| Tail Number / N-Number | N425PM |
| Manufacturer | STEMME AG |
| Model | STEMME S 12 |
| Year Built | 2021 |
| Manufacturer's Serial Number | 12-038 |
| Aircraft Type | Glider |
| 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 | BRP-ROTAX |
| Engine Model | 914 F2 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | MCWHIRTER PAUL |
| Street | 3396 ROSSI ST |
| City | LAFAYETTE |
| State | CA |
| Zip Code | 94549-2320 |
| Region | Western-Pacific |
| County | Contra Costa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-07-09 |
| Certificate Issue Date | 2021-10-05 |
| Last Action Date | 2021-10-05 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51207603 |
| Mode S Code Hex | A50F83 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N425PM.
| Tail Number / N-Number | N425PM |
| Manufacturer | HANKS JW |
| Model | B-8M |
| Manufacturer's Serial Number | 11 |
| Aircraft Type | Rotorcraft |
| 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) |
| Number of Engines | 1 engine |
| County | Contra Costa County |
| Last Action Date | 1982-09-29 |
| Last Status | N-Number assigned as a Non Type Certificated (Amateur) but has not been registered that is pending cancellation |
| Cancellation Date | 2011-04-15 |