Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4066A.
| Tail Number / N-Number | N4066A |
| Manufacturer | BELL |
| Model | HTL-2 |
| Manufacturer's Serial Number | 4 |
| Aircraft Type | Rotorcraft |
| 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 |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Government |
| Owner Name | WILLIAMSPORT AREA COMMUNITY COLLEGE |
| Street | 1005 W THIRD ST |
| City | WILLIAMSPORT |
| State | PA |
| Zip Code | 17701 |
| Region | Eastern |
| Certificate Issue Date | 1969-09-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1972-12-12 |
| Mode S Code | 51143026 |
| Mode S Code Hex | A4C616 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4066A.
| Tail Number / N-Number | N4066A |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1979 |
| Manufacturer's Serial Number | 10016 |
| 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 | Corporation |
| Owner Name | BALLOON WORKS |
| Street | RT 2 BOX 181A |
| City | STATESVILLE |
| State | NC |
| Zip Code | 28677 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-10-22 |
| Last Action Date | 1989-02-03 |
| Last Status | Expired Dealer |
| Cancellation Date | 2007-05-30 |
| Mode S Code | 51143026 |
| Mode S Code Hex | A4C616 |