| Tail Number / N-Number | N56DS |
| Manufacturer | CESSNA |
| Model | T337G |
| Year Built | 1973 |
| Manufacturer's Serial Number | P3370048 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-360-CB |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 225 hp (168 kW) |
| Total Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 142 miles per hour |
| Type of Registrant | LLC |
| Owner Name | M E L LLC |
| Street | 2711 CENTERVILLE RD STE 120 PMB 6844 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19808-1609 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2021-03-02 |
| Last Action Date | 2023-02-02 |
| Status | Valid Registration |
| Mode S Code | 51622355 |
| Mode S Code Hex | A724ED |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N56DS.
| Tail Number / N-Number | N56DS |
| Manufacturer | SCHAFER DENNIS |
| Model | LANCAIR 360 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | TESTA SHEREE L |
| Street | 4107 N 39TH ST |
| City | PHOENIX |
| State | AZ |
| Zip Code | 85018-4861 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-02-02 |
| Certificate Issue Date | 1996-01-11 |
| Last Action Date | 2008-01-15 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-11 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N56DS.
| Tail Number / N-Number | N56DS |
| Manufacturer | STEELE |
| Model | HATZ |
| Manufacturer's Serial Number | 100 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Partnership |
| Owner Name | SIMMONS HOWARD C |
| Street | 631 STONE ST |
| City | WINCHESTER |
| State | IN |
| Zip Code | 47394 |
| Region | Great Lakes |
| County | New Castle County |
| Certificate Issue Date | 1979-07-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1979-09-05 |