| Tail Number / N-Number | N20855 |
| Manufacturer | CESSNA |
| Model | 182P |
| Year Built | 1972 |
| Manufacturer's Serial Number | 18261261 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | LLC |
| Owner Name | MISSION AVIATION LLC |
| Street | 6116 CALLOWAY BLVD |
| City | BILLINGS |
| State | MT |
| Zip Code | 59106-1062 |
| Region | Northwest Mountain |
| County | Yellowstone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1972-07-06 |
| Certificate Issue Date | 2018-07-18 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50331340 |
| Mode S Code Hex | A1B2E0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N20855.
| Tail Number / N-Number | N20855 |
| Manufacturer | PIPER |
| Model | J-3 |
| Manufacturer's Serial Number | 2154 |
| 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 | 56 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CLUGSTON HARRY L |
| Street | GEN DEL |
| City | MACOMB |
| State | IL |
| Zip Code | 60021 |
| Region | Great Lakes |
| County | Yellowstone County |
| Last Status | Valid Registration |
| Cancellation Date | 1965-06-05 |