# NTSB SEA87LA028: Cessna T-206, N756WZ, Warren, ID, November 20, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 20, 1986, 09:00 local (16:00 UTC)
- Place: Warren, ID
- Coordinates: 45.069225, -115.96952 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.0692&lon=-115.9695&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 10, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40569
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA028
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40569/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA028

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - airport facilities,runway/landing area condition - snow covered (contributing factor)
- Nose over, landing - roll

## Analysis

THE PILOT WAS ATTEMPTING TO LAND ON A SNOW COVERED US FORREST SERVICE AIRSTRIP AT DAWN. THE AIRCRAFTS RIGHT MAIN GEAR CAUGHT ON UNEVEN TERRAIN TO THE SIDE OF THE AIRSTRIP, VEERED TO THE RIGHT, AND THEN NOSED OVER INVERTED.

## Aircraft

- Registration: [N756WZ](https://openairdocs.org/deregistered/N756WZ-2018-07-12), registration cancelled 2018-07-12, S/N U20604427, built 1978 (OpenAirDocs)
- Reported make and model: CESSNA T-206
- Registry model: [Cessna TU206G](https://openairdocs.org/model/cessna-tu206g) (registry code 2073357) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: U20604427
- Airframe hours: 3022
- Engines: CONTINENTAL TSIO-520-M 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Susan Dorris
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, November 10, 1986, 22 hours before
- Departed: MYL, MCCALL, ID
- Destination: USFS, WARREN, ID
- Flight plan: VFR
- Airport: USFS, Warren, runway 29, 3,000 × 75 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 3,990 total, 2,820 in this make and model, 3,880 as pilot in command, 219 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dawn
- Wind: 320° at 5 knots, gusting 10
- Visibility: 30 statute miles
- Lowest ceiling: 1,400 ft broken
- Temperature: 32 °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 19861120083819A](https://openairdocs.org/incident/19861120083819A), Nov 20, 1986: Cessna TU206G, Warren, ID, Substantial damage. The aircraft veered off the side of the snow covered runway and flipped over. Dawn lighting conditions.

## Other investigations on N756WZ (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 SEA03LA056](https://openairdocs.org/ntsb/SEA03LA056), Apr 7, 2003: Cessna TU206 G (N756WZ), Pistol Creek, ID, substantial damage. Probable cause: Inadequate visual lookout by the driver of the vehicle that turned on to the runway. Factors include rising terrain decreasing the possibility of a successful go-around and rough uneven terrain…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.