# N9912S: 2011 Evolution Trikes REVO

- Status: Valid registration
- Airframe: [Evolution Trikes REVO](https://openairdocs.org/model/evolution-trikes-revo) (registry code 060007T, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 1002
- Year built: 2011
- Type: Weight-shift-control
- Engine type: 4 cycle
- Airworthiness: Light sport, weight-shift control
- Airworthiness date: February 7, 2011
- Certificate issued: February 6, 2017
- Expires: February 28, 2030
- Mode S code: ADD909
- Registered owner: [Shoaf Curtis R](https://openairdocs.org/faa-owner/SHOAF%20CURTIS%20R)
- Location: [Watseka, IL](https://openairdocs.org/faa-place/IL/Watseka)
- Owner type: Individual
- Owner's area on the map: 40.7939° N, 87.7413° W: Placed by OpenAirDocs at the center of ZIP code 60970, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9912S
- Page: https://openairdocs.org/aircraft/N9912S

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Rotax 912ULS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Evolution Trikes REVO)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (2)

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 CEN16LA263](https://openairdocs.org/ntsb/CEN16LA263), Jul 9, 2016: Evolution Trikes Revo (N9912S), Newark, IL, substantial damage, 1 fatal. Probable cause: The student pilot's failure to maintain directional control on landing. Contributing to the accident was the pilot's lack of flight experience.
- [NTSB ERA14CA262](https://openairdocs.org/ntsb/ERA14CA262), May 25, 2014: Evolution Trikes Revo (N9912S), Williamsburg, VA, substantial damage. Probable cause: The pilot's failure to maintain airspeed while maneuvering at low altitude, which resulted in an aerodynamic stall and impact with water.

## FAA accident and incident reports (2)

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.

- [Accident 20160709006809A](https://openairdocs.org/incident/20160709006809A), Jul 9, 2016: Evolution Trikes REVO (N9912S), Newark, IL, Substantial damage, 1 fatal. On July 9, 2016 at approximately 0744 local time, N9912S, a light sport weight-shift-control aircraft was substantially damaged in an accident on landing…
- [Accident 20140524006889A](https://openairdocs.org/incident/20140524006889A), May 24, 2014: Evolution Trikes REVO (N9912S), Williamsburg, VA, Substantial damage. Pilot slowed aircraft for photo opportunity and lowered elevation. Aircraft began to stall and pilot attempted to add power. Pilot was unable to recover full…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Evolution Trikes REVO aircraft: https://openairdocs.org/model/evolution-trikes-revo/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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