| Tail Number / N-Number | N999SS |
| Manufacturer | HAWKER BEECHCRAFT CORP |
| Model | HAWKER 850XP |
| Year Built | 2007 |
| Manufacturer's Serial Number | 258861 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | TFE-731-5BR1H |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 4,750 pounds-force (21.1 kN) |
| Total Thrust | 9,500 pounds-force (42.3 kN) |
| Type of Registrant | LLC |
| Owner Name | 999 LLC |
| Street | C/O CORPORATION SERVICE CO 1201 HAYS ST |
| City | TALLAHASSEE |
| State | FL |
| Zip Code | 32301-2699 |
| Region | Southern |
| County | Leon County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2007-07-27 |
| Certificate Issue Date | 2022-01-05 |
| Last Action Date | 2023-02-02 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 53372663 |
| Mode S Code Hex | ADF5B3 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N999SS.
| Tail Number / N-Number | N999SS |
| Manufacturer | GRUMMAN AMERICAN AVN. CORP. |
| Model | AA-1B |
| Year Built | 1972 |
| Manufacturer's Serial Number | AA1B-0097 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Average Cruising Speed | 100 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WHITTINGTON BETTY JEAN |
| Street | 2701 TUCKER MILL RD |
| City | CONYERS |
| State | GA |
| Zip Code | 30207 |
| County | Leon County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-02-21 |
| Certificate Issue Date | 1982-06-17 |
| Last Action Date | 1985-12-14 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-31 |