# Accident 20180531006429A: Sorensen Danny S BF9-2, Evanston, WY, May 31, 2018

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 31, 2018, 17:00 local time
- Place: Evanston, WY
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 41.2542° N, 110.9997° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.2542&lon=-110.9997&mi=10
- Aircraft: N81973, registered now (https://openairdocs.org/aircraft/N81973) (OpenAirDocs)
- Registry model: Sorensen Danny S BF9-2 (registry code 05622UI, https://openairdocs.org/model/sorensen-danny-s-bf9-2) (OpenAirDocs)
- Registry engine: Vedeneyev M14P (registry code 63601, https://openairdocs.org/engine/vedeneyev-m14p) (OpenAirDocs)
- Reported make and model: SORENSEN DANNY S BF9-2
- Reported engine: VENDENYEV M14P
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 2,016 total, 312 in this make and model, 33 in the last 90 days
- NTSB investigation: [NTSB GAA18CA330](https://openairdocs.org/ntsb/GAA18CA330) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20180531006429A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON 5/31/2018 AT 1700 MST, AIRCRAFT N81973 HAD DESCENDED ONTO I-80 HEADING WESTBOUND JUST EAST OF EVANSTON, WY.  THE AIRCRAFT STRUCK THE SLEEPER CAB OF A MOVING SEMI-TRUCK HEADING IN THE SAME DIRECTION AND WAS THROWN OFF THE HIGHWAY TO THE RIGHT.  THE AIRCRAFT NOSED DOWN AND FLIPPED OVER COMING TO REST UPSIDE DOWN.  THERE WAS ONE PERSON ON BOARD THE AIRCRAFT WITH NO INJURIES.

## The NTSB's investigation of this event (1)

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.

- [NTSB GAA18CA330](https://openairdocs.org/ntsb/GAA18CA330), May 31, 2018: Sorensen Danny S BF9 2 (N81973), Evanston, WY, substantial damage. Probable cause: The pilot’s failure to fuel the biplane’s main fuel tank before the flight and his inadequate preflight inspection, during which he did not verify the fuel quantity, which resulted in fuel exhaustion

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.