING A SIMULATED AUTO-ROTATION, COLLECTIVE PITCH WAS INTRODUCED TO EARLY CAUSING THE MAIN ROTOR TO LOSE MOMENTUM RESULTING IN A HARD LANDING. UPON LANDING, ONE MAIN ROTOR BLADE STRUCK THE TAIL BOOM CAUSING DAMAGE TO THE TAIL BOOM AND TO THE TAIL ROTOR DRIVE SHAFT.

## 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 GAA17CA218](https://openairdocs.org/ntsb/GAA17CA218), Apr 6, 2017: Bell 206 (N206SA), La Verne, CA, substantial damage. Probable cause: The pilot’s early increased application of the collective during a simulated hovering autorotation, which resulted in a loss of rotor rpm and subsequent main rotor blade strike of the tailboom.

## Other reports on N206SA (1)

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

- [Incident 20161112018479I](https://openairdocs.org/incident/20161112018479I), Nov 12, 2016: Bell 206B (N206SA), Oceanside, CA, Minor damage. The aircraft was conducting an aerial wildlife survey under contract with marine corps base camp pendleton. Three passengers of the game wardens office were…

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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