Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21977.
| Tail Number / N-Number | N21977 |
| Manufacturer | REARWIN |
| Model | 9000-KR |
| Year Built | 1939 |
| Manufacturer's Serial Number | 646-D |
| 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 | KEN ROYCE |
| Engine Model | 90-5 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 90 hp (67 kW) |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SOUTHWEST ASSETS INC |
| Street | 3328 BROOKHOLLOW CT |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73120 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1972-01-24 |
| Certificate Issue Date | 1990-03-19 |
| Last Action Date | 1999-03-29 |
| Last Status | Third Notice for Re-Registration/Renewal |
| Cancellation Date | 2016-09-07 |
| Mode S Code | 50357136 |
| Mode S Code Hex | A1DE5E |