| Tail Number / N-Number | N394NS |
| Manufacturer | S N I A S |
| Model | AS-350B ECUREUIL |
| Year Built | 1979 |
| Manufacturer's Serial Number | 1066 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIEL 1SER |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 681 hp (508 kW) |
| Type of Registrant | Corporation |
| Owner Name | NORTHSTAR TREKKING |
| Street | PO BOX 32540 |
| City | JUNEAU |
| State | AK |
| Zip Code | 99803-2540 |
| Region | Alaskan |
| County | Juneau City and Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-03-12 |
| Certificate Issue Date | 2005-05-05 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51111342 |
| Mode S Code Hex | A492E2 |