| Tail Number / N-Number | N84CW |
| Manufacturer | IAI LTD |
| Model | GULFSTREAM G280 |
| Year Built | 2017 |
| Manufacturer's Serial Number | 2133 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 21 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | HONEYWELL |
| Engine Model | AS907-2-1G |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 7,765 pounds-force (34.5 kN) |
| Total Thrust | 15,530 pounds-force (69.1 kN) |
| Type of Registrant | Corporation |
| Owner Name | COSTCO WHOLESALE CORPORATION |
| Street | 999 LAKE DR |
| City | ISSAQUAH |
| State | WA |
| Zip Code | 98027-8990 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2017-11-13 |
| Certificate Issue Date | 2018-03-06 |
| Last Action Date | 2020-10-14 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52676707 |
| Mode S Code Hex | AB7DC7 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N84CW.
| Tail Number / N-Number | N84CW |
| Manufacturer | WIMSATT CHARLES L |
| Model | CYGNET SF-1 |
| Manufacturer's Serial Number | 169 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | FRANKLIN |
| Engine Model | 2A4 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 49 hp (37 kW) |
| Type of Registrant | Individual |
| Owner Name | WIMSATT CHARLES L |
| Street | 5311 RANDOM WAY |
| City | LOUISVILLE |
| State | KY |
| Zip Code | 40291 |
| County | King County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-09-20 |
| Certificate Issue Date | 1985-01-02 |
| Last Action Date | 2009-10-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2010-11-12 |