# NTSB CEN17WA360: Vans RV4, Stafsberg, Norway, September 19, 2017

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: September 19, 2017, 14:50 local (14:50 UTC)
- Place: Stafsberg, Norway
- Coordinates: 60.816665, 11.066666 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=60.8167&lon=11.0667&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Defining event: [Approach-VFR pattern final: Loss of control in flight](https://openairdocs.org/ntsb-events/240)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 96049
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN17WA360
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/96049/pdf
- Page: https://openairdocs.org/ntsb/CEN17WA360

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Approach-VFR pattern final: Loss of control in flight](https://openairdocs.org/ntsb-events/240) (defining event); cases with it: [All aircraft, 5,002 cases](https://openairdocs.org/ntsb-events/240/sequence.md)

## Factual narrative

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.

## Aircraft

- Registration: LN-ABF (not matched to a registry record)
- Reported make and model: VANS RV4
- Category: Airplane, amateur-built
- Serial number: 1485
- Damage: Destroyed

## Weather

- Conditions: Visual (VMC), Day
- Wind: variable at 3 knots
- Lowest ceiling: none
- Temperature: 54 °F, dew point 39 °F
- Altimeter: 29.88 inHg
- Observed at: ENGM

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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