| Tail Number / N-Number | N599BB |
| Manufacturer | BEECH |
| Model | C90 |
| Year Built | 1976 |
| Manufacturer's Serial Number | LJ-699 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 9 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | U/A CANADA |
| Engine Model | PT6A SERIES |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 715 hp (533 kW) |
| Total Horsepower | 1,430 hp (1,067 kW) |
| Average Cruising Speed | 201 miles per hour |
| Type of Registrant | LLC |
| Owner Name | 3GS AIR LLC |
| Street | 8541 BELLE MEADE DR |
| City | FORT MYERS |
| State | FL |
| Zip Code | 33908-6011 |
| Region | Southern |
| County | Lee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-09-01 |
| Certificate Issue Date | 2019-01-14 |
| Last Action Date | 2021-08-17 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51737361 |
| Mode S Code Hex | A7BEF1 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N599BB.
| Tail Number / N-Number | N599BB |
| Manufacturer | AERO COMMANDER |
| Model | 680-E |
| Manufacturer's Serial Number | 68037257 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 188 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BRUMM GORDON |
| Street | 3266 HYDE PARK RD |
| City | MUSKEGON |
| State | MI |
| Zip Code | 49445 |
| County | Lee County |
| Country | US |
| Certificate Issue Date | 1989-10-30 |
| Last Action Date | 1995-10-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1995-12-14 |