# NTSB SEA86LA064: Bell 206B, N16800, Mount Baldy, ID, February 23, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: February 23, 1986, 12:15 local (19:15 UTC)
- Place: Mount Baldy, ID
- Coordinates: 43.569286, -114.209953 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.5693&lon=-114.2100&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40360
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA86LA064
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40360/pdf
- Page: https://openairdocs.org/ntsb/SEA86LA064

## Sequence of events

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

- In flight encounter with weather, cruise
  - weather condition - clouds (contributing factor)
  - flight into known adverse weather - selected, pilot in command (cause)
- In flight collision with terrain/water, cruise
  - flight/nav instruments,turn and bank indicator - inoperative (contributing factor)
  - operation with known deficiencies in equipment - selected, pilot in command (cause)
  - flight/nav instruments,attitude indicator - inoperative (contributing factor)

## Analysis

THE PILOT ALLOWED THE AIRCRAFT TO ENTER INTO INSTRUMENT METEOROLOGICAL CONDITIONS. THE ARTIFICIAL HORIZON WAS INOPERATIVE AS WELL AS THE TURN PORTION OF THE TURN AND BANK. A TREE WAS STRUCK WITH THE AIRCRAFT THEN STRIKING THE GROUND.

## Aircraft

- Registration: [N16800](https://openairdocs.org/deregistered/N16800-1996-06-03), registration cancelled 1996-06-03, S/N 2214 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Category: Helicopter
- Serial number: 2214
- Airframe hours: 3204
- Engines: ALLISON 250-C2OB 317 horsepower turbo shaft
- Damage: Destroyed
- Flight: Part 135
- Operator: Reeders Flying Service
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, November 15, 1985, 41 hours before
- Departed: MOUNT BALDY, ID
- Destination: HAILEY, ID

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 8,810 total, 4,700 in this make and model, 8,550 as pilot in command, 40 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 305° at 5 knots
- Visibility: 1 statute miles
- Temperature: 36 °F
- Altimeter: 30.00 inHg

## 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 19860223004909A](https://openairdocs.org/incident/19860223004909A), Feb 23, 1986: Bell 206B, Mount Baldy, ID, Destroyed. Encountered IFR conditions after liftoff. Artificial horizon malfunctioned. Struck trees and ground.

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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