| Tail Number / N-Number | N4590 |
| Type of Reservation | Reserved - no fee |
| Reserving Party Name | OAK RIDGE NATIONAL LABORATORY |
| Street | 1 BETHEL VALLEY RD |
| City | OAK RIDGE |
| State | TN |
| Zip Code | 37830-8050 |
| Date Reserved | 2021-08-17 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4590.
| Tail Number / N-Number | N4590 |
| Manufacturer | BELL |
| Model | UH-1H |
| Manufacturer's Serial Number | 65-09986 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | WESTWIND HELICOPTERS INC |
| Street | 11353 SUNRISE GOLD CIR STE J |
| City | RANCHO CORDOVA |
| State | CA |
| Zip Code | 95742-6558 |
| Country | US |
| Certificate Issue Date | 1996-08-09 |
| Last Action Date | 1999-11-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2000-01-07 |