| Tail Number / N-Number | N555RM |
| Manufacturer | SIEMSEN RANDALL R |
| Model | RV 3/A1 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 397 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | Individual |
| Owner Name | CULWELL LEWIS D |
| Street | 6105 ELKHORN RD |
| City | HELENA |
| State | MT |
| Zip Code | 59602-9797 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1988-07-05 |
| Certificate Issue Date | 2023-01-22 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51611601 |
| Mode S Code Hex | A71381 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N555RM.
| Tail Number / N-Number | N555RM |
| Manufacturer | CESSNA |
| Model | 310Q |
| Manufacturer's Serial Number | 310Q0995 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MARSH RONALD E |
| Street | 1128 23RD ST |
| City | MASSILLON |
| State | OH |
| Zip Code | 44646 |
| Region | Great Lakes |
| County | Lewis and Clark County |
| Certificate Issue Date | 1975-05-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-03-03 |