| Tail Number / N-Number | N721M |
| Manufacturer | CESSNA |
| Model | 172 |
| Year Built | 1957 |
| Manufacturer's Serial Number | 29879 |
| 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 | CONT MOTOR |
| Engine Model | 0-300 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WELCH JAMES D |
| Street | 100 N HINCKLEY ST |
| City | HOLDENVILLE |
| State | OK |
| Zip Code | 74848-5201 |
| Region | Southwestern |
| County | Hughes County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-05-09 |
| Certificate Issue Date | 2010-08-05 |
| Last Action Date | 2020-09-11 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52324126 |
| Mode S Code Hex | A9A856 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N721M.
| Tail Number / N-Number | N721M |
| Manufacturer | RYAN AIRCRAFT |
| Model | B-7 |
| Manufacturer's Serial Number | 253 |
| Aircraft Type | Fixed wing single 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 | 1 engine |
| Average Cruising Speed | 135 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HASCO CORPORATION |
| Street | 605 NORTH MICHIGAN AVENUE |
| City | CHICAGO |
| State | IL |
| Zip Code | 60021 |
| Region | Great Lakes |
| County | Hughes County |
| Last Status | Valid Registration |
| Cancellation Date | 1941-06-01 |