# NTSB DEN87LA140: Cessna TU206D, N72415, Garrison, ND, June 1, 1987

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 1, 1987, 11:30 local (16:30 UTC)
- Place: Garrison, ND
- Coordinates: 47.650608, -101.419067 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.6506&lon=-101.4191&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report October 7, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 17238
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87LA140
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17238/pdf
- Page: https://openairdocs.org/ntsb/DEN87LA140

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - engine assembly,cylinder - cracked (cause)
- Forced landing, descent - emergency
- Nose over, landing - flare/touchdown
  - proper glidepath - not attained, pilot in command (contributing factor)
  - terrain condition - soft (contributing factor)
  - terrain condition - uphill (contributing factor)

## Analysis

THE PLT AND A PHOTOGRAPHER WERE PHOTO-MAPPING AT 3,000 FEET MSL. THE PLT REPORTED THAT THE ENGINE QUIT AT CRUISE. THE PLT SELECTED A GRAVEL ROAD FOR THE FORCED LANDING. THE AIRCRAFT LANDED SHORT OF THE INTENDED TOUCHDOWN POINTIN A PLOWED FIELD AND ON TOUCHDOWN THE NOSE WHEEL 'DUG IN' AND THE AIRCRAFT NOSED OVER. A POST-ACCIDENT INSPECTION REVEALED THE NUMBER ONE ENGINE CYLINDER HAD A CATASTROPHIC CRACK NEAR THE TOP OF THE CYLINDER.

## Aircraft

- Registration: [N72415](https://openairdocs.org/deregistered/N72415-2013-07-23), registration cancelled 2013-07-23, S/N U206-1399, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA TU206D
- Registry model: [Cessna TU206D](https://openairdocs.org/model/cessna-tu206d) (registry code 2073344) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: U2061399
- Airframe hours: 5721
- Engines: CONTINENTAL TSIO-520-C 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Other work use, Part 91
- Registered owner: Ortseifen A. John
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 3, 1986, 63 hours before
- Departed: BIS, BISMARCK, ND

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 2,290 total, 955 in this make and model, 2,130 as pilot in command, 118 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 20 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 81 °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 19870601021559A](https://openairdocs.org/incident/19870601021559A), Jun 1, 1987: Cessna TU206D, Garrison, ND, Substantial damage. Lost power at cruise. Forced landing. Short of intended landing. Landed in a plowed field. Aircraft nosed over.

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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