| Tail Number / N-Number | N146TH |
| Manufacturer | EUROCOPTER |
| Model | AS 350 B2 ECUREUIL |
| Year Built | 2004 |
| Manufacturer's Serial Number | 9065 |
| 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 1D1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 712 hp (531 kW) |
| Type of Registrant | Corporation |
| Owner Name | TEMSCO HELICOPTERS INC |
| Street | PO BOX 5057 |
| City | KETCHIKAN |
| State | AK |
| Zip Code | 99901-0057 |
| Region | Alaskan |
| County | Ketchikan Gateway Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2004-06-28 |
| Certificate Issue Date | 2004-06-18 |
| Last Action Date | 2020-08-10 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 50135253 |
| Mode S Code Hex | A0BAAB |