| Tail Number / N-Number | N1021B |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-502 |
| Year Built | 1989 |
| Manufacturer's Serial Number | 502-0062 |
| 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 | ADAMS FLYING SERVICE INC |
| Street | 12 ELLIS LN |
| City | RAYVILLE |
| State | LA |
| Zip Code | 71269-7330 |
| Region | Southwestern |
| County | Richland Parish |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1989-10-11 |
| Certificate Issue Date | 2012-02-22 |
| Last Action Date | 2020-09-18 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50007237 |
| Mode S Code Hex | A00E9F |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1021B.
| Tail Number / N-Number | N1021B |
| Manufacturer | LEARJET INC |
| Model | 23 |
| Year Built | 1966 |
| Manufacturer's Serial Number | 086 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 315 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MACK TRUCKS INC |
| Street | 2200 HAMILTON ST |
| City | ALLENTOWN |
| State | PA |
| Zip Code | 18105 |
| Region | Eastern |
| County | Richland Parish |
| Country | US |
| Certificate Issue Date | 1967-04-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-12-08 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1021B.
| Tail Number / N-Number | N1021B |
| Manufacturer | BEECH |
| Model | A45 |
| Manufacturer's Serial Number | G-794 |
| 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 | 141 miles per hour |
| Type of Registrant | Government |
| County | Richland Parish |
| Certificate Issue Date | 1962-06-18 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-08-16 |