| Tail Number / N-Number | N4521C |
| Manufacturer | GULFSTREAM AMERICAN CORP |
| Model | AA-5B |
| Year Built | 1979 |
| Manufacturer's Serial Number | AA5B1071 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | 4 LEGGED FLIERS LLC |
| Street | 906 MERCER AVE |
| City | BRICK |
| State | NJ |
| Zip Code | 08723-6133 |
| Region | Eastern |
| County | Ocean County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-01-29 |
| Certificate Issue Date | 2017-08-11 |
| Last Action Date | 2020-03-21 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 51276010 |
| Mode S Code Hex | A57C08 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4521C.
| Tail Number / N-Number | N4521C |
| Manufacturer | CESSNA |
| Model | 170B |
| Manufacturer's Serial Number | 25465 |
| 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 | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ARCTIC MISSIONS INC |
| Street | BOX 756 |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99503 |
| Region | Alaskan |
| County | Ocean County |
| Certificate Issue Date | 1958-10-24 |
| Last Status | Valid Registration |
| Cancellation Date | 1965-05-20 |