# NTSB ANC85LA087: Stinson 108-3, N6175M, Chugiak, AK, May 28, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 27, 1985, 17:15 local (May 28, 1985, 01:15 UTC)
- Place: Chugiak, AK
- Coordinates: 61.410175, -149.170242 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.4102&lon=-149.1702&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4495
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA087
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4495/pdf
- Page: https://openairdocs.org/ntsb/ANC85LA087

## Sequence of events

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

- Dragged wing,rotor,pod,float or tail/skid, landing - flare/touchdown
  - weather condition - crosswind (contributing factor)
  - compensation for wind conditions - improper, pilot in command (cause)
- Loss of control - on ground/water, landing - flare/touchdown
  - rudder - improper use of, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - uncontrolled

## Analysis

WHILE LANDING WITH A GUSTY X-WIND, THE ACFT BOUNCED, THE LEFT WING DRAGGED THE GROUND & THE ACFT WENT OFF THE RWY. THE PLT STATED THAT DUE TO THE X-WIND & HIS FOOT SLIPPING OFF OF THE RUDDER PEDAL, HE WAS UNABLE TO MAINTAIN DIRECTIONAL CONTROL.

## Aircraft

- Registration: [N6175M](https://openairdocs.org/deregistered/N6175M-2012-10-03), registration cancelled 2012-10-03, S/N 108-4175, built 1948 (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: [Lycoming 0-435A/0-435C](https://openairdocs.org/engine/lycoming-0-435a-0-435c) (registry code 41517, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-4175
- Airframe hours: 2264
- Engines: CONTINENTAL O-470-J 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Lorn Robert Struthers
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 16, 1984, 56 hours before
- Departed: SKW, SKWENTNA, AK
- Destination: Z15
- Airport: Z15, Birchwood, runway 19, 4,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; student; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 78 total, 52 in this make and model, 28 as pilot in command, 28 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 205° at 10 knots, gusting 15
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point -0 °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 19850527023249A](https://openairdocs.org/incident/19850527023249A), May 27, 1985: Univar 1083, Chugiak, AK, Substantial damage. Bounced during landing with gusty variable winds. Wingtip struck ground during recovery attempt.

## Other investigations on N6175M (2)

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 ANC72DAG19](https://openairdocs.org/ntsb/ANC72DAG19), Aug 16, 1971: Stinson 108-3 (N6175M), Anchorage, AK, substantial damage
- [NTSB FTW68D0497](https://openairdocs.org/ntsb/FTW68D0497), Mar 18, 1968: Stinson 108-3 (N6175M), Beaver, OK, substantial damage

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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