# NTSB SEA87LA082: Bell 206-BIII, N9KT, Kent, WA, April 19, 1987

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 18, 1987, 17:30 local (Apr 19, 1987, 00:30 UTC)
- Place: Kent, WA
- Coordinates: 47.739784, -122.199066 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.7398&lon=-122.1991&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report July 5, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40614
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA082
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40614/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA082

## Sequence of events

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

- Loss of control - in flight, takeoff
  - directional control - inadequate, dual student (cause)
  - supervision - inadequate, pilot in command(cfi) (cause)
- In flight collision with terrain/water, takeoff
- Roll over, takeoff

## Analysis

DURING TAKEOFF TO A HOVER THE HELICOPTER ROLLED TO THE LEFT. THE STUDENT PILOT OVER CORRECTED. THE HELICOPTERS RIGHT SKID CONTACTED THE GROUND WITH THE STUDENT PILOT MAKING A RAPID INCREASE IN COLLECTIVE RATE CAUSING THE HELICOPTER TO ROLL TO THE RIGHT ONTO THE GROUND. THE INSTRUCTOR PILOT WAS UNABLE TO CORRECT THE STUDENT PILOTS ERROR IN TIME TO PREVENT THE HELICOPTER FROM ROLLING OVER.

## Aircraft

- Registration: N9KT (not matched to a registry record)
- Reported make and model: BELL 206-BIII
- Category: Helicopter
- Serial number: 3282
- Airframe hours: 1220
- Engines: ALLISON 250 317 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Howard Meister, II
- Registered owner: Tom Matson
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, May 20, 1986, 20 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 8,050 total, 650 in this make and model, 7,500 as pilot in command, 36 in the last 90 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 4 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 54 °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 19870418076679A](https://openairdocs.org/incident/19870418076679A), Apr 18, 1987: Bell 206B, Kent, WA, Substantial damage. In the process of performing a takeoff to hover student lost control. Helicopter came to rest on its side.

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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