# N25440: 2007 Collins Gary CHALLENGER II

- Status: Valid registration
- Airframe: [Collins Gary CHALLENGER II](https://openairdocs.org/model/collins-gary-challenger-ii) (registry code 05613O7, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: CH2-1106-2772
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: July 2, 2007
- Certificate issued: February 3, 2010
- Expires: July 31, 2029
- Mode S code: A26957
- Registered owner: [Loeffelholz John R](https://openairdocs.org/faa-owner/LOEFFELHOLZ%20JOHN%20R)
- Location: [Yukon, OK](https://openairdocs.org/faa-place/OK/Yukon)
- Owner type: Individual
- Owner's area on the map: 35.5184° N, 97.7662° W: Placed by OpenAirDocs at the center of ZIP code 73099, 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=25440
- Page: https://openairdocs.org/aircraft/N25440

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 (Collins Gary CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N25440.

## FAA accident and incident reports

None matched to N25440.

## 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 N25440

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N25440 before.

- [Cancelled 2003-10-24](https://openairdocs.org/deregistered/N25440-2003-10-24): Cessna 152, S/N 15280660, built 1977. Exported to Panama. Owner: [Cable Marilyn R Co-Trustee](https://openairdocs.org/faa-owner/CABLE%20MARILYN%20R%20CO-TRUSTEE), [Claremont, CA](https://openairdocs.org/faa-place/CA/Claremont)
- [Cancelled 1951-01-18](https://openairdocs.org/deregistered/N25440-1951-01-18): Porterfield CP-50, S/N 610, built 1940. Owner: [Lamb D B](https://openairdocs.org/faa-owner/LAMB%20D%20B), [Kemah, TX](https://openairdocs.org/faa-place/TX/Kemah)

## Related

- Other Collins Gary CHALLENGER II aircraft: https://openairdocs.org/model/collins-gary-challenger-ii/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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