| Tail Number / N-Number | N777HV |
| Manufacturer | PIPER |
| Model | L-21B |
| Year Built | 1952 |
| Manufacturer's Serial Number | 18-2182 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Type of Registrant | LLC |
| Owner Name | SKYLINE AIR TOURS LLC |
| Street | 1436 W 96TH AVE |
| City | CROWN POINT |
| State | IN |
| Zip Code | 46307-2224 |
| Region | Great Lakes |
| County | Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-12-24 |
| Certificate Issue Date | 2021-01-16 |
| Last Action Date | 2023-01-04 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52501713 |
| Mode S Code Hex | AA83CB |