# NTSB FTW89LA150: Bell 206B, N5006N, Oak Grove, LA, August 19, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 19, 1989, 07:35 local (12:35 UTC)
- Place: Oak Grove, LA
- Location: 32.8624° N, 91.3912° W: Placed by OpenAirDocs: center of Oak Grove, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8624&lon=-91.3912&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 26, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 22908
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW89LA150
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22908/pdf
- Page: https://openairdocs.org/ntsb/FTW89LA150

## Probable cause

PILOT'S IMPROPER EMERGENCY PROCEDURES AND FLARE THAT LED TO A HARD LANDING AND ROLL OVER. FACTORS IN THE ACCIDENT WERE THE PILOT'S DECISION TO INITIATE AN AUTOROTATION FOLLOWING AN UNDETERMINED EVENT AND FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING THE LANDING SEQUENCE.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Hard landing, landing - flare/touchdown
  - autorotation - initiated, pilot in command (contributing factor)
  - emergency procedure - improper, pilot in command (cause)
  - terrain condition - loose gravel/sandy
  - flare - improper, pilot in command (cause)
  - directional control - not maintained, pilot in command (contributing factor)
- Roll over, landing - flare/touchdown

## Aircraft

- Registration: [N5006N](https://openairdocs.org/deregistered/N5006N-2015-05-13), registration cancelled 2015-05-13, S/N 2492, built 1978 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Serial number: 2492
- Engines: ALLISON 250-C20B 420 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Houston Helicopters
- Airworthiness certificate: Standard, Normal
- Departed: NONE, CAMERON, LA
- Destination: NONE, VERMILLION 69, GM
- Flight plan: Company VFR
- Airport: NONE

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; flight instructor, airline transport, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane, helicopter; medical: class 1, valid medical--w/ waivers/lim; seat: right; flight hours: 7,582 total, 1,316 in this make and model, 5,479 as pilot in command, 163 in the last 90 days, 13 in the last 30 days

## Weather

- Conditions: Visual (VMC), Dawn
- Wind: variable at 5 knots
- Visibility: 5 statute miles
- Lowest ceiling: none
- Temperature: 72 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19890819030409A](https://openairdocs.org/incident/19890819030409A), Aug 19, 1989: Bell 206B, Oak Grove, LA, Substantial damage. Loud whine en route. Auto rotated to hard landing and rolled over from side load. No mechanical defects found.

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.

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