| Tail Number / N-Number | N2AX |
| Manufacturer | ACKERMAN PHILIP T |
| Model | RV-4 |
| Year Built | 1994 |
| Manufacturer's Serial Number | 1319 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | PARKS DENNIS K |
| Street | 2966 NE 13TH DR |
| City | HILLSBORO |
| State | OR |
| Zip Code | 97124-4127 |
| Region | Northwest Mountain |
| County | Washington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-07-22 |
| Certificate Issue Date | 2008-05-21 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50306547 |
| Mode S Code Hex | A18D67 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N2AX.
| Tail Number / N-Number | N2AX |
| Manufacturer | THORP |
| Model | T-18 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 1220 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ACKERMAN PHILIP THOMAS |
| Street | 4651 E EMILE ZOLA AVE |
| City | PHOENIX |
| State | AZ |
| Zip Code | 85032 |
| Region | Western-Pacific |
| County | Washington County |
| Country | US |
| Certificate Issue Date | 1977-11-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1986-11-05 |