Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N56021.
| Tail Number / N-Number | N56021 |
| Manufacturer | BOEING |
| Model | A75N1(PT17) |
| Year Built | 1938 |
| Manufacturer's Serial Number | 75-299 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | 975E&F-2&3 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 475 hp (354 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | P. O. BOX 25082 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| Country | US |
| Airworthiness Classification | Restricted |
| Last Action Date | 1977-01-14 |
| Last Status | Sale Reported – Pending Cancellation |
| Cancellation Date | 1976-06-24 |
| Mode S Code | 51624642 |
| Mode S Code Hex | A729A2 |