| Tail Number / N-Number | N4DS |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Year Built | 2019 |
| Manufacturer's Serial Number | 0955 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C300/A1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | LLC |
| Owner Name | N4DS LLC |
| Street | 1001 S MAIN ST STE 700 |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-5635 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-10-17 |
| Certificate Issue Date | 2021-09-07 |
| Last Action Date | 2021-09-07 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 51124113 |
| Mode S Code Hex | A4A84B |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4DS.
| Tail Number / N-Number | N4DS |
| Manufacturer | SWANSON DAN |
| Model | CHRISTEN EAGLE II |
| Manufacturer's Serial Number | SWANSON 0001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | SWANSON DAN |
| Street | 2400 PICKETT ST |
| City | LONGVIEW |
| State | TX |
| Zip Code | 75601 |
| County | Flathead County |
| Country | US |
| Certificate Issue Date | 1982-10-20 |
| Last Action Date | 2009-11-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-06-04 |