| Tail Number / N-Number | N1231P |
| Manufacturer | PIPER |
| Model | PA-23 |
| Year Built | 1955 |
| Manufacturer's Serial Number | 23-251 |
| Aircraft Type | Fixed wing multi 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 180 hp (134 kW) |
| Total Horsepower | 360 hp (269 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | TWIN OAKS AIRPARK INC |
| Street | 12405 SW RIVER RD |
| City | HILLSBORO |
| State | OR |
| Zip Code | 97123-9314 |
| Region | Northwest Mountain |
| County | Washington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-08 |
| Certificate Issue Date | 2014-04-04 |
| Last Action Date | 2022-11-16 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50060540 |
| Mode S Code Hex | A06160 |