| Tail Number / N-Number | N521B |
| Manufacturer | BRYANT |
| Model | PAZMANY PL-4A |
| Year Built | 1979 |
| Manufacturer's Serial Number | 521 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | PARKER DALE L |
| Street | 3330 CRIPPLE CREEK CT |
| City | GRANBURY |
| State | TX |
| Zip Code | 76048-6800 |
| Region | Southwestern |
| County | Hood County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-08-19 |
| Certificate Issue Date | 2007-05-11 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51506276 |
| Mode S Code Hex | A68CBE |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N521B.
| Tail Number / N-Number | N521B |
| Manufacturer | BEECH |
| Model | 35 |
| Manufacturer's Serial Number | D-1470 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ANDERSON GEORGE E |
| Street | 244 CLARK |
| City | BILLINGS |
| State | MT |
| Zip Code | 59101 |
| Region | Northwest Mountain |
| County | Hood County |
| Certificate Issue Date | 1948-04-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1954-10-25 |