| Tail Number / N-Number | N66878 |
| Manufacturer | BEECH |
| Model | 58 |
| Year Built | 1979 |
| Manufacturer's Serial Number | TH-1100 |
| 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 | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 285 hp (213 kW) |
| Total Horsepower | 570 hp (425 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | LLC |
| Owner Name | COOL BLUE AIR LLC |
| Street | 3511 SILVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810-4902 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-12-14 |
| Certificate Issue Date | 2011-05-14 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 52152537 |
| Mode S Code Hex | A8D55F |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N66878.
| Tail Number / N-Number | N66878 |
| Manufacturer | PIPER |
| Model | PA-31-350 |
| Manufacturer's Serial Number | 317405404 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 162 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SEVEN BAR FLYING SERVICE |
| Street | 1000001 COORS ROAD |
| City | ALBUQUERQUE |
| State | NM |
| Zip Code | 87114 |
| Region | Southwestern |
| County | New Castle County |
| Certificate Issue Date | 1975-06-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-07-01 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N66878.
| Tail Number / N-Number | N66878 |
| Manufacturer | BEECH |
| Model | AT-11 |
| Year Built | 1943 |
| Manufacturer's Serial Number | 3413 |
| Aircraft Type | Fixed wing multi engine |
| 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 | 2 engines |
| Average Cruising Speed | 152 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MUNOZ FRANCISCO |
| Street | 555 10TH ST |
| City | IMPERIAL BEACH |
| State | CA |
| Zip Code | 91932 |
| Region | Western-Pacific |
| County | New Castle County |
| Certificate Issue Date | 1963-05-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1963-05-29 |
| Exported To | MEXICO |