The U.S. aircraft register, updated daily
Accidents · NTSB CEN17WA360 · Preliminary: the investigation is not finished

Amateur-built RV4 accident near Stafsberg, No, September 19, 2017

On September 19, 2017 at about 2:50 pm local time, a amateur-built RV4, registered LNABF, was destroyed in an accident during approach (VFR pattern final) near Stafsberg. 2 people were killed. 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
September 19, 2017 · about 2:50 pm local time
Place
Stafsberg, Norway · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built RV4
Registration
LNABF · no longer on the register · serial 1485
Damage
Destroyed
Flight
Flight

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

On September 19, 2017, at 1450 UTC, a Vans Aircraft RV-4, experimental, amateur-built airplane, Norwegian registration LN-ABF, impacted terrain near the Hamar Airport (ENHA), Stafsberg, Norway. The pilot and passenger on board were fatally injured and the airplane was destroyed. The airplane was owned and operated by a private individual. Visual meteorological conditions prevailed for the local, personal flight that originated at ENHA.The airplane was making an approach to runway 15. At an altitude of approximately 400 ft. the airplane departed controlled flight and entered a right-hand spin to the ground. This investigation is under the jurisdiction and control of the Norwegian government. Any further information may be obtained from: Accident Investigation Board, Norway Sophie Radichsvei 17 2003 Lillestrom Norway Telephone: +47 63 89 63 00 Facsimile: +47 63 89 63 01 E-mail: post@aibn.no This report is for informational purposes only and contains only information released by, or obtained from, the Accident Investigation Board of Norway.

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

What happened, in order

  1. Loss of control in flight during approach (VFR pattern final) defining event

The aircraft

  • Landing gear: fixed

Weather at the time

  • Light: daylight
  • Wind: at 3 knots
  • Temperature: 54°F (12°C), dew point 39°F (4°C)
  • Altimeter: 29.88 inHg
  • Observation at 2:50 pm from ENGM

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.