# Accident 20220729013599A: Hulse Steven T SONEX, Prescott, WI, July 29, 2022

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 29, 2022, 04:52 local time
- Place: Prescott, WI
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 44.8216° N, 92.6449° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=44.8216&lon=-92.6449&mi=10
- Aircraft: N1557S, a cancelled registration (https://openairdocs.org/deregistered/N1557S-2024-03-02) (OpenAirDocs)
- Registry model: Hulse Steven T SONEX (registry code 05639IK, https://openairdocs.org/model/hulse-steven-t-sonex) (OpenAirDocs)
- Registry engine: Revmaster R-2300 (registry code 52554, https://openairdocs.org/engine/revmaster-r-2300) (OpenAirDocs)
- Reported make and model: HULSE STEVEN T SONEX
- Reported engine: REVMASTER R-2300
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Private pilot
- Pilot flight hours: 200 total
- NTSB investigation: [NTSB CEN22LA353](https://openairdocs.org/ntsb/CEN22LA353) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20220729013599A

## Narrative

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

THE PIC TOOK OFF FROM SOUTH ST PAUL MUNICIPAL AIRPORT (KSGS) AT 0530 01/29/2022.  THE AIRCRAFT WAS A NEWLY CONSTRUCTED EXPERIMENTAL AMATEUR BUILT AIRCRAFT STILL IN PHASE 1 FLIGHT TESTING. THE MISSION FOR THE FLIGHT WAS TO IDENTIFY A RIGHT WING HEAVY CONDITION. THE PIC FLEW SOUTH TOWARDS RED WING MN, ONCE HE HAD THE INFORMATION THE PIC TURNED BACK TOWARDS KSGS. WHILE FLYING AT ABOUT 2700 FEET (1700 AGL) THE ENGINE QUIT RUNNING. THE PIC ATTEMPTED TO RESTART THE ENGINE BUT WAS UNSUCCESSFUL.  AN EMERGENCY LANDING SPOT WAS CHOSEN IN A CORN FIELD HOWEVER THE PIC WAS UNABLE TO REACH THE CORN FIELD AND TOUCHED DOWN ON PIERCE COUNTY ROAD E SLIDING ACROSS WISCONSIN STATE HIGHWAY 35 AND COMING TO REST IN A DITCH ON THE WEST SIDE OF THE HIGHWAY. THE PIC SUSTAINED SERIOUS INJURIES, HE WAS EXTRACTED FROM THE AIRCRAFT AND TRANSPORTED TO THE HOSPITAL. THE AIRCRAFT DAMAGE WAS DETERMINED TO BE SUBSTANTIAL. POST-ACCIDENT ENGINE EXAMINATION WAS PERFORMED AT STORAGE FACILITY, ENGINE APPEARED TO BE IN OPERATIONAL CONDITION WITH NO APPARENT CAUSE FOR THE ENGINE FAILURE. MVP50P ENGINE MONITOR REMOVED FROM AIRCRAFT AND SENT TO NTSB LAB FOR DATA EXTRACTION.

## 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 CEN22LA353](https://openairdocs.org/ntsb/CEN22LA353), Jul 29, 2022: Sonex Sonex (N1557S), River Falls, WI, substantial damage. Probable cause: The pilot’s improper fuel planning, which resulted in a total loss of engine power due to 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.

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