# N2491Z: Machir Daniel F CHALLENGER II STANDA

- Status: Valid registration
- Airframe: [Machir Daniel F CHALLENGER II STANDA](https://openairdocs.org/model/machir-daniel-f-challenger-ii-standa) (registry code 05902EJ, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-1195-B-1423
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: August 24, 2007
- Certificate issued: October 6, 2023
- Expires: October 31, 2030
- Mode S code: A25401
- Registered owner: [Warren David E](https://openairdocs.org/faa-owner/WARREN%20DAVID%20E)
- Location: [Chillicothe, MO](https://openairdocs.org/faa-place/MO/Chillicothe)
- Owner type: Individual
- Owner's area on the map: 39.8054° N, 93.5791° W: Placed by OpenAirDocs at the center of ZIP code 64601, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2491Z
- Page: https://openairdocs.org/aircraft/N2491Z

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 (Machir Daniel F CHALLENGER II STANDA)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N2491Z.

## FAA accident and incident reports

None matched to N2491Z.

## 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 N2491Z

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N2491Z before.

- [Cancelled 1989-10-31](https://openairdocs.org/deregistered/N2491Z-1989-10-31): General Balloon AX-6, S/N 491. Owner: [Moss James L](https://openairdocs.org/faa-owner/MOSS%20JAMES%20L), [Fountain Valley, CA](https://openairdocs.org/faa-place/CA/Fountain%20Valley)

## Related

- Other Machir Daniel F CHALLENGER II STANDA aircraft: https://openairdocs.org/model/machir-daniel-f-challenger-ii-standa/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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