# NTSB DEN84LA135: Stinson 108-3, N631C, Mcville, ND, April 22, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: April 21, 1984, 19:15 local (Apr 22, 1984, 01:15 UTC)
- Place: Mcville, ND
- Coordinates: 47.759487, -98.170516 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.7595&lon=-98.1705&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor, 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16370
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA135
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16370/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA135

## Sequence of events

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

- Loss of control - in flight, approach - vfr pattern - final approach
  - judgment - poor, pilot in command (cause)
  - impairment(alcohol), pilot in command (cause)
  - procedures/directives - not followed, pilot in command
  - qualification, pilot in command
  - airspeed(vso) - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, approach

## Analysis

THE ACFT COLLIDED WITH THE GROUND, LEFT WING 1ST, DURING AN APCH TO LAND. THE PLT STATED THAT THE ACFT APPARENTLY STALLED. A PATROLMAN NOTED AN ODOR OF ALCOHOL IN THE PLT'S BREATH. A BLOOD/ALCOHOL TEST SHOWED AN ALCOHOL LEVEL OF 0.19%. THE PLT'S LAST MEDICAL EXAM WAS DATED 10/17/80 & HIS LAST BIENNIAL FLT REVIEW WAS IN DEC 81. THE ACFT WAS EQUIPPED WITH CLOTH FABRIC TO METAL TYPE SEAT BELTS WHICH SHOULD HAVE BEEN MODIFIED TO MEET EXISTING REGS. THE PLT SUFFERED A BROKEN ANKLE DURING THE ACCIDENT.

## Aircraft

- Registration: [N631C](https://openairdocs.org/aircraft/N631C), registered now, S/N 108-3631 (OpenAirDocs)
- Reported make and model: STINSON 108-3
- Registry model: [Stinson 108-3](https://openairdocs.org/model/stinson-108-3) (registry code 9230408) (OpenAirDocs)
- Registry engine: [Franklin 6A4165 series](https://openairdocs.org/engine/franklin-6a4165-series) (registry code 27025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-3631
- Airframe hours: 418
- Engines: FRANKLIN 6A4-165-B3 165 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Don Orwick
- Last inspection: Annual, September 4, 1978, 10 hours before
- Airport: ND36, Mcville Municipal, runway 17, 2,400 × 100 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; commercial; airplane ratings: single-engine land; medical: class 2, expired; seat: left; toxicology performed; flight hours: 3,500 total, 25 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 50 °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 19840421016669A](https://openairdocs.org/incident/19840421016669A), Apr 21, 1984: Univar 1083, Mcville, ND, Substantial damage. Stalled and crashed on short final. Pilot had consumed alcohol. No medical or biennial seat belts not airworthy.

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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