Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N500MK.
| Tail Number / N-Number | N500MK |
| Manufacturer | BEECH |
| Model | D18S |
| Year Built | 1946 |
| Manufacturer's Serial Number | A-216 |
| 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 | AERIAL SURVEYS INC |
| Street | C/O MARDEN 1325 LOWELL RD |
| City | CONDORD |
| State | MA |
| Zip Code | 01742-5524 |
| Country | US |
| Airworthiness Classification | Special Flight Permit |
| Airworthiness Date | 2002-08-30 |
| Certificate Issue Date | 2001-04-16 |
| Last Action Date | 2009-01-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-03-24 |
| Mode S Code | 51435415 |
| Mode S Code Hex | A63B0D |