Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N81591.
| Tail Number / N-Number | N81591 |
| Manufacturer | DYGERT EDWARD J |
| Model | SCORPION 133 |
| Year Built | 1989 |
| Manufacturer's Serial Number | 616814085 |
| 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 | DYGERT EDWARD J |
| Street | RD 2 BOX 562 |
| City | FULTON |
| State | NY |
| Zip Code | 13069 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1990-07-12 |
| Certificate Issue Date | 1989-06-14 |
| Last Action Date | 1998-09-11 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-09-25 |
| Mode S Code | 52617634 |
| Mode S Code Hex | AB1F9C |