# N4372U: 1998 Colyer William G PATOSTAT

- Status: Valid registration
- Airframe: [Colyer William G PATOSTAT](https://openairdocs.org/model/colyer-william-g-patostat) (registry code 056054Q, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: CYB-002
- Year built: 1998
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 16, 1998
- Certificate issued: April 8, 1998
- Expires: February 28, 2030
- Mode S code: A53FD0
- Registered owner: [Colyer William G](https://openairdocs.org/faa-owner/COLYER%20WILLIAM%20G)
- Location: [Fairfield, CT](https://openairdocs.org/faa-place/CT/Fairfield)
- Owner type: Individual
- Owner's area on the map: 41.1412° N, 73.2637° W: Placed by OpenAirDocs: center of Fairfield, CT, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4372U
- Page: https://openairdocs.org/aircraft/N4372U

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 (Colyer William G PATOSTAT)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4372U.

## FAA accident and incident reports

None matched to N4372U.

## 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 N4372U

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4372U before.

- [Cancelled 1993-01-04](https://openairdocs.org/deregistered/N4372U-1993-01-04): Cessna 150D, S/N 15060372. Triennial form not returned. Owner: [Barnhart Darick D DBA](https://openairdocs.org/faa-owner/BARNHART%20DARICK%20D%20DBA), [Grand Island, NE](https://openairdocs.org/faa-place/NE/Grand%20Island)

## Related

- Other Colyer William G PATOSTAT aircraft: https://openairdocs.org/model/colyer-william-g-patostat/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.