| Tail Number / N-Number | N37603 |
| Manufacturer | HUGHES |
| Model | HK-1 |
| Manufacturer's Serial Number | HK1 |
| Aircraft Type | Fixed wing multi engine |
| Category | Sea |
| Builder Certification | Not Type Certificated |
| Number of Seats | 18 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 8 engines |
| Type of Registrant | Corporation |
| Owner Name | EVERGREEN AVIATION & SPACE MUSEUM |
| Street | 500 NE CAPTAIN MICHAEL KING SMITH |
| City | MCMINNVILLE |
| State | OR |
| Zip Code | 97128-8877 |
| Region | Northwest Mountain |
| County | Yamhill County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2016-05-12 |
| Last Action Date | 2021-12-14 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51046211 |
| Mode S Code Hex | A44C89 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N37603.
| Tail Number / N-Number | N37603 |
| Manufacturer | SCHWEIZER |
| Model | TG3A |
| Manufacturer's Serial Number | 67 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 60 miles per hour |
| County | Yamhill County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-04-18 |