# N4252U: Mattoon Floyd HUMMER-B, registration cancelled 1991-04-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 16, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Mattoon Floyd HUMMER-B](https://openairdocs.org/model/mattoon-floyd-hummer-b) (registry code 05644BQ)
- Serial number: 0060B
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 4, 1981
- Last registry action: January 31, 1991
- Mode S code: A510E3
- Owner when cancelled: [Mattoon Floyd K](https://openairdocs.org/faa-owner/MATTOON%20FLOYD%20K)
- Location: [Pontiac, MI](https://openairdocs.org/faa-place/MI/Pontiac)
- Owner type: Individual
- Owner's area on the map: 42.7704° N, 82.5290° W: Placed by OpenAirDocs at the center of ZIP code 48054, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4252U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4252U
- Page: https://openairdocs.org/deregistered/N4252U-1991-04-16

From the FAA registry file of November 7, 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 Mattoon Floyd HUMMER-B: https://openairdocs.org/model/mattoon-floyd-hummer-b.md

## Other aircraft with N4252U

- [Registered now](https://openairdocs.org/aircraft/N4252U): Piper PA-23-250, S/N 27-465
- [Cancelled 1964-01-09](https://openairdocs.org/deregistered/N4252U-1964-01-09): Cessna 150D, S/N 15060252. Exported to United Kingdom. Owner: [Cessna Aircraft Company](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20COMPANY), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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