Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N92820.
| Tail Number / N-Number | N92820 |
| Manufacturer | SIKORSKY |
| Model | R-4B |
| Manufacturer's Serial Number | 47 |
| Aircraft Type | Rotorcraft |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 56 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | UNITED AIRCRAFT CORP |
| Street | SOUTH AVENUE |
| City | BRIDGEPORT |
| State | CT |
| Zip Code | 06604 |
| Region | New England |
| Certificate Issue Date | 1946-07-18 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-10-13 |
| Mode S Code | 53157231 |
| Mode S Code Hex | ACDE99 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N92820.
| Tail Number / N-Number | N92820 |
| Manufacturer | BELL |
| Model | UH-1H |
| Manufacturer's Serial Number | 659743 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | LETCHER HELICOPTERS LLC |
| Street | PO BOX 19010 |
| City | JEAN |
| State | NV |
| Zip Code | 89019-9010 |
| Country | US |
| Last Action Date | 1997-04-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1997-04-22 |
| Exported To | SPAIN |
| Mode S Code | 53157231 |
| Mode S Code Hex | ACDE99 |