| Tail Number / N-Number | N666EX |
| Manufacturer | FRANK KOINZER |
| Model | BULLAIRCRAFT EXPLORE |
| Year Built | 2016 |
| Manufacturer's Serial Number | BUEX0001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WALTER |
| Engine Model | M601 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 777 hp (580 kW) |
| Type of Registrant | Corporation |
| Owner Name | SKY WEST AVIATION INC TRUSTEE |
| Street | 2523 STIEGLITZ AVE SE |
| City | ALBUQUERQUE |
| State | NM |
| Zip Code | 87106-9605 |
| Region | Southwestern |
| County | Bernalillo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2016-09-23 |
| Certificate Issue Date | 2015-04-10 |
| Last Action Date | 2020-11-10 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52145375 |
| Mode S Code Hex | A8CAFD |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N666EX.
| Tail Number / N-Number | N666EX |
| Manufacturer | PIPER |
| Model | PA-32R-301T |
| Year Built | 2001 |
| Manufacturer's Serial Number | 3257241 |
| Aircraft Type | Fixed wing single 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | Corporation |
| Owner Name | WELLS FARGO BANK NORTHWEST NA TRUSTEE |
| Street | 299 SOUTH MAIN ST 12TH FL MAC U1228-120 |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111 |
| County | Bernalillo County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2001-08-03 |
| Certificate Issue Date | 2005-11-07 |
| Last Action Date | 2008-11-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2010-07-19 |
| Exported To | NETHERLANDS |