Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N156NA.
| Tail Number / N-Number | N156NA |
| Manufacturer | BEECH |
| Model | D18S |
| Year Built | 1946 |
| Manufacturer's Serial Number | A-138 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ROYAL AIR INC |
| Street | 2141 AIRPORT RD |
| City | WATERFORD |
| State | MI |
| Zip Code | 48327-1207 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-08-29 |
| Certificate Issue Date | 1967-06-02 |
| Last Action Date | 2008-03-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-05-23 |
| Mode S Code | 50160646 |
| Mode S Code Hex | A0E1A6 |