| Tail Number / N-Number | N521LD |
| Manufacturer | CESSNA |
| Model | 172N |
| Year Built | 1977 |
| Manufacturer's Serial Number | 17269184 |
| 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 | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | STAR MARIANAS AIR INC |
| Street | PO BOX 520461 |
| City | TINIAN |
| State | MP |
| Zip Code | 96952 |
| Region | Western-Pacific |
| Country | MP |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-07-20 |
| Certificate Issue Date | 2021-04-10 |
| Last Action Date | 2021-04-10 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51506643 |
| Mode S Code Hex | A68DA3 |