| Tail Number / N-Number | N77M |
| Manufacturer | TEXTRON AVIATION INC |
| Model | 525C |
| Year Built | 2021 |
| Manufacturer's Serial Number | 525C0367 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ44-4A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,443 pounds-force (15.3 kN) |
| Total Thrust | 6,886 pounds-force (30.6 kN) |
| Type of Registrant | LLC |
| Owner Name | JL MARK LLC |
| Street | 124 W PINE ST |
| City | MISSOULA |
| State | MT |
| Zip Code | 59802-4222 |
| Region | Northwest Mountain |
| County | Missoula County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-12-03 |
| Certificate Issue Date | 2021-12-14 |
| Last Action Date | 2021-12-14 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 52463701 |
| Mode S Code Hex | AA67C1 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N77M.
| Tail Number / N-Number | N77M |
| Manufacturer | BEECH |
| Model | F90 |
| Manufacturer's Serial Number | LA213 |
| 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) |
| Number of Engines | 2 engines |
| Type of Registrant | Individual |
| County | Missoula County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1990-11-07 |
| Exported To | BRAZIL |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N77M.
| Tail Number / N-Number | N77M |
| Manufacturer | DAVIS |
| Model | V-3 |
| Year Built | 1929 |
| Manufacturer's Serial Number | 118 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DABROWSKY JOSEPH |
| Street | R D #3 |
| City | WATTSBURG |
| State | PA |
| Zip Code | 16442 |
| Region | Eastern |
| County | Missoula County |
| Last Status | Valid Registration |
| Cancellation Date | 1948-02-16 |