Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51878.
| Tail Number / N-Number | N51878 |
| Manufacturer | COOK |
| Model | AX-3 |
| Year Built | 1978 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | COOK WAYNE F |
| Street | 10542 FARMINGHAM |
| City | HOUSTON |
| State | TX |
| Zip Code | 77099 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-05-24 |
| Certificate Issue Date | 1978-03-13 |
| Last Action Date | 2004-06-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-02-17 |
| Mode S Code | 51501225 |
| Mode S Code Hex | A68295 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51878.
| Tail Number / N-Number | N51878 |
| Manufacturer | DOUGLAS |
| Model | DC3C-S1C3G |
| Year Built | 1945 |
| Manufacturer's Serial Number | 4542 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Government |
| Owner Name | WAR ASSETS ADMINISTRATION |
| Street | RAILROAD RETIREMENT BLDG. 4TH & D STREETS S W |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20001 |
| Region | Eastern |
| Certificate Issue Date | 1946-05-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1946-12-26 |
| Mode S Code | 51501225 |
| Mode S Code Hex | A68295 |