| Tail Number / N-Number | N4450Z |
| Manufacturer | YAKOVLEV |
| Model | YAK 18T |
| Manufacturer's Serial Number | 22202034025 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | CROCKETT CHARLES D |
| Street | 13208 NE 193RD PL |
| City | WOODINVILLE |
| State | WA |
| Zip Code | 98072-8729 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-08-03 |
| Certificate Issue Date | 2014-01-28 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-01-31 |
| Status | Valid Registration |
| Mode S Code | 51257640 |
| Mode S Code Hex | A55FA0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4450Z.
| Tail Number / N-Number | N4450Z |
| Manufacturer | BOEING |
| Model | 720-059B |
| Year Built | 1965 |
| Manufacturer's Serial Number | 18831 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 143 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 466 miles per hour |
| Type of Registrant | Government |
| Owner Name | BOEING MILITARY AIRPLANE CO |
| Street | 3801 S OLIVER |
| City | WITCHITA |
| State | KS |
| Zip Code | 67211 |
| Region | Central |
| County | King County |
| Certificate Issue Date | 1984-11-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-11-01 |