| Tail Number / N-Number | N21403 |
| Manufacturer | CESSNA |
| Model | 172M |
| Year Built | 1974 |
| Manufacturer's Serial Number | 17263944 |
| 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 | LLC |
| Owner Name | GREAT CIRCLE LLC |
| Street | PO BOX 231581 |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99523-1581 |
| Region | Alaskan |
| County | Anchorage Municipality |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-09-17 |
| Certificate Issue Date | 2017-12-18 |
| Last Action Date | 2020-09-16 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50345322 |
| Mode S Code Hex | A1CAD2 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21403.
| Tail Number / N-Number | N21403 |
| Manufacturer | PIPER |
| Model | J-3 |
| Year Built | 1949 |
| Manufacturer's Serial Number | 2247 |
| 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 | 56 miles per hour |
| Type of Registrant | Individual |
| Owner Name | PROP CLUB INC |
| Street | GENERAL DELIVERY |
| City | LOCKIES |
| State | VA |
| Zip Code | 23169 |
| Region | Eastern |
| County | Anchorage Municipality |
| Certificate Issue Date | 1949-12-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1951-11-02 |