Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N721ST.
| Tail Number / N-Number | N721ST |
| Manufacturer | CANADAIR LTD |
| Model | CL-600 CHALLENGER |
| Year Built | 1981 |
| Manufacturer's Serial Number | 1030 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 13 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | ALF-502 SER. |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Horsepower per Engine | 7,500 hp (5,595 kW) |
| Total Horsepower | 15,000 hp (11,190 kW) |
| Type of Registrant | Individual |
| Owner Name | WATTS MIKAL C |
| Street | 4 DOMINION DR BLDG 3-100 |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78257-1393 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-07-01 |
| Certificate Issue Date | 2009-08-21 |
| Last Action Date | 2014-08-12 |
| Last Status | Valid Registration |
| Cancellation Date | 2015-02-02 |
| Exported To | SOUTH AFRICA |
| Mode S Code | 52324345 |
| Mode S Code Hex | A9A8E5 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N721ST.
| Tail Number / N-Number | N721ST |
| Manufacturer | CESSNA |
| Model | 650 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 650-0158 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | GARRETT |
| Engine Model | TFE731 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,500 pounds-force (15.6 kN) |
| Total Thrust | 7,000 pounds-force (31.1 kN) |
| Type of Registrant | Corporation |
| Owner Name | CUSICK AVIATION LLC |
| Street | 194 S MAIN ST STE 100 |
| City | BOERNE |
| State | TX |
| Zip Code | 78006-2386 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2005-12-02 |
| Certificate Issue Date | 2006-03-16 |
| Last Action Date | 2006-09-22 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-02-23 |
| Exported To | AUSTRALIA |
| Mode S Code | 52324345 |
| Mode S Code Hex | A9A8E5 |