# N154MB: 1995 Quad City Ultralight Acft CHALLENGER I

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CHALLENGER I](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-i) (registry code 05901S5, 1 seats)
- Engine: [Rotax 447](https://openairdocs.org/engine/rotax-447) (registry code 55576)
- Serial number: 02950542
- Year built: 1995
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: October 13, 2007
- Certificate issued: July 15, 2008
- Expires: December 31, 2027
- Mode S code: A0DA20
- Registered owner: [Randall Howard A](https://openairdocs.org/faa-owner/RANDALL%20HOWARD%20A)
- Location: [Belvidere, IL](https://openairdocs.org/faa-place/IL/Belvidere)
- Owner type: Individual
- Owner's area on the map: 42.2459° N, 88.8399° W: Placed by OpenAirDocs at the center of ZIP code 61008, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=154MB
- Page: https://openairdocs.org/aircraft/N154MB

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 (Quad City Ultralight Acft CHALLENGER I)

None in force.

### Matched by engine (Rotax 447)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N154MB.

## FAA accident and incident reports

None matched to N154MB.

## 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 Quad City Ultralight Acft CHALLENGER I aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-i/aircraft.md
- The Rotax 447 engine: https://openairdocs.org/engine/rotax-447.md

---
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.
