| Tail Number / N-Number | N4570M |
| Manufacturer | MATTHEWS RICHARD W |
| Model | ISLAND HOPPER |
| Year Built | 2018 |
| Manufacturer's Serial Number | 040750 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | O-320-A2B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | Individual |
| Owner Name | MATTHEWS RICHARD W |
| Street | PO BOX 232 |
| City | KASILOF |
| State | AK |
| Zip Code | 99610-0232 |
| Region | Alaskan |
| County | Kenai Peninsula Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2018-03-30 |
| Certificate Issue Date | 2017-11-06 |
| Last Action Date | 2020-06-16 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 51307201 |
| Mode S Code Hex | A58E81 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4570M.
| Tail Number / N-Number | N4570M |
| Manufacturer | PIPER |
| Model | PA-11 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 11-73 |
| 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 | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ALLEN HARLEY DAVIDSON |
| Street | PO BOX 454 |
| City | PALACIOS |
| State | TX |
| Zip Code | 77465 |
| Region | Southwestern |
| County | Kenai Peninsula Borough |
| Certificate Issue Date | 1948-06-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1951-02-16 |