Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N9986Z.
| Tail Number / N-Number | N9986Z |
| Manufacturer | SIKORSKY |
| Model | S-51 |
| Manufacturer's Serial Number | 123133 |
| Aircraft Type | Rotorcraft |
| 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 | 77 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LINZA CHAS D |
| Street | 2801 E SPRING ST |
| City | LONG BEACH |
| State | CA |
| Zip Code | 90806 |
| Region | Western-Pacific |
| Last Status | Valid Registration |
| Cancellation Date | 1970-06-24 |
| Exported To | SPAIN |
| Mode S Code | 53371635 |
| Mode S Code Hex | ADF39D |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N9986Z.
| Tail Number / N-Number | N9986Z |
| Manufacturer | CESSNA |
| Model | U206G |
| Manufacturer's Serial Number | U20606796 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 132 miles per hour |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1988-06-29 |
| Mode S Code | 53371635 |
| Mode S Code Hex | ADF39D |