| Tail Number / N-Number | N3131F |
| Manufacturer | MARCKS PHILIP C |
| Model | ALLEGRO 2000 |
| Year Built | 2007 |
| Manufacturer's Serial Number | 04-711 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | SENSENIG LANDIS H |
| Street | N15801 PELSDORF AVE |
| City | OWEN |
| State | WI |
| Zip Code | 54460-9069 |
| Region | Great Lakes |
| County | Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-11-03 |
| Certificate Issue Date | 2014-08-05 |
| Last Action Date | 2020-04-27 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50652167 |
| Mode S Code Hex | A35477 |