| Tail Number / N-Number | N13SM |
| Manufacturer | MAYOR STEPHEN A |
| Model | SCORPION 133 |
| Year Built | 1981 |
| Manufacturer's Serial Number | SM-1 |
| Aircraft Type | Rotorcraft |
| 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 | ROTORWAY |
| Engine Model | RW-133 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 160 hp (119 kW) |
| Type of Registrant | Individual |
| Owner Name | SPENCER CRAIG A |
| Street | 1300 BIG PINE AVE |
| City | BIG PINE KEY |
| State | FL |
| Zip Code | 33043-3336 |
| Region | Southern |
| County | Monroe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-08-04 |
| Certificate Issue Date | 1993-02-17 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-01-31 |
| Status | Valid Registration |
| Mode S Code | 50075164 |
| Mode S Code Hex | A07A74 |