# N37BP: Carlo Cilliers BEARHAWK PATROL

- Status: Valid registration
- Airframe: [Carlo Cilliers BEARHAWK PATROL](https://openairdocs.org/model/carlo-cilliers-bearhawk-patrol) (registry code 05643K4, 2 seats)
- Serial number: P502
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: January 21, 2026
- Expires: January 31, 2033
- Mode S code: A43199
- Registered owner: [Cilliers Carlo R](https://openairdocs.org/faa-owner/CILLIERS%20CARLO%20R)
- Location: [Frederick, MD](https://openairdocs.org/faa-place/MD/Frederick)
- Owner type: Individual
- Owner's area on the map: 39.4796° N, 77.4441° W: Placed by OpenAirDocs at the center of ZIP code 21702, 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=37BP
- Page: https://openairdocs.org/aircraft/N37BP

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 (Carlo Cilliers BEARHAWK PATROL)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N37BP.

## FAA accident and incident reports

None matched to N37BP.

## 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 N37BP

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N37BP before.

- [Cancelled 2015-05-20](https://openairdocs.org/deregistered/N37BP-2015-05-20): Szulewski Paul G H-3, S/N 001, built 2002. Registration expired, pending cancellation. Owner: [Kush John J](https://openairdocs.org/faa-owner/KUSH%20JOHN%20J), [Oil City, PA](https://openairdocs.org/faa-place/PA/Oil%20City)
- [Cancelled 1991-03-28](https://openairdocs.org/deregistered/N37BP-1991-03-28): Petersen Bryce Clark PUDDLE JUMPER, S/N 1. Triennial form not returned. Owner: [Petersen Bryce C](https://openairdocs.org/faa-owner/PETERSEN%20BRYCE%20C), [S Charleston, WV](https://openairdocs.org/faa-place/WV/S%20Charleston)

## Related

- Other Carlo Cilliers BEARHAWK PATROL aircraft: https://openairdocs.org/model/carlo-cilliers-bearhawk-patrol/aircraft.md

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