| Tail Number / N-Number | N330RM |
| Manufacturer | MANARIN ROLAND R |
| Model | LANCAIR IVP EXP |
| Year Built | 1996 |
| Manufacturer's Serial Number | LIV-044 |
| 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 | LLC |
| Owner Name | CASTLE ROCK SERVICES LLC |
| Street | 3302 AIRPORT RD |
| City | HELENA |
| State | MT |
| Zip Code | 59601-1200 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-09-20 |
| Certificate Issue Date | 2021-08-20 |
| Last Action Date | 2021-08-20 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 50713522 |
| Mode S Code Hex | A39752 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N330RM.
| Tail Number / N-Number | N330RM |
| Manufacturer | MIDDLEN RICHARD O |
| Model | GLASAIR III |
| Manufacturer's Serial Number | 3153 |
| Aircraft Type | Fixed wing single engine |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | MIDDLEN RICHARD O |
| Street | RR 2 BOX 40 |
| City | SIOUX FALLS |
| State | SD |
| Zip Code | 57103 |
| County | Lewis and Clark County |
| Country | US |
| Certificate Issue Date | 1990-01-16 |
| Last Action Date | 1993-02-26 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1993-04-23 |