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Accidents · NTSB ANC23LA086 · Final report

Cessna 182K accident near Trimble River Valley, Alaska, September 24, 2023

On September 24, 2023 at about 5:30 pm local time, a 1967 Cessna 182K, registered N2586R, was substantially damaged in an accident during landing (landing roll) near Trimble River Valley, Alaska (Trimble River airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The pilot’s selection of unsuitable terrain for landing, which resulted in the left main landing gear (MLG) tire impacting a rock, resulting in the separation of the MLG wheel, and the subsequent loss of directional control.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
September 24, 2023 · about 5:30 pm local time
Place
Trimble River Valley, Alaska · Trimble River · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 182K, built 1967 · all 182Ks on the register
Registration
N2586R · no longer on the register · serial 18258286
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot reported that he was landing at a remote off airport site. After touchdown, the left main landing gear contacted a large rock resulting in the left wheel separating from the main landing gear. Subsequently, the airplane veered left, nosed down, and both wings struck the ground resulting in substantial damage. The pilot reported that there were no pre-accident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Collision with terrain or object (not controlled flight into terrain) during landing (landing roll) defining event
  2. Loss of control on ground during landing (landing roll)

The NTSB's findings

  • Personnel issues › Action/decision › Info processing/decision › Decision making/judgment › Pilot
  • Environmental issues › Physical environment › Runway/land/takeoff/taxi surface › (general) › Decision related to condition
  • Environmental issues › Physical environment › Object/animal/substance › Debris/dirt/foreign object › Effect on operation

Pilot

  • Certificate: airline transport pilot, flight engineer
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 18,500 hours in all; 400 in this make and model; 120 in the last 90 days; 45 in the last 30 days; 13,500 as pilot in command
  • Last flight review: April 21, 2023
  • Medical certificate: Class 1 (with waivers/limitations)
  • Seat: left
  • Injury: no injuries

The aircraft

  • Last inspection: annual inspection
  • Maximum gross weight: 2,800 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Continental O-470R25 (piston); 3,082 hours total

The flight

  • Departed from: Lower Trimble River Valley AK at 5:00 pm
  • Flight plan: none
  • Runway N/A, 1,200 ft by 50 ft

Weather at the time

  • Light: daylight
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 45°F (7°C), dew point 37°F (3°C)
  • Altimeter: 29.79 inHg
  • Observation at 9:56 am from PAWS, 75 miles away

Weather report (METAR): PAWS 241756Z AUTO 00000KT 10SM CLR 07/03 A2979 RMK AO2 SLP094 T00670033 10067 20033 53010

Injuries

FatalSeriousMinorNone
Flight crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

2 documents, released by the NTSB on April 4, 2024. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

#DocumentWhat it is
1 Pilot/operator Aircraft Accident Report, NTSB Form 6120.1 PDF, 11 pages View Download
2 Photos PDF, 3 pages View Download

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.