| Tail Number / N-Number | N403WR |
| Manufacturer | RUMBURG WILLIAM |
| Model | LANCAIR 320 |
| Year Built | 1997 |
| Manufacturer's Serial Number | 403 |
| 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 | IO-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | Individual |
| Owner Name | RUMBURG WILLIAM J |
| Street | 315 AVIATION LN |
| City | GOLD HILL |
| State | NC |
| Zip Code | 28071-8702 |
| Region | Eastern |
| County | Rowan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-10-21 |
| Certificate Issue Date | 1995-12-15 |
| Last Action Date | 2022-02-24 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51134712 |
| Mode S Code Hex | A4B9CA |