| Tail Number / N-Number | N91SK |
| Manufacturer | PILATUS AIRCRAFT LTD |
| Model | PC-12/47E |
| Year Built | 2014 |
| Manufacturer's Serial Number | 1492 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-67P |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 1,272 hp (949 kW) |
| Type of Registrant | LLC |
| Owner Name | WOS HOLDINGS II LLC |
| Street | 274 AVIATION LN |
| City | BELGRADE |
| State | MT |
| Zip Code | 59714-9146 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2014-09-11 |
| Certificate Issue Date | 2018-03-12 |
| Last Action Date | 2020-10-23 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 53112754 |
| Mode S Code Hex | AC95EC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N91SK.
| Tail Number / N-Number | N91SK |
| Manufacturer | BEECH |
| Model | 1900D |
| Year Built | 1994 |
| Manufacturer's Serial Number | UE-91 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 19 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6A SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 750 hp (560 kW) |
| Total Horsepower | 1,500 hp (1,119 kW) |
| Type of Registrant | Corporation |
| Owner Name | GENERAL AVIATION LEASING LLC |
| Street | 3511 SILVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810-4902 |
| County | Gallatin County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-04-23 |
| Certificate Issue Date | 2006-11-09 |
| Last Action Date | 2006-11-09 |
| Last Status | Valid Registration |
| Cancellation Date | 2008-05-30 |
| Exported To | SOUTH AFRICA |