| Tail Number / N-Number | N643DC |
| Manufacturer | DIAMOND AIRCRAFT IND INC |
| Model | DA20-C1 |
| Year Built | 2001 |
| Manufacturer's Serial Number | C0143 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-240 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 128 hp (95 kW) |
| Type of Registrant | LLC |
| Owner Name | MOUNTAIN AVIATION LLC |
| Street | PO BOX 196 |
| City | SALEM |
| State | VA |
| Zip Code | 24153-0196 |
| Region | Eastern |
| County | Salem city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-02-12 |
| Certificate Issue Date | 2018-09-06 |
| Last Action Date | 2021-08-17 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 52070256 |
| Mode S Code Hex | A870AE |