| Tail Number / N-Number | N181AK |
| Manufacturer | WEFLEN ARVID |
| Model | WPA-18-180WB |
| Year Built | 1992 |
| Manufacturer's Serial Number | W1991 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-360-C2E |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | WEFLEN ARVID W |
| Other Names |
|
| Street | PO BOX 80311 |
| City | FAIRBANKS |
| State | AK |
| Zip Code | 99708-0311 |
| Region | Alaskan |
| County | Fairbanks North Star Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1992-04-17 |
| Certificate Issue Date | 2009-06-03 |
| Last Action Date | 2020-05-08 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50242155 |
| Mode S Code Hex | A1446D |