| Tail Number / N-Number | N51621 |
| Manufacturer | MAULE |
| Model | M-5-220C |
| Year Built | 1974 |
| Manufacturer's Serial Number | 5014C |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | FRANKLIN |
| Engine Model | 6A-350SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 235 hp (175 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JOHNSON LUCAS G |
| Street | 13260 BUNKERHILL RD |
| City | PLEASANT LAKE |
| State | MI |
| Zip Code | 49272 |
| Region | Great Lakes |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 2004-08-03 |
| Certificate Issue Date | 2006-05-16 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51475161 |
| Mode S Code Hex | A67A71 |