Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N5520.
| Tail Number / N-Number | N5520 |
| Manufacturer | WILLIS JOHN W |
| Model | ULS-2 |
| Manufacturer's Serial Number | 22226TH6R-1 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | DUVALL JOHN D |
| Street | 10383 HARDINSBURG RD |
| City | CECILIA |
| State | KY |
| Zip Code | 42724 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1987-06-06 |
| Certificate Issue Date | 1990-08-21 |
| Last Action Date | 2009-03-17 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-06-18 |
| Mode S Code | 51604461 |
| Mode S Code Hex | A70931 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N5520.
| Tail Number / N-Number | N5520 |
| Manufacturer | LOCKHEED |
| Model | 188A |
| Manufacturer's Serial Number | 188A1030 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 102 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 336 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EASTERN AIR LINES INC |
| Street | 10 ROCKEFELLER PLAZA |
| City | NEW YORK |
| State | NY |
| Zip Code | 10001 |
| Region | Eastern |
| Certificate Issue Date | 1959-03-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-11-26 |
| Exported To | COLOMBIA |
| Mode S Code | 51604461 |
| Mode S Code Hex | A70931 |