| Tail Number / N-Number | N15444 |
| Manufacturer | NORTHWESTERN |
| Model | PORTERFIELD 35-70 |
| Year Built | 1935 |
| Manufacturer's Serial Number | 144 |
| 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 | LEBLOND |
| Engine Model | 70 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 70 hp (52 kW) |
| Average Cruising Speed | 76 miles per hour |
| Type of Registrant | Individual |
| Owner Name | RICHARDS THOMAS D |
| Street | 6448 HAWKEYE RD |
| City | KRUM |
| State | TX |
| Zip Code | 76249-3652 |
| Region | Southwestern |
| County | Denton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-07-30 |
| Certificate Issue Date | 1981-11-02 |
| Last Action Date | 2021-09-15 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50156014 |
| Mode S Code Hex | A0DC0C |