| Tail Number / N-Number | N77PN |
| Type of Reservation | N-Number change is in process |
| Reserving Party Name | TSO LLC |
| Street | 1001 S MAIN ST |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-5635 |
| Date Reserved | 2022-07-06 |
| Changing from N-Number | N125 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N77PN.
| Tail Number / N-Number | N77PN |
| Manufacturer | PIPER |
| Model | PA-31-350 |
| Year Built | 1975 |
| Manufacturer's Serial Number | 31-7552089 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 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 | 162 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | QUALITY OCEANOGRAPHIC & RESEARCH |
| Street | 306 S STATE ST |
| City | DOVER |
| State | DE |
| Zip Code | 19901 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-05-23 |
| Certificate Issue Date | 1983-08-31 |
| Last Action Date | 1991-03-30 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-30 |