| Tail Number / N-Number | N556DC |
| Manufacturer | DIAMOND AIRCRAFT IND INC |
| Model | DA20-C1 |
| Year Built | 2001 |
| Manufacturer's Serial Number | C0156 |
| 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 | WILLAMETTE AVIATION SERVICE LLC |
| Street | 23115 AIRPORT RD NE STE 8 |
| City | AURORA |
| State | OR |
| Zip Code | 97002-8503 |
| Region | Northwest Mountain |
| County | Marion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2001-10-25 |
| Certificate Issue Date | 2019-04-03 |
| Last Action Date | 2021-11-13 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 51613003 |
| Mode S Code Hex | A71603 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N556DC.
| Tail Number / N-Number | N556DC |
| Manufacturer | AERO COMMANDER |
| Model | 680FL P |
| Manufacturer's Serial Number | 165533 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 188 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DRAVO CORP |
| Street | PO BOX 1028 |
| City | BELLEVUE |
| State | WA |
| Zip Code | 98004 |
| Region | Northwest Mountain |
| County | Marion County |
| Certificate Issue Date | 1966-12-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1969-04-08 |
| Exported To | AUSTRALIA |