| Tail Number / N-Number | N4551M |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-502 |
| Year Built | 1991 |
| Manufacturer's Serial Number | 502-0133 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6A SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 750 hp (560 kW) |
| Type of Registrant | Corporation |
| Owner Name | FARM AIR INC |
| Street | 11220 E BRICKER HWY |
| City | ASTORIA |
| State | IL |
| Zip Code | 61501-8882 |
| Region | Great Lakes |
| County | Fulton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1991-03-19 |
| Certificate Issue Date | 2016-01-12 |
| Last Action Date | 2021-09-10 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51303466 |
| Mode S Code Hex | A58736 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4551M.
| Tail Number / N-Number | N4551M |
| Manufacturer | PIPER |
| Model | PA-11 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 11-51 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | VOSSLER ALBERT J |
| Street | ROUTE 1 BOX 384 |
| City | PORTERVILLE |
| State | CA |
| Zip Code | 93257 |
| Region | Western-Pacific |
| County | Fulton County |
| Certificate Issue Date | 1948-02-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-06-06 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4551M.
| Tail Number / N-Number | N4551M |
| Manufacturer | BEECH |
| Model | 95-B55 (T42A) |
| Manufacturer's Serial Number | TC2130 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 165 miles per hour |
| County | Fulton County |
| Last Status | N-Number Assigned – but has not yet been registered |