Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51803.
| Tail Number / N-Number | N51803 |
| Manufacturer | SIKORSKY |
| Model | S-58 |
| Manufacturer's Serial Number | 148021 |
| 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 | Individual |
| Owner Name | SALTER RICHARD JOHN |
| Street | 5067 W MONCRIEFF PL |
| City | DENVER |
| State | CO |
| Zip Code | 80212 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1979-03-09 |
| Certificate Issue Date | 1979-04-26 |
| Last Action Date | 2003-06-26 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-04-01 |
| Mode S Code | 51500633 |
| Mode S Code Hex | A6819B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51803.
| Tail Number / N-Number | N51803 |
| Manufacturer | BOEING |
| Model | A75N1 |
| Manufacturer's Serial Number | 75-2297 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | ORVILLE M FLORINE |
| Street | BOX 129 |
| City | ANGOLA |
| State | IN |
| Zip Code | 46703 |
| Region | Great Lakes |
| Certificate Issue Date | 1946-12-13 |
| Last Status | Valid Registration |
| Cancellation Date | 1947-11-26 |
| Mode S Code | 51500633 |
| Mode S Code Hex | A6819B |