| Tail Number / N-Number | N1955S |
| Manufacturer | SENFT O/SENFT M |
| Model | LANCAIR |
| Year Built | 1995 |
| Manufacturer's Serial Number | 220 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-550 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Type of Registrant | Individual |
| Owner Name | NIELSEN JEFFREY STEPHEN |
| Street | 961 B ST |
| City | ASHLAND |
| State | OR |
| Zip Code | 97520-2031 |
| Region | Northwest Mountain |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-05-24 |
| Certificate Issue Date | 2005-01-04 |
| Last Action Date | 2022-07-27 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50276726 |
| Mode S Code Hex | A17DD6 |