Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N156D.
| Tail Number / N-Number | N156D |
| Manufacturer | DON B. DAVIDSON |
| Model | DD MODEL B |
| Year Built | 1962 |
| Manufacturer's Serial Number | 3 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TRIUMPH |
| Engine Model | T SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 40 hp (30 kW) |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DAVISON DON B JR |
| Street | 1115 N JAMES ST |
| City | ROME |
| State | NY |
| Zip Code | 13440 |
| Country | US |
| Airworthiness Classification | Experimental |
| Certificate Issue Date | 1962-06-23 |
| Last Action Date | 2007-06-05 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-08-08 |
| Mode S Code | 50160304 |
| Mode S Code Hex | A0E0C4 |