The U.S. aircraft register, updated daily
Accidents · NTSB GAA22WA231 · Preliminary: the investigation is not finished

Amateur-built UC-1 accident near Lake Siljan, SE, July 18, 2022

On July 18, 2022 at about 2:14 pm local time, a 1987 amateur-built UC-1, registered N747HJ, was involved in an accident near Lake Siljan. It was flown under foreign airline rules (Part 129). 2 people were killed.

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 18, 2022 · about 2:14 pm local time
Place
Lake Siljan, Sweden
Type
Accident
Injuries
2 people were killed.
Weather
not recorded
Aircraft
Amateur-built UC-1, built 1987
Registration
N747HJ · no longer on the register · serial 024
Damage
Damage not recorded
Flight
Flight · foreign airline rules (Part 129)

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Unknown or undetermined during unknown defining event

The aircraft

  • Seats: 4
  • Landing gear: fixed
  • Not recorded

Weather at the time

  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Flight crew1
Passengers1

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

The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check 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.