Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1521K.
| Tail Number / N-Number | N1521K |
| Manufacturer | AEROSPATIALE |
| Model | SA316B ALOUETTE III |
| Year Built | 1964 |
| Manufacturer's Serial Number | 1521 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARTOUSTEIIIB |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 858 hp (640 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ROBERTS AIRCRAFT CO |
| Street | 4101 EVANS AVE |
| City | CHEYENNE |
| State | WY |
| Zip Code | 82001-1469 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-05-11 |
| Certificate Issue Date | 1999-06-25 |
| Last Action Date | 2010-05-18 |
| Last Status | First Notice for Re-Registration/Renewal |
| Cancellation Date | 2011-09-28 |
| Mode S Code | 50152042 |
| Mode S Code Hex | A0D422 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1521K.
| Tail Number / N-Number | N1521K |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Manufacturer's Serial Number | 11049 |
| 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) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILSEY DAVID E |
| Street | 2441 MILFORD SQUARE PIKE |
| City | QUAKERTOWN |
| State | PA |
| Zip Code | 18951 |
| Country | US |
| Certificate Issue Date | 1988-05-31 |
| Last Action Date | 1994-05-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-07-19 |
| Mode S Code | 50152042 |
| Mode S Code Hex | A0D422 |