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Accidents · NTSB ANC91LA151 · Final report

Cessna A185F accident near Koliganek, Alaska, September 23, 1991

On September 23, 1991 at about 7:00 pm local time, a Cessna A185F, registered N21753, was substantially damaged in an accident near Koliganek, Alaska. It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 1 person was seriously injured; 2 others were unhurt. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT'S FAILURE TO MAINTAIN AIRSPEED. CONTRIBUTING TO THE ACCIDENT WAS THE UNFAVORABLE WIND CONDITIONS.

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

What the record shows

Date
September 23, 1991 · about 7:00 pm local time
Place
Koliganek, Alaska · map
Type
Accident
Injuries
1 person was seriously injured; 2 others were unhurt.
Weather
visual conditions (good weather)
Aircraft
Cessna A185F · all A185Fs on the register
Registration
N21753 · registry record · serial 18503066
Damage
Substantial damage
Flight
Flight of an unrecorded kind · charter and air-taxi rules (Part 135)

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

THE PILOT REPORTED THAT JUST AFTER LIFTOFF FROM THE WATER, HE ENCOUNTERED A CHANGING WIND CONDITION THAT CAUSED THE AIRPLANE TO SETTLE BACK ONTO THE WATER. WITH INSUFFICIENT STOPPING ROOM ON THE LAKE, HE JERKED THE AIRPLANE BACK INTO THE AIR IN ORDER TO CLEAR THE 4 TO 6 FOOT HIGH SHORELINE. THE AIRPLANE THEN SETTLED TO THE GROUND AND NOSED OVER ABOUT 40 YARDS FROM THE LAKE.

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; single-engine sea; instrument: airplane
  • Flight time: 2,933 hours in all; 700 in this make and model; 102 in the last 90 days; 83 in the last 30 days; 2,838 as pilot in command
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,120 hours
  • Last inspection: annual inspection, August 14, 1991; 82 hours since
  • Maximum gross weight: 3,320 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Continental IO-520-F (piston); 0 hours total

The flight

  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 120° at 15 knots
  • Visibility: 35 statute miles
  • Sky: overcast at 3,500 ft; not recorded
  • Temperature: 50°F (10°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers11

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 N21753 the same tail number, which may have belonged to a different aircraft at the time

1982-09-23ANC82DA097 · accident near Near Barrow, 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.