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Accidents · NTSB ANC90LA127 · Final report

Piper PA-12 accident near Kustatan River, Alaska, July 29, 1990

On July 29, 1990 at about 10:30 pm local time, a Piper PA-12, registered N98994, was substantially damaged in an accident near Kustatan River, Alaska. It was a personal flight under general aviation rules (Part 91). 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 SELECTED UNSUITABLE TERRAIN FOR LANDING. THE TERRAIN WAS A CONTRIBUTING FACTOR.

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

What the record shows

Date
July 29, 1990 · about 10:30 pm local time
Place
Kustatan River, Alaska
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-12 · all PA-12s on the register
Registration
N98994 · registry record · serial 12352
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

DURING THE LANDING ROLLOUT ON A GRAVEL BAR THE AIRPLANE NOSED OVER.

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: private
  • Ratings: single-engine land
  • Flight time: 1,258 hours in all; 552 in this make and model; 55 in the last 90 days; 39 in the last 30 days; 1,231 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Airframe total time: 2,989 hours
  • Last inspection: annual inspection, April 27, 1990; 51 hours since
  • Maximum gross weight: 1,750 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-320 (piston); 0 hours total

The flight

  • Departed from: MRI Anchorage AK
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 30 statute miles
  • Sky: scat at 1,500 ft
  • Temperature: 61°F (16°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg

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.