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Accidents · NTSB ANC95TA068 · Final report

Piper PA-18-160 accident near Tyonek, Alaska, June 4, 1995

On June 4, 1995 at about 5:45 pm local time, a Piper PA-18-160, registered N2400S, was substantially damaged in an accident near Tyonek, Alaska. It was a public-use flight under public-use (government) rules. No one was hurt; 2 people were 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/TAKEOFF. FACTORS ASSOCIATED WITH THE ACCIDENT ARE THE LONG AND WET GRASS COVERING THE UNIMPROVED TAKEOFF AREA.

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

What the record shows

Date
June 4, 1995 · about 5:45 pm local time
Place
Tyonek, Alaska · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-18-160 · all PA-18-160s on the register
Registration
N2400S · registry record · serial 18-7909144
Damage
Substantial damage
Flight
Public-use flight · public-use (government) rules

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

THE ALASKA STATE TROOPER PILOT LANDED AT AN OFF AIRPORT SITE ADJACENT TO A RIVER TO APPREHEND AN APPARENT VIOLATOR OF THE STATE'S FISH AND GAME LAWS. THE LANDING SITE WAS COVERED WITH LONG GRASS AND POCKETS OF WATER. FOLLOWING THE ENFORCEMENT ACTION, THE PILOT ATTEMPTED TO TAKEOFF FROM THE APPROXIMATELY 1,200' LONG 'STRIP'. THE AIRPLANE FAILED TO BECOME AIRBORNE PRIOR TO REACHING AN AREA OF TALLER GRASS AND DEEPER WATER, AND THE PILOT ELECTED TO ABORT THE TAKEOFF. THE AIRPLANE SUBSEQUENTLY GROUND-LOOPED AND NOSED DOWN. NO PRETAKEOFF MECHANICAL ANOMALIES WERE CLAIMED OR DISCOVERED.

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: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 270 hours in all; 59 in this make and model; 37 in the last 90 days; 21 in the last 30 days; 192 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: frt

The aircraft

  • Airframe total time: 2,325 hours
  • Last inspection: annual inspection, October 4, 1994; 48 hours since
  • Maximum gross weight: 1,750 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-320-B2B (piston); 0 hours total

The flight

  • Destination: Z41 Anchorage AK
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 170° at 5 knots, gusting 8
  • Visibility: 25 statute miles
  • Sky: overcast at 10,000 ft; not recorded
  • Temperature: 50°F (10°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.

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.