# N51L: Mason Larry L HUMMEL BIRD, registration cancelled 2012-12-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 18, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Mason Larry L HUMMEL BIRD](https://openairdocs.org/model/mason-larry-l-hummel-bird) (registry code 05616HN)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: NCC1701
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 20, 1989
- Certificate issued: March 27, 1989
- Last registry action: March 7, 1992
- Mode S code: A66010
- Owner when cancelled: [Mason Larry L](https://openairdocs.org/faa-owner/MASON%20LARRY%20L)
- Location: [Browns Mills, NJ](https://openairdocs.org/faa-place/NJ/Browns%20Mills)
- Owner type: Individual
- Owner's area on the map: 39.9315° N, 74.5437° W: Placed by OpenAirDocs at the center of ZIP code 08015, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N51L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51L
- Page: https://openairdocs.org/deregistered/N51L-2012-12-18

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 Mason Larry L HUMMEL BIRD: https://openairdocs.org/model/mason-larry-l-hummel-bird.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 NYC90FHD01](https://openairdocs.org/ntsb/NYC90FHD01), Jun 10, 1990: Mason Hummel Bird (N51L), Lumberton, NJ, destroyed, 1 fatal. Probable cause: FAILURE OF THE RUDDER ATTACH BOLT, WHICH RESULTED IN A LOSS OF AIRCRAFT CONTROL AND AN UNCONTROLLED DESCENT TO THE GROUND.

## 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 19900610019379A](https://openairdocs.org/incident/19900610019379A), Jun 10, 1990: Amtr HUMMEL BIRD (N51L), Lumberton, NJ, Substantial damage, 1 fatal. Vertical stabilizer separated on climbout. Homebuilt crashed inverted. Rudder attach bolt had failed.

## Other aircraft with N51L

- [Registered now](https://openairdocs.org/aircraft/N51L): Cirrus Design SF50, S/N 0507, built 2023

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