Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4051S.
| Tail Number / N-Number | N4051S |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 7948 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WRIGHT EDWAD B |
| Street | RR 2 BOX 300 |
| City | CARMEL |
| State | IN |
| Zip Code | 46032 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-06-12 |
| Certificate Issue Date | 1979-09-05 |
| Last Action Date | 1991-08-03 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-03-07 |
| Mode S Code | 51140700 |
| Mode S Code Hex | A4C1C0 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4051S.
| Tail Number / N-Number | N4051S |
| Manufacturer | SIKORSKY |
| Model | S-65C |
| Manufacturer's Serial Number | 65407 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 41 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 99 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | UNITED TECHNOLOGIES CORP |
| Street | SIKORSKY AIRCRAFT DIVISION MAIN STREET |
| City | STRATFORD |
| State | CT |
| Zip Code | 06602 |
| Region | New England |
| Certificate Issue Date | 1975-08-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-10-10 |
| Exported To | ISRAEL |
| Mode S Code | 51140700 |
| Mode S Code Hex | A4C1C0 |