# N3727: 2019 Tom Karr EXCALIBUR

- Status: Valid registration
- Airframe: [Tom Karr EXCALIBUR](https://openairdocs.org/model/tom-karr-excalibur) (registry code 056370C, 2 seats)
- Engine: [Rotax 582](https://openairdocs.org/engine/rotax-582) (registry code 55551)
- Serial number: 12715
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Kit: Excalibur Aircraft EXCALIBUR
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 21, 2019
- Certificate issued: October 24, 2018
- Expires: October 31, 2028
- Mode S code: A43E86
- Registered owner: [Carpenter Lyle B](https://openairdocs.org/faa-owner/CARPENTER%20LYLE%20B)
- Location: [Walhalla, ND](https://openairdocs.org/faa-place/ND/Walhalla)
- Owner type: Individual
- Owner's area on the map: 48.8981° N, 97.9419° W: Placed by OpenAirDocs at the center of ZIP code 58282, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3727
- Page: https://openairdocs.org/aircraft/N3727

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 (Tom Karr EXCALIBUR)

None in force.

### Matched by engine (Rotax 582)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N3727.

## FAA accident and incident reports

None matched to N3727.

## Reports on N3727 not matched to an aircraft (1)

They name N3727, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19771019031089A](https://openairdocs.org/incident/19771019031089A), Oct 19, 1977: Amtr 0562817 (N3727), Lakeport, CA, Substantial damage

## 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 N3727

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N3727 before.

- [Cancelled 1991-06-24](https://openairdocs.org/deregistered/N3727-1991-06-24): Kecskes DER JAGER D 1X, S/N 072. Triennial form not returned. Owner: [Willhite Thomas Dale](https://openairdocs.org/faa-owner/WILLHITE%20THOMAS%20DALE), [Clearlake Oaks, CA](https://openairdocs.org/faa-place/CA/Clearlake%20Oaks)

## Related

- Other Tom Karr EXCALIBUR aircraft: https://openairdocs.org/model/tom-karr-excalibur/aircraft.md
- The Rotax 582 engine: https://openairdocs.org/engine/rotax-582.md

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