# N3638D: 1997 Maler Carl J CHALLENGER II

- Status: Valid registration
- Airframe: [Maler Carl J CHALLENGER II](https://openairdocs.org/model/maler-carl-j-challenger-ii) (registry code 05903K1, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-0497-CW-1605
- Year built: 1997
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 24, 2010
- Certificate issued: August 22, 2020
- Expires: August 31, 2027
- Mode S code: A41AE5
- Registered owner: [Falcone Tony J](https://openairdocs.org/faa-owner/FALCONE%20TONY%20J)
- Location: [Thousand Oaks, CA](https://openairdocs.org/faa-place/CA/Thousand%20Oaks)
- Owner type: Individual
- Owner's area on the map: 34.2129° N, 118.8733° W: Placed by OpenAirDocs at the center of ZIP code 91360, 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=3638D
- Page: https://openairdocs.org/aircraft/N3638D

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 (Maler Carl J CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N3638D.

## FAA accident and incident reports

None matched to N3638D.

## 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 N3638D

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N3638D before.

- [Cancelled 2002-01-10](https://openairdocs.org/deregistered/N3638D-2002-01-10): Balloon Works FIREFLY 7, S/N F7-178, built 1984. Second triennial mailing, no response. Owner: [Tron David F](https://openairdocs.org/faa-owner/TRON%20DAVID%20F), [Troutman, NC](https://openairdocs.org/faa-place/NC/Troutman)

## Related

- Other Maler Carl J CHALLENGER II aircraft: https://openairdocs.org/model/maler-carl-j-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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