| Tail Number / N-Number | N577MB |
| Manufacturer | BELLAFATTO MICHAEL A |
| Model | OSPREY II |
| Year Built | 1988 |
| Manufacturer's Serial Number | MB-1 |
| Aircraft Type | Blimp/Dirigible |
| 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 | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Type of Registrant | Individual |
| Owner Name | BLALOCK JAMES M |
| Street | 97 QUALLS RD |
| City | SHERIDAN |
| State | AR |
| Zip Code | 72150-6152 |
| Region | Southwestern |
| County | Grant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-08-19 |
| Certificate Issue Date | 2011-08-05 |
| Last Action Date | 2020-03-27 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 51664577 |
| Mode S Code Hex | A7697F |