Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N49890.
| Tail Number / N-Number | N49890 |
| Manufacturer | SIKORSKY |
| Model | S-55B |
| Manufacturer's Serial Number | 551209 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HENDRICKSON FLYING SERVICE INC |
| Street | RFD 2 |
| City | ROCHELLE |
| State | IL |
| Zip Code | 61068 |
| Region | Great Lakes |
| Country | US |
| Certificate Issue Date | 1978-07-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1982-05-13 |
| Exported To | CANADA |
| Mode S Code | 51430574 |
| Mode S Code Hex | A6317C |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N49890.
| Tail Number / N-Number | N49890 |
| Manufacturer | MOONEY |
| Model | M20F |
| Year Built | 1976 |
| Manufacturer's Serial Number | 20-0075 |
| Aircraft Type | Fixed wing single 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 | 1 engine |
| Average Cruising Speed | 127 miles per hour |
| Last Action Date | 1984-05-08 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-04-26 |
| Mode S Code | 51430574 |
| Mode S Code Hex | A6317C |