# NTSB ANC86LA110: Cessna 180, N6455X, Skwentna, AK, July 11, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 11, 1986, 11:00 local (19:00 UTC)
- Place: Skwentna, AK
- Coordinates: 61.929897, -151.730468 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.9299&lon=-151.7305&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): 4704
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA110
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4704/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA110

## Sequence of events

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

- Nose over, landing - flare/touchdown
  - checklist - not followed, pilot in command (cause)
  - wheels down landing in water - continued, pilot in command (cause)
  - wheels down landing in water - inattentive, pilot in command (cause)

## Analysis

THE PLT STATED THAT HE LANDED IN THE WATER WITH THE LANDING GEAR ON THE FLOATS IN THE DOWN AND LOCKED POSITION. THE ACFT NOSED OVER IN THE WATER ON TOUCHDOWN. THE PLT STATED HE FAILED TO USE A BEFORE LANDING CHECKLIST.

## Aircraft

- Registration: [N6455X](https://openairdocs.org/aircraft/N6455X), registered now, S/N 18050955, built 1961 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180D](https://openairdocs.org/model/cessna-180d) (registry code 2072610) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18050955
- Airframe hours: 2200
- Engines: CONTINENTAL O-470-R 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Charles A. Akers
- Airworthiness certificate: Standard, Normal
- Departed: PAQ, PALMER, AK
- Destination: SKWENTNA, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; commercial; airplane ratings: single-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 1,425 total, 810 in this make and model, 1,330 as pilot in command, 95 in the last 90 days, 10 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point 50 °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 19860711037549A](https://openairdocs.org/incident/19860711037549A), Jul 11, 1986: Cessna 180D, Skwentna, AK, Substantial damage. Pilot failed to check wheels up prior to landing amphibian aircraft. Aircraft flipped over on water landing.

## Other investigations on N6455X (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 WPR22LA326](https://openairdocs.org/ntsb/WPR22LA326), Aug 23, 2022: Cessna 180 (N6455X), Egegik, AK, substantial damage. Probable cause: The pilot's failure to maintain directional control during takeoff from a lake.

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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