| Tail Number / N-Number | N520MD |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 500N |
| Year Built | 1992 |
| Manufacturer's Serial Number | LN039 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C20R/2 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Type of Registrant | Government |
| Owner Name | CHATHAM COUNTY MOSQUITO CONTROL |
| Street | 65 BILLY B HAIR DR |
| City | SAVANNAH |
| State | GA |
| Zip Code | 31408-9068 |
| Region | Southern |
| County | Chatham County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-04-12 |
| Certificate Issue Date | 2018-08-20 |
| Last Action Date | 2021-03-22 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51505005 |
| Mode S Code Hex | A68A05 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N520MD.
| Tail Number / N-Number | N520MD |
| Manufacturer | MCDONNELL DOUGLAS HELICOPTER |
| Model | 500N |
| Manufacturer's Serial Number | LN018 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | MARKS PARKS INC TRUSTEE |
| Street | 1209 N ORANGE ST |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19801-1120 |
| County | Chatham County |
| Country | US |
| Certificate Issue Date | 2001-02-08 |
| Last Action Date | 2001-02-08 |
| Last Status | Valid Registration |
| Cancellation Date | 2001-02-23 |
| Exported To | UNITED KINGDOM |