| Tail Number / N-Number | N21BF |
| Manufacturer | DOUGLAS |
| Model | DC3 |
| Year Built | 1943 |
| Manufacturer's Serial Number | 9832 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | R-1830 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,350 hp (1,007 kW) |
| Total Horsepower | 2,700 hp (2,014 kW) |
| Average Cruising Speed | 174 miles per hour |
| Type of Registrant | LLC |
| Owner Name | OILAND LLC |
| Street | 255 W 35TH AVE |
| City | OSHKOSH |
| State | WI |
| Zip Code | 54902-7174 |
| Region | Great Lakes |
| County | Winnebago County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1995-05-03 |
| Certificate Issue Date | 2014-12-15 |
| Last Action Date | 2021-02-03 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50333510 |
| Mode S Code Hex | A1B748 |