Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N57968.
| Tail Number / N-Number | N57968 |
| Manufacturer | VERTOL |
| Model | H21B |
| Year Built | 1955 |
| Manufacturer's Serial Number | 45 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 21 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | R-1820 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 1,475 hp (1,100 kW) |
| Average Cruising Speed | 76 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EAA AVIATION FOUNDATION INC |
| Street | EAA AVIATION CENTER PO BOX 3065 |
| City | OSHKOSH |
| State | WI |
| Zip Code | 54903-3065 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1976-08-25 |
| Certificate Issue Date | 1987-05-13 |
| Last Action Date | 2005-10-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2006-05-31 |
| Exported To | VENEZUELA |
| Mode S Code | 51671443 |
| Mode S Code Hex | A77323 |