# NTSB ANC85LA148: Stinson 108-3, N4000C, Montague Island, AK, August 6, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 5, 1985, 16:10 local (Aug 6, 1985, 00:10 UTC)
- Place: Montague Island, AK
- Location: 60.1092° N, 147.3411° W: Placed by OpenAirDocs: center of Montague Island, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.1092&lon=-147.3411&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4540
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA148
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4540/pdf
- Page: https://openairdocs.org/ntsb/ANC85LA148

## Sequence of events

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

- On ground/water encounter with terrain/water, takeoff - roll/run
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - terrain condition - loose gravel/sandy (contributing factor)
  - terrain condition - wet (contributing factor)
- Nose over, takeoff

## Analysis

THE PLT STATED THAT DURING THE TAKEOFF ROLL, THE ACFT WAS KEPT CLOSE TO THE WATERLINE TO STAY ON THE HARD SAND. AFTER ROLLING APRX 700 FT, THE TAIL WHEEL WAS RAISED. AT ABOUT THAT TIME, THE LEFT GEAR SANK IN SOFT SAND & PULLED THE ACFT TO THE LEFT. SUBSEQUENTLY, THE ACFT ENCOUNTERED WATER FROM THE INCOMING TIDE & NOSED OVER.

## Aircraft

- Registration: N4000C (not matched to a registry record)
- Reported make and model: STINSON 108-3
- Category: Airplane
- Serial number: 5000
- Airframe hours: 2423
- Engines: FRANKLIN 6A4-165-B3 165 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Jerome J. Stanek
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 22, 1984, 140 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 131 total, 70 in this make and model, 71 as pilot in command, 25 in the last 90 days, 10 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 40 statute miles
- Lowest ceiling: 7,000 ft broken
- Temperature: 50 °F, dew point 19 °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 19850805047259A](https://openairdocs.org/incident/19850805047259A), Aug 5, 1985: Univar 1083, Montague Island, AK, Substantial damage. Nosed over after left gear sunk in soft spot during beach takeoff roll.

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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