| Tail Number / N-Number | N2121T |
| Manufacturer | GULFSTREAM AMERICAN CORP |
| Model | AA-5B |
| Manufacturer's Serial Number | AA5B-1031 |
| 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 | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | SIEBOLS JOHAN |
| Street | 205 HOLLY SPRING DR |
| City | FRIENDSWOOD |
| State | TX |
| Zip Code | 77546-4630 |
| Region | Southwestern |
| County | Galveston County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-12-11 |
| Certificate Issue Date | 1995-06-09 |
| Last Action Date | 2020-02-20 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50341575 |
| Mode S Code Hex | A1C37D |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2121T.
| Tail Number / N-Number | N2121T |
| Manufacturer | CESSNA |
| Model | 310C |
| Manufacturer's Serial Number | 35974 |
| Aircraft Type | Fixed wing multi 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 | 2 engines |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CHEROKEE FLYERS LTD |
| Street | P O BOX 398 |
| City | HINSDALE |
| State | IL |
| Zip Code | 60021 |
| Region | Great Lakes |
| County | Galveston County |
| Certificate Issue Date | 1972-08-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1973-05-29 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2121T.
| Tail Number / N-Number | N2121T |
| Manufacturer | PIPER |
| Model | PA-28RT-201T |
| Manufacturer's Serial Number | 28R7931084 |
| 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) |
| Number of Engines | 1 engine |
| County | Galveston County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1989-06-01 |