Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N8036Y.
| Tail Number / N-Number | N8036Y |
| Manufacturer | KIEFFER ROBERT L |
| Model | BENSEN GYROCOPTER |
| Year Built | 1979 |
| Manufacturer's Serial Number | 21243 |
| 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 | 4318A&E/0-100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 72 hp (54 kW) |
| Type of Registrant | Individual |
| Owner Name | KIEFFER ROBERT L |
| Street | 28465 N HIGHVIEW RD |
| City | MCHENRY |
| State | IL |
| Zip Code | 60050 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-09-19 |
| Certificate Issue Date | 1979-09-20 |
| Last Action Date | 2007-11-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-05-13 |
| Mode S Code | 52570103 |
| Mode S Code Hex | AAF043 |