Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N44623.
| Tail Number / N-Number | N44623 |
| Manufacturer | BEECH |
| Model | D18S |
| Year Built | 1945 |
| Manufacturer's Serial Number | A-31 |
| 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 | Individual |
| Owner Name | J W DUFF AIRCRAFT CO |
| Other Names |
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| Street | 8131 E 40TH AVE |
| City | DENVER |
| State | CO |
| Zip Code | 80207 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-29 |
| Certificate Issue Date | 1995-03-09 |
| Last Action Date | 2011-03-30 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2017-10-06 |
| Mode S Code | 51261641 |
| Mode S Code Hex | A563A1 |