| Tail Number / N-Number | N66RM |
| Manufacturer | LAMBORN R/LAMBORN J |
| Model | ROTORWAY EXEC 90 |
| Manufacturer's Serial Number | 3225 |
| 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 | RW152 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | Individual |
| Owner Name | MILLER RICHARD S |
| Street | 17 SHELLY DR |
| City | ELLENVILLE |
| State | NY |
| Zip Code | 12428-1809 |
| Region | Eastern |
| County | Ulster County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-12-10 |
| Certificate Issue Date | 2018-07-30 |
| Last Action Date | 2021-02-13 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 52131543 |
| Mode S Code Hex | A8B363 |