| Tail Number / N-Number | N520N |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 500N |
| Year Built | 1992 |
| Manufacturer's Serial Number | LN031 |
| Aircraft Type | Rotorcraft |
| 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 | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Type of Registrant | LLC |
| Owner Name | T-AIR LLC |
| Street | 1313 AUSTIN CROSSROAD |
| City | COLUMBIA FALLS |
| State | MT |
| Zip Code | 59912-9344 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1992-07-01 |
| Certificate Issue Date | 2012-01-21 |
| Last Action Date | 2020-08-14 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 51505032 |
| Mode S Code Hex | A68A1A |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N520N.
| Tail Number / N-Number | N520N |
| Manufacturer | CURTISS ROBERTSON |
| Model | ROBIN J-1 |
| Manufacturer's Serial Number | 717 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | WALTER LESLIE AND DONALD FORD |
| Street | BOX 563 |
| City | NOME |
| State | AK |
| Zip Code | 99507 |
| Region | Alaskan |
| County | Flathead County |
| Certificate Issue Date | 1951-05-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-10-18 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N520N.
| Tail Number / N-Number | N520N |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 500N |
| Manufacturer's Serial Number | LN037 |
| Aircraft Type | Rotorcraft |
| 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 |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | NONE |
| City | XXX |
| State | OK |
| Zip Code | 73125 |
| County | Flathead County |
| Country | US |
| Last Action Date | 1998-12-15 |
| Last Status | Sale reported |
| Cancellation Date | 1999-01-07 |
| Exported To | SWITZERLAND |