| Tail Number / N-Number | N688BA |
| Manufacturer | FRANK R GERWAT |
| Model | BENSON GYROCOPTER |
| Year Built | 1985 |
| Manufacturer's Serial Number | FG85B64532 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | MCCULLOCH |
| Engine Model | 4318 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 72 hp (54 kW) |
| Type of Registrant | Individual |
| Owner Name | SHELDON RANALL W |
| Street | 175B PAULARINO AVE |
| City | COSTA MESA |
| State | CA |
| Zip Code | 92626 |
| Region | Western-Pacific |
| County | Orange County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-12-05 |
| Certificate Issue Date | 2020-03-25 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 52220411 |
| Mode S Code Hex | A92109 |