| Tail Number / N-Number | N31091 |
| Manufacturer | PIPER |
| Model | J3L-65 |
| Manufacturer's Serial Number | 5374 |
| 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 | LYCOMING |
| Engine Model | 0-145B SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | LLC |
| Owner Name | FLYING MACHINES LLC |
| Street | 1401 MECHANICAL BLVD |
| City | GARNER |
| State | NC |
| Zip Code | 27529-2538 |
| Region | Eastern |
| County | Wake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-13 |
| Certificate Issue Date | 2021-02-02 |
| Last Action Date | 2021-02-02 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50645176 |
| Mode S Code Hex | A34A7E |