# N21DT: Peter Brown BEARHAWK PATROL

- Status: Valid registration
- Airframe: [Peter Brown BEARHAWK PATROL](https://openairdocs.org/model/peter-brown-bearhawk-patrol) (registry code 056426N, 2 seats)
- Serial number: P73-157/158
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Avipro Aircraft Ltd BEARHAWK PATROL
- Certificate issued: May 29, 2025
- Expires: May 31, 2032
- Mode S code: A1B786
- Owner type: Individual
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21DT
- Page: https://openairdocs.org/aircraft/N21DT

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 (Peter Brown BEARHAWK PATROL)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N21DT.

## FAA accident and incident reports

None matched to N21DT.

## Reports on N21DT not matched to an aircraft (1)

They name N21DT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19820412012799I](https://openairdocs.org/incident/19820412012799I), Apr 12, 1982: Cessna 414 (N21DT), Yukon, OK, Minor damage. Unable to obtain safe nose gear indication. Nose gear collapsed on landing. Main gear held.

## 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.

## Related

- Other Peter Brown BEARHAWK PATROL aircraft: https://openairdocs.org/model/peter-brown-bearhawk-patrol/aircraft.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.