# N511BD: Markwood BD-4, registration cancelled 1996-12-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 24, 1996
- Status when cancelled: Triennial form not returned
- Airframe: [Markwood BD-4](https://openairdocs.org/model/markwood-bd-4) (registry code 1130574)
- Serial number: 511
- Type of aircraft: Fixed wing single engine
- Certificate issued: September 30, 1993
- Last registry action: October 16, 1996
- Mode S code: A66543
- Owner when cancelled: [Barry Kenneth M](https://openairdocs.org/faa-owner/BARRY%20KENNETH%20M)
- Location: [Masontown, PA](https://openairdocs.org/faa-place/PA/Masontown)
- Owner type: Individual
- Owner's area on the map: 39.8401° N, 79.8999° W: Placed by OpenAirDocs at the center of ZIP code 15461, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N511BD
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=511BD
- Page: https://openairdocs.org/deregistered/N511BD-1996-12-24

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Markwood BD-4: https://openairdocs.org/model/markwood-bd-4.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC95LA218](https://openairdocs.org/ntsb/NYC95LA218), Aug 28, 1995: Markwood BD-4 (N511BD), Connellsville, PA, substantial damage. Probable cause: Loss of braking action at the right brake, due to a low level of hydraulic fluid and inadequate maintenance, which resulted in the loss of aircraft control.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19950828048929A](https://openairdocs.org/incident/19950828048929A), Aug 28, 1995: Amtr BD4 (N511BD), Connellsville, PA, Substantial damage. (-16) The pilot stated that he had a problem after landing. He applied brakes and the right brake completely failed immediately. The left brake functioned and…

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