| Tail Number / N-Number | N129RM |
| Manufacturer | RUSSELL MADDEN |
| Model | PIETENPOL |
| Year Built | 2018 |
| Manufacturer's Serial Number | 120555 |
| 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 | CONT MOTOR |
| Engine Model | C85-12 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Type of Registrant | Individual |
| Owner Name | MADDEN RUSSELL |
| Street | 721 DOVE LN |
| City | GRAFORD |
| State | TX |
| Zip Code | 76449-3140 |
| Region | Southwestern |
| County | Palo Pinto County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2018-12-02 |
| Certificate Issue Date | 2017-09-08 |
| Last Action Date | 2020-04-07 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50073244 |
| Mode S Code Hex | A076A4 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N129RM.
| Tail Number / N-Number | N129RM |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Year Built | 1973 |
| Manufacturer's Serial Number | 27-7405301 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AMHERST EQUIPMENT LEASING INC |
| Street | 36 DEER PASS ROAD |
| City | FRANCONIA |
| State | NH |
| Zip Code | 03580 |
| County | Palo Pinto County |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1982-06-28 |
| Last Action Date | 1985-06-28 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-06-14 |