# NTSB DEN83LA125: Cessna TU206, N5136X, Evanston, WY, May 31, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 30, 1983, 19:05 local (May 31, 1983, 01:05 UTC)
- Place: Evanston, WY
- Coordinates: 41.249832, -110.95951 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.2498&lon=-110.9595&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16082
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83LA125
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16082/pdf
- Page: https://openairdocs.org/ntsb/DEN83LA125

## Sequence of events

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

- In flight encounter with weather, landing - flare/touchdown
  - weather condition - crosswind (contributing factor)
  - weather condition - gusts (contributing factor)
  - weather condition - high wind (contributing factor)
  - weather condition - unfavorable wind (contributing factor)
  - in-flight planning/decision - improper, pilot in command (cause)
- Loss of control - on ground/water, landing - flare/touchdown
  - lowering of flaps - improper, pilot in command (cause)
  - directional control - not possible, pilot in command (contributing factor)
  - ground loop/swerve - uncontrolled, pilot in command (contributing factor)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - ditch (contributing factor)

## Analysis

AFTER DEPARTING EVANSTON THE PLT ENCOUNTERED ADVERSE WX ABOUT 100 MI EAST & RETURNED TO EVANSTON. THE PLT EXECUTED A GO-AROUND FROM A RWY 34 APPROACH DUE TO UNFAVORABLE WINDS & THEN LANDED ON RWY 16. DIRECTIONAL CONTROL WAS LOST & THE ACFT COLLIDED WITH A DITCH. WINDS WERE GUSTING 37K. THE PLT WAS USING FULL FLAPS.

## Aircraft

- Registration: [N5136X](https://openairdocs.org/deregistered/N5136X-2017-07-18), registration cancelled 2017-07-18, S/N U20605582, built 1980 (OpenAirDocs)
- Reported make and model: CESSNA TU206
- 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: U20605582
- Airframe hours: 324
- Engines: CONTINENTAL TSIO-520-M 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: S.A.F.E. - International, Inc.
- Airworthiness certificate: Standard, Utility
- Last inspection: 100 hour, March 28, 1983, 11 hours before
- Destination: CPR, CASPER, WY
- Airport: EVW, Evanston, runway 16, 5,000 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 443 total, 261 in this make and model, 382 as pilot in command, 13 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 80° at 25 knots, gusting 37
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 55 °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 19830530021719A](https://openairdocs.org/incident/19830530021719A), May 30, 1983: Cessna TU206G, Evanston, WY, Substantial damage. Lost control landing in a strong gusty crosswind. Left the runway. Flipped over in a ditch. Exceeded components

## Other investigations on N5136X (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 SEA06FA115](https://openairdocs.org/ntsb/SEA06FA115), Jun 8, 2006: Cessna TU206G (N5136X), Mullan, ID, substantial damage, 2 fatal. Probable cause: The pilot's VFR flight into IMC and his subsequent failure to maintain terrain clearance. The pilot's inadequate inflight planning/decision, mountain obscuration, trees and high terrain were factors.

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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