# N138NA: 2000 Quad City Ultralight Acft CHALLENGER II

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CHALLENGER II](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii) (registry code 059010Q, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: CH2-0698-1760
- Year built: 2000
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: October 1, 2008
- Certificate issued: April 25, 2024
- Expires: April 30, 2031
- Mode S code: A09A16
- Registered owner: [Bossert Gerald R](https://openairdocs.org/faa-owner/BOSSERT%20GERALD%20R)
- Location: [Gulf Breeze, FL](https://openairdocs.org/faa-place/FL/Gulf%20Breeze)
- Owner type: Individual
- Owner's area on the map: 30.3909° N, 87.0248° W: Placed by OpenAirDocs at the center of ZIP code 32563, 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=138NA
- Page: https://openairdocs.org/aircraft/N138NA

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 503 model are included.

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

### Matched by airframe (Quad City Ultralight Acft CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N138NA.

## FAA accident and incident reports

None matched to N138NA.

## 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 N138NA

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N138NA before.

- [Cancelled 1988-03-11](https://openairdocs.org/deregistered/N138NA-1988-03-11): North American T-28B, S/N 138278. N-number assigned, not yet registered

## Related

- Other Quad City Ultralight Acft CHALLENGER II aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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