| Tail Number / N-Number | N4055X |
| Manufacturer | MAULE |
| Model | M-6-235 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 5055C |
| 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 | LYCOMING |
| Engine Model | O-540-B4B5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 235 hp (175 kW) |
| Type of Registrant | LLC |
| Owner Name | MONTANA BY AIR LLC |
| Street | PO BOX 2055 |
| City | CUT BANK |
| State | MT |
| Zip Code | 59427-2055 |
| Region | Northwest Mountain |
| County | Glacier County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-09-16 |
| Certificate Issue Date | 2004-02-17 |
| Last Action Date | 2022-03-10 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51141121 |
| Mode S Code Hex | A4C251 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4055X.
| Tail Number / N-Number | N4055X |
| Manufacturer | AERO COMMANDER |
| Model | 100-180 |
| Manufacturer's Serial Number | 5155 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RAYS USED EQUIPMENT INC |
| Street | PO BOX 90 |
| City | NOCONA |
| State | TX |
| Zip Code | 76255-0090 |
| County | Glacier County |
| Country | US |
| Certificate Issue Date | 1996-04-11 |
| Last Action Date | 1999-04-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1999-06-08 |