| Tail Number / N-Number | N623YT |
| Manufacturer | SORGE STEVEN D |
| Model | SPEEDMAIL SPECIAL |
| Year Built | 2004 |
| Manufacturer's Serial Number | 623 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Type of Registrant | Individual |
| Owner Name | SORGE STEVEN D |
| Street | S105W37570 ESTATES DR |
| City | EAGLE |
| State | WI |
| Zip Code | 53119-1739 |
| Region | Great Lakes |
| County | Waukesha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-10-17 |
| Certificate Issue Date | 2003-04-01 |
| Last Action Date | 2022-10-12 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52021632 |
| Mode S Code Hex | A8239A |