# N23826: 2002 Airborne REDBACK

- Status: Valid registration
- Airframe: [Airborne REDBACK](https://openairdocs.org/model/airborne-redback) (registry code 05901OI, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: 503-777
- Year built: 2002
- Type: Weight-shift-control
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: October 16, 2007
- Certificate issued: September 11, 2007
- Expires: July 31, 2028
- Mode S code: A228F5
- Registered owner: [Mortensen Willard A](https://openairdocs.org/faa-owner/MORTENSEN%20WILLARD%20A)
- Location: [Dover, PA](https://openairdocs.org/faa-place/PA/Dover)
- Owner type: Individual
- Owner's area on the map: 40.0138° N, 76.8687° W: Placed by OpenAirDocs at the center of ZIP code 17315, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23826
- Page: https://openairdocs.org/aircraft/N23826

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 (Airborne REDBACK)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N23826.

## FAA accident and incident reports

None matched to N23826.

## 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 N23826

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N23826 before.

- [Cancelled 2005-06-16](https://openairdocs.org/deregistered/N23826-2005-06-16): Beech B19, S/N MB-875, built 1978. Exported to Canada. Owner: [None, OK](https://openairdocs.org/faa-place/OK/None)

## Related

- Other Airborne REDBACK aircraft: https://openairdocs.org/model/airborne-redback/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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