Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4156A.
| Tail Number / N-Number | N4156A |
| Manufacturer | BENSEN |
| Model | B-8M |
| Year Built | 1966 |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Gyroplane |
| 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) |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SALE REPORTED |
| Street | PO BOX 25082 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1966-10-06 |
| Last Action Date | 1977-01-14 |
| Last Status | Sale Reported – Pending Cancellation |
| Cancellation Date | 2012-08-01 |
| Mode S Code | 51164736 |
| Mode S Code Hex | A4E9DE |