Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N91206.
| Tail Number / N-Number | N91206 |
| Manufacturer | SIKORSKY |
| Model | S-58 |
| Manufacturer's Serial Number | 581025 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 73 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HELICOPTER AIR LIFT SERVICES INC |
| Street | 1624 SO PALM 89 |
| City | LAS VEGAS |
| State | NV |
| Zip Code | 89104 |
| Country | US |
| Certificate Issue Date | 1981-01-29 |
| Last Action Date | 1984-03-10 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-11-24 |
| Mode S Code | 53120220 |
| Mode S Code Hex | ACA090 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N91206.
| Tail Number / N-Number | N91206 |
| Manufacturer | LOCKHEED |
| Model | 749-79 |
| Manufacturer's Serial Number | 2582 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 63 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 262 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | TRANS WORLD AIRLINES INC |
| Street | 101 WEST 11TH STREET |
| City | KANSAS CITY |
| State | MO |
| Zip Code | 64601 |
| Region | Central |
| Certificate Issue Date | 1948-05-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1968-09-10 |
| Mode S Code | 53120220 |
| Mode S Code Hex | ACA090 |