| Tail Number / N-Number | N121N |
| Manufacturer | STINSON |
| Model | 108-3 |
| Year Built | 1948 |
| Manufacturer's Serial Number | 108-4449 |
| 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 | 6A4165 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 165 hp (123 kW) |
| Average Cruising Speed | 94 miles per hour |
| Type of Registrant | Individual |
| Owner Name | REHEISER JOSEPH M |
| Street | 1888 MACON RD |
| City | GRIFFIN |
| State | GA |
| Zip Code | 30224-7535 |
| Region | Southern |
| County | Spalding County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-15 |
| Certificate Issue Date | 2019-12-19 |
| Last Action Date | 2022-07-18 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 50054225 |
| Mode S Code Hex | A05895 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N121N.
| Tail Number / N-Number | N121N |
| Manufacturer | RYAN |
| Model | NAVION |
| Manufacturer's Serial Number | NAV-4-1206 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | TEMCO AIRCRAFT CORP |
| Street | PO BOX 6191 |
| City | DALLAS |
| State | TX |
| Zip Code | 75201 |
| Region | Southwestern |
| County | Spalding County |
| Certificate Issue Date | 1954-10-18 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-06-30 |
| Exported To | SWITZERLAND |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N121N.
| Tail Number / N-Number | N121N |
| Manufacturer | NICHOLAS BEAZLEY |
| Model | NB-3G |
| Manufacturer's Serial Number | 79A |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | 146 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | BAKER GEORGE W |
| Street | 317 SOUTH SENINOLE STREET |
| City | OKMULGEE |
| State | OK |
| Zip Code | 74447 |
| Region | Southwestern |
| County | Spalding County |
| Certificate Issue Date | 1943-02-06 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-02-25 |