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Accidents · NTSB ANC83LA132 · Preliminary: the investigation is not finished

Cessna A185E accident near Tyonek, Alaska, July 25, 1983

On July 25, 1983 at about 9:00 pm local time, a Cessna A185E, registered N4535F, was substantially damaged in an accident near Tyonek, Alaska. It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 3 others were unhurt. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

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

What the record shows

Date
July 25, 1983 · about 9:00 pm local time
Place
Tyonek, Alaska · map
Type
Accident
Injuries
1 person had minor injuries; 3 others were unhurt.
Weather
visual conditions (good weather)
Aircraft
Cessna A185E · all A185Es on the register
Registration
N4535F · registry record · serial 185-1021
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

ACCORDING TO THE PILOT, DURING TAKEOFF AT ROTATION THE FLOATS STRUCK A SANDBAR. HE LOST CONTROL OF THE AIRCRAFT AND IT NOSED OVER IN THE WATER.

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
  • Medical certificate: Class 2 (expired)
  • Seat: left

The aircraft

  • Last inspection: inspection type not recorded
  • Maximum gross weight: 3,300 lb
  • Seats: 6
  • Landing gear: fixed
  • Engine: Continental IO-520-D (piston); 0 hours total
  • Operator: Executive Air Float Club

The flight

  • Destination: Z41 Anchorage AK
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: at 3 knots, gusting 5
  • Visibility: 60 statute miles
  • Sky: scat at 8,000 ft
  • Temperature: 57°F (14°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers3

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 N4535F the same tail number, which may have belonged to a different aircraft at the time

1998-02-24ANC98LA017 · accident near Anchorage, 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.