| Tail Number / N-Number | N337RM |
| Manufacturer | PIPER/MORRIS |
| Model | J5A |
| Manufacturer's Serial Number | 5-338 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Type of Registrant | Individual |
| Owner Name | ERFLE GORDON A |
| Street | PO BOX 5 |
| City | RAPELJE |
| State | MT |
| Zip Code | 59067-0005 |
| Region | Northwest Mountain |
| County | Stillwater County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-06-27 |
| Certificate Issue Date | 2017-05-16 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50730523 |
| Mode S Code Hex | A3B153 |