# NTSB ANC87LA017: Cessna 185, N6992N, Skwentna, AK, December 3, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: December 3, 1986, 14:00 local (18:00 UTC)
- Place: Skwentna, AK
- Coordinates: 61.930919, -151.730148 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.9309&lon=-151.7301&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4810
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC87LA017
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4810/pdf
- Page: https://openairdocs.org/ntsb/ANC87LA017

## 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
  - landing gear,wheel - frozen (cause)
  - aircraft handling - not maintained, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)

## Analysis

THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRCRAFT ON TOUCHDOWN. EXAMINATION OF THE BRAKE SYSTEM REVEALED THE LEFT BRAKE WAS FROZEN.

## Aircraft

- Registration: [N6992N](https://openairdocs.org/deregistered/N6992N-2011-05-02), registration cancelled 2011-05-02, S/N 18504321, built 1981 (OpenAirDocs)
- Reported make and model: CESSNA 185
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18504321
- Airframe hours: 926
- Engines: Continental IO-520-D 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Gary W. Archer
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, April 19, 1986, 34 hours before
- Departed: ANC, ANCHORAGE, AK
- Airport: SKW, Skwentna, runway 9, 2,900 × 150 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; commercial; airplane ratings: single-engine sea, single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 4,000 total, 250 in this make and model, 3,900 as pilot in command, 60 in the last 90 days, 30 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 4 knots
- Visibility: 12 statute miles
- Lowest ceiling: 2,000 ft broken
- Temperature: 21 °F, dew point 19 °F
- Altimeter: 30.00 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 19861203063999A](https://openairdocs.org/incident/19861203063999A), Dec 3, 1986: Cessna A185F, Skwentna, AK, Substantial damage. The aircraft nosed over on landing. The pilot reported the left brake locked. Brake was frozen at touchdown.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.