Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4057P.
| Tail Number / N-Number | N4057P |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1980 |
| Manufacturer's Serial Number | 10116 |
| 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 | ROBERTSON SKYBOAT |
| Other Names |
|
| Street | POB 1904 1750 LEE RD 23 |
| City | QUINCY |
| State | CA |
| Zip Code | 95971 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-06-02 |
| Certificate Issue Date | 1991-05-07 |
| Last Action Date | 1994-11-09 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-07-30 |
| Mode S Code | 51141217 |
| Mode S Code Hex | A4C28F |