| Tail Number / N-Number | N1668U |
| Manufacturer | CESSNA |
| Model | 207 |
| Year Built | 1975 |
| Manufacturer's Serial Number | 20700268 |
| Aircraft Type | Fixed wing single engine |
| 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 | CONT MOTOR |
| Engine Model | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TWETO JAMES B |
| Street | PO BOX 207 |
| City | UNALAKLEET |
| State | AK |
| Zip Code | 99684-0207 |
| Region | Alaskan |
| County | Nome Census Area |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-05-14 |
| Certificate Issue Date | 2016-02-12 |
| Last Action Date | 2021-09-21 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50205573 |
| Mode S Code Hex | A10B7B |