| Tail Number / N-Number | N550T |
| Manufacturer | CESSNA |
| Model | 525B |
| Year Built | 2008 |
| Manufacturer's Serial Number | 525B0226 |
| 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) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ44-3A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,820 pounds-force (12.5 kN) |
| Total Thrust | 5,640 pounds-force (25.1 kN) |
| Type of Registrant | LLC |
| Owner Name | SAND CASTLE PROPERITIES LLC |
| Street | 117 SALEM CHURCH RD |
| City | NEWARK |
| State | DE |
| Zip Code | 19713-2940 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-03-18 |
| Certificate Issue Date | 2020-06-25 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51600424 |
| Mode S Code Hex | A70114 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N550T.
| Tail Number / N-Number | N550T |
| Manufacturer | CESSNA |
| Model | 421 |
| Manufacturer's Serial Number | 4210038 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | COMBS GATES INDIANAPOLIS INC |
| Street | WEIR COOK MUNICIPAL ARPT |
| City | INDIANAPOLIS |
| State | IN |
| Zip Code | 46241 |
| Region | Great Lakes |
| County | New Castle County |
| Certificate Issue Date | 1973-07-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-02-19 |