The U.S. aircraft register, updated daily
Accidents · NTSB ANC05CA019 · Final report

Cessna U206G accident near Illiamna, Alaska, December 24, 2004

On December 24, 2004 at about 3:40 pm local time, a Cessna U206G, registered N9909Z, was substantially damaged in an accident near Illiamna, Alaska (Illiamna airport). It was a positioning 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 inadequate compensation for the gusty wind conditions, which resulted in a loss of control, and the airplane nosing over. A factor contributing to the accident was the gusty wind condition.

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

What the record shows

Date
December 24, 2004 · about 3:40 pm local time
Place
Illiamna, Alaska · Illiamna · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna U206G · all U206Gs on the register
Registration
N9909Z · registry record · serial U20606740
Damage
Substantial damage
Flight
Positioning flight · general aviation rules (Part 91)

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

The solo commercial pilot was taxiing for takeoff in gusty wind conditions. He said as he turned the airplane abeam the wind, a strong gust lifted the left wing, and rolled the airplane upside down.

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

Pilot

  • Certificate: commercial pilot
  • Ratings: single-engine land; instrument: airplane
  • Flight time: 1,580 hours in all; 900 in this make and model; 90 in the last 90 days; 40 in the last 30 days
  • Medical certificate: Class 2
  • Injury: no injuries

The aircraft

  • Landing gear: fixed
  • Engine: Continental IO-520 (piston); 0 hours total

The flight

  • Departed from: ILI Illiamna AK
  • Destination: AK51 Port Alsworth AK
  • Runway 35

Weather at the time

  • Light: daylight
  • Wind: from 310° at 21 knots, gusting 32
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

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

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Other NTSB records under N9909Z the same tail number, which may have belonged to a different aircraft at the time

1992-04-02ANC92LA057 · accident near Kotzebue, AK · substantial damage · no injuries

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.