| Tail Number / N-Number | N777WM |
| Manufacturer | MITSUBISHI |
| Model | MU-2B-40 |
| Manufacturer's Serial Number | 397 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AIRESEARCH |
| Engine Model | TPE331 SERIES |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 904 hp (674 kW) |
| Total Horsepower | 1,808 hp (1,349 kW) |
| Type of Registrant | Individual |
| Owner Name | POWER ALAN |
| Street | PO BOX 1148 |
| City | LOS ALAMOS |
| State | NM |
| Zip Code | 87544-1148 |
| Region | Southwestern |
| County | Los Alamos County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-07-26 |
| Certificate Issue Date | 2022-05-12 |
| Last Action Date | 2022-05-12 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 52502410 |
| Mode S Code Hex | AA8508 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N777WM.
| Tail Number / N-Number | N777WM |
| Manufacturer | PIPER |
| Model | PA-30 |
| Manufacturer's Serial Number | 30120 |
| 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 | 139 miles per hour |
| County | Los Alamos County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-07-16 |