| Tail Number / N-Number | N8557H |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 ALPHA |
| Year Built | 1985 |
| Manufacturer's Serial Number | 0460 |
| Aircraft Type | Rotorcraft |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | LLOYD DAVIS INC |
| Street | PO BOX 527 |
| City | BRACKETTVILLE |
| State | TX |
| Zip Code | 78832-0527 |
| Region | Southwestern |
| County | Kinney County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1985-01-18 |
| Certificate Issue Date | 1999-08-31 |
| Last Action Date | 2021-01-24 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52736500 |
| Mode S Code Hex | ABBD40 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N8557H.
| Tail Number / N-Number | N8557H |
| Manufacturer | NORTH AMERICAN |
| Model | NAVION |
| Manufacturer's Serial Number | NAV-4-609 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | JAMES DE VERE |
| Street | BOX B |
| City | CLE ELUM |
| State | WA |
| Zip Code | 98922 |
| Region | Northwest Mountain |
| County | Kinney County |
| Certificate Issue Date | 1955-02-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-07-01 |