# N198RM: Crawford William R CHALLENGER II

- Status: Valid registration
- Airframe: [Crawford William R CHALLENGER II](https://openairdocs.org/model/crawford-william-r-challenger-ii) (registry code 05625S4, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH21193-1051
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 27, 1994
- Certificate issued: July 17, 2024
- Expires: July 31, 2031
- Mode S code: A18766
- Registered owner: [Thompson Matt W](https://openairdocs.org/faa-owner/THOMPSON%20MATT%20W)
- Location: [Shawnee, KS](https://openairdocs.org/faa-place/KS/Shawnee)
- Owner type: Individual
- Owner's area on the map: 39.0310° N, 94.8612° W: Placed by OpenAirDocs at the center of ZIP code 66226, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=198RM
- Page: https://openairdocs.org/aircraft/N198RM

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.

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

### Matched by airframe (Crawford William R CHALLENGER II)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N198RM.

## FAA accident and incident reports

None matched to N198RM.

## 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.

## Earlier aircraft with N198RM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N198RM before.

- [Cancelled 2005-02-03](https://openairdocs.org/deregistered/N198RM-2005-02-03): Mcdonnell Douglas Helicopter 500N, S/N LN027, built 1992. Exported to New Zealand. Owner: [Corbett Aviation Inc](https://openairdocs.org/faa-owner/CORBETT%20AVIATION%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

## Related

- Other Crawford William R CHALLENGER II aircraft: https://openairdocs.org/model/crawford-william-r-challenger-ii/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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