# N56839: 1996 Colstrup Dennis J CHALLENGER I

- Status: Valid registration
- Airframe: [Colstrup Dennis J CHALLENGER I](https://openairdocs.org/model/colstrup-dennis-j-challenger-i) (registry code 0590398, 1 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: C-9-94-1
- Year built: 1996
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: December 15, 2007
- Certificate issued: October 18, 2007
- Expires: July 31, 2028
- Mode S code: A74785
- Registered owner: [Colstrup Dennis J](https://openairdocs.org/faa-owner/COLSTRUP%20DENNIS%20J)
- Location: [Albert Lea, MN](https://openairdocs.org/faa-place/MN/Albert%20Lea)
- Owner type: Individual
- Owner's area on the map: 43.6609° N, 93.3246° W: Placed by OpenAirDocs at the center of ZIP code 56007, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56839
- Page: https://openairdocs.org/aircraft/N56839

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 (Colstrup Dennis J CHALLENGER I)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N56839.

## FAA accident and incident reports

None matched to N56839.

## 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 N56839

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N56839 before.

- [Cancelled 2004-10-05](https://openairdocs.org/deregistered/N56839-2004-10-05): Raven S55A, S/N S55A-518, built 1979. Second triennial mailing, no response. Owner: [Hamman Donald E DBA](https://openairdocs.org/faa-owner/HAMMAN%20DONALD%20E%20DBA), [Terra Bella, CA](https://openairdocs.org/faa-place/CA/Terra%20Bella)

## Related

- Other Colstrup Dennis J CHALLENGER I aircraft: https://openairdocs.org/model/colstrup-dennis-j-challenger-i/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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