# NTSB ANC86LA131: Cessna 172RGII, N4856V, Kotlik, AK, August 19, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 19, 1986, 13:30 local (21:30 UTC)
- Place: Kotlik, AK
- Location: 63.0286° N, 163.5392° W: Placed by OpenAirDocs: center of Kotlik, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=63.0286&lon=-163.5392&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 office: Alaska Regional Office
- NTSB case key (mKey): 4718
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA131
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4718/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA131

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - terrain condition - rough/uneven (cause)
  - in-flight planning/decision - improper, pilot in command (cause)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)

## Analysis

THE PILOT STATED ON APPROACH HE SPOTTED WHAT APPEARED TO BE THE AIRPORT FROM SEVERAL MILES OFF. INSTEAD OF LANDING AT THE AIRPORT, HE LANDED AT A GRAVEL BAR. AFTER TOUCHDOWN THE PILOT LOST CONTROL OF THE AIRCRAFT AND THE AIRCRAFT NOSED OVER ON ITS BACK.

## Aircraft

- Registration: [N4856V](https://openairdocs.org/aircraft/N4856V), registered now, S/N 172RG0401, built 1980 (OpenAirDocs)
- Reported make and model: CESSNA 172RGII
- Registry model: [Cessna 172RG](https://openairdocs.org/model/cessna-172rg) (registry code 2072438) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 172RGO401
- Airframe hours: 1305
- Engines: LYCOMING O-360-F1A6 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 4, 1986, 4 hours before
- Departed: MOU, MOUNT'N VILLAGE, AK
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 913 total, 4 in this make and model, 759 as pilot in command, 3 in the last 90 days, 3 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 170° at 10 knots
- Visibility: 10 statute miles
- Lowest ceiling: 1,000 ft broken
- Temperature: 39 °F, dew point 19 °F
- Altimeter: 29.00 inHg

## 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 19860819040859A](https://openairdocs.org/incident/19860819040859A), Aug 19, 1986: Cessna 172RG, Kotlik, AK, Substantial damage. Flipped over after landing on a partially constructed abandoned airport with a dirt runway.

## Other investigations on N4856V (1)

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 ANC84LA029](https://openairdocs.org/ntsb/ANC84LA029), Jan 7, 1984: Cessna 172RG (N4856V), Big Lake, AK, 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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