Amateur-built IV accident near Grenaa, Dk, May 12, 2017
On May 12, 2017 at about 6:35 am local time, a amateur-built IV, registered SEXRU, was substantially damaged in an accident during enroute near Grenaa (Grenaa Airfield). It was a personal flight under non-U.S. private rules. No one was hurt; 2 people were on board or involved.
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
- May 12, 2017 · about 6:35 am local time
- Place
- Grenaa, Denmark · Grenaa Airfield
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- not recorded
- Aircraft
- Amateur-built IV P
- Registration
- SEXRU · no longer on the register
- Damage
- Substantial damage
- Flight
- Personal flight · non-U.S. private rules
The NTSB's narrative preliminary · quoted from the NTSB record
On May 12, 2017, about 0635 coordinated universal time, a Lancair IV P airplane, Swiss registration SE-XRU, was substantially damaged when it impacted terrain near Grenaa, Denmark. The airplane was registered to and operated by a private individual as a non-commercial cross country flight. The pilot and one passenger were not injured. Visual meteorological conditions prevailed at the time of the accident. The flight originated from Aarhus Airport (EKAH), Tirstrup, Denmark. The accident investigation is under the jurisdiction and control of the Danish government. This report is for informational purposes only and contains only information released by or obtained from the Accident Investigation Board of Denmark. Further information pertaining to this accident may be obtained from: Accident Investigation Board Langebjergvaenget 21 DK-4000 Roskilde Denmark www.aib.dk
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
- Loss of engine power (partial) during enroute defining event
The aircraft
- Landing gear: fixed
- Engine: Continental Motors TSIO-550-B (piston); 0 hours total
The flight
- Departed from: EKAH Tirstrup
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 1 |
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.