# NTSB DEN86LA035: Stinson 108-1, N8143K, Beulah, ND, November 30, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 30, 1985, 16:45 local (23:45 UTC)
- Place: Beulah, ND
- Coordinates: 47.259662, -101.769401 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.2597&lon=-101.7694&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): 16890
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA035
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16890/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA035

## Sequence of events

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

- In flight collision with terrain/water, landing - flare/touchdown
  - terrain condition - snow covered
  - proper alignment - not attained, pilot in command (cause)
  - visual/aural perception, pilot in command (cause)
  - light condition - dusk (contributing factor)
- Nose over, landing - roll

## Analysis

DURING A LANDING AT DUSK ON A SNOW COVERED RWY, THE ACFT ENCOUNTERED DEEP SNOW AND NOSED OVER ONTO ITS BACK. THE PLT STATED THAT AFTER TOUCHDOWN, HE REALIZED THAT THERE WAS APRX ONE FT OF SNOW ON THE RWY AND WAS UNABLE TO MAKE A GO-AROUND.

## Aircraft

- Registration: [N8143K](https://openairdocs.org/aircraft/N8143K), registered now, S/N 108-1143, built 1946 (OpenAirDocs)
- Reported make and model: STINSON 108-1
- Registry model: [Universal Stinson 108-1](https://openairdocs.org/model/universal-stinson-108-1) (registry code 9230414) (OpenAirDocs)
- Registry engine: [Lycoming 0-435A/0-435C](https://openairdocs.org/engine/lycoming-0-435a-0-435c) (registry code 41517, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-1143
- Airframe hours: 1637
- Engines: LYCOMING O-435A-1 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Edwin G. Reiersgaard
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, July 10, 1985
- Departed: BIS, BISMARK, ND
- Airport: 95D, Beulah, runway 28, 3,500 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; commercial, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 3,809 total, 150 in this make and model, 1,136 as pilot in command, 110 in the last 90 days

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 359° at 7 knots
- Visibility: 5 statute miles
- Lowest ceiling: 10,000 ft overcast
- Temperature: -8 °F, dew point -0 °F
- Altimeter: 30.00 inHg
- Observed at: DIK, 49 nm away

## 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 19851130076449A](https://openairdocs.org/incident/19851130076449A), Nov 30, 1985: Univar 1081, Beulah, ND, Substantial damage. Landed off runway centerline, nosed over in a foot of snow. Center of the runway had 3 inches of snow.

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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