| Tail Number / N-Number | N42MR |
| Manufacturer | ROBERTSON |
| Model | R1U1 |
| Year Built | 1971 |
| Manufacturer's Serial Number | 529-42-2453 |
| 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) |
| Engine Manufacturer | FRANKLIN |
| Engine Model | 4A235 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 135 hp (101 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | NEIDERT MELVIN E |
| Other Names |
|
| Street | 3850 W ROAD 8 |
| City | USYSSES |
| State | KS |
| Zip Code | 67880 |
| Region | Central |
| County | Grant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-06-12 |
| Certificate Issue Date | 2002-04-24 |
| Last Action Date | 2022-08-14 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51175151 |
| Mode S Code Hex | A4FA69 |