| Tail Number / N-Number | N39721 |
| Manufacturer | WACO |
| Model | UPF-7 |
| Year Built | 1942 |
| Manufacturer's Serial Number | 5854 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | W670 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | LLC |
| Owner Name | FLYING ADVENTURES TM LLC DBA |
| Other Names |
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| Street | PO BOX 55 |
| City | TALKEETNA |
| State | AK |
| Zip Code | 99676-0055 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1947-04-25 |
| Certificate Issue Date | 2021-05-19 |
| Last Action Date | 2021-05-19 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51117602 |
| Mode S Code Hex | A49F82 |