# N545AC: 1999 AS+ AC 4

- Status: Valid registration
- Airframe: [AS+ AC 4](https://openairdocs.org/model/as-plus-ac-4) (registry code 05628R1, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 045
- Year built: 1999
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, racing, exhibition
- Airworthiness date: February 12, 2013
- Certificate issued: August 6, 2019
- Expires: August 31, 2029
- Mode S code: A6EA82
- Registered owner: [Conner Walter L](https://openairdocs.org/faa-owner/CONNER%20WALTER%20L)
- Location: [Los Lunas, NM](https://openairdocs.org/faa-place/NM/Los%20Lunas)
- Owner type: Individual
- Owner's area on the map: 34.7793° N, 106.7255° W: Placed by OpenAirDocs at the center of ZIP code 87031, 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=545AC
- Page: https://openairdocs.org/aircraft/N545AC

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 (AS+ AC 4)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N545AC.

## FAA accident and incident reports

None matched to N545AC.

## 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 N545AC

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N545AC before.

- [Cancelled 1989-06-09](https://openairdocs.org/deregistered/N545AC-1989-06-09): Cessna TU206G, S/N U20603642. N-number assigned, not yet registered

## Related

- Other AS+ AC 4 aircraft: https://openairdocs.org/model/as-plus-ac-4/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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