Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N88942.
| Tail Number / N-Number | N88942 |
| Manufacturer | PIASECKI |
| Model | HUP-2 |
| Year Built | 1965 |
| Manufacturer's Serial Number | 128549 |
| Aircraft Type | Rotorcraft |
| 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 | WRIGHT |
| Engine Model | 1820F2B-F52 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 890 hp (664 kW) |
| Average Cruising Speed | 64 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CITADEL CORPORATION |
| Street | 1180 SO BEVERLY DRIVE |
| City | LOS ANGELES |
| State | CA |
| Zip Code | 90035 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1975-04-21 |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2017-02-04 |
| Mode S Code | 53041103 |
| Mode S Code Hex | AC4243 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N88942.
| Tail Number / N-Number | N88942 |
| Manufacturer | DOUGLAS |
| Model | C54G-DC |
| Manufacturer's Serial Number | 36076 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 60 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 173 miles per hour |
| Type of Registrant | Government |
| Owner Name | U.S.A.F. OWNER TRANS AIR LINES INC OPERATOR |
| Street | OAKLAND MUNICIPAL ARPT |
| City | OAKLAND |
| State | CA |
| Zip Code | 94601 |
| Region | Western-Pacific |
| Certificate Issue Date | 1951-01-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1953-04-15 |
| Mode S Code | 53041103 |
| Mode S Code Hex | AC4243 |