| Tail Number / N-Number | N21950 |
| Manufacturer | CESSNA |
| Model | 172M |
| Manufacturer's Serial Number | 17264046 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | COUSINS MARK T |
| Street | 3119 NE 7TH AVE |
| City | PORTLAND |
| State | OR |
| Zip Code | 97212-3142 |
| Region | Northwest Mountain |
| County | Multnomah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-05-23 |
| Certificate Issue Date | 2021-10-15 |
| Last Action Date | 2021-10-15 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 50357021 |
| Mode S Code Hex | A1DE11 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21950.
| Tail Number / N-Number | N21950 |
| Manufacturer | REARWIN |
| Model | 9000-L |
| Year Built | 1939 |
| Manufacturer's Serial Number | 638D |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WHITE E C |
| Street | UNKNOWN |
| City | COEBURN |
| State | VA |
| Zip Code | 24230 |
| Region | Eastern |
| County | Multnomah County |
| Certificate Issue Date | 1949-07-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1954-08-24 |