Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1806M.
| Tail Number / N-Number | N1806M |
| Manufacturer | LOCKHEED |
| Model | 18-50 |
| Year Built | 1942 |
| Manufacturer's Serial Number | 2284 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 17 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | C9GC&D SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,200 hp (895 kW) |
| Total Horsepower | 2,400 hp (1,790 kW) |
| Average Cruising Speed | 184 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DALLAS AIRCRAFT INVESTMENT INC |
| Street | RED BIRD ARPT ADM BLDG RM 101 |
| City | DALLAS |
| State | TX |
| Zip Code | 75237 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1967-07-27 |
| Last Action Date | 1977-01-14 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-07-09 |
| Mode S Code | 50241742 |
| Mode S Code Hex | A143E2 |