Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N99979.
| Tail Number / N-Number | N99979 |
| Manufacturer | AERYON LABS INC |
| Model | SKY RANGER |
| Manufacturer's Serial Number | SR9012061/SR9089666 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Last Action Date | 2016-09-26 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2017-04-19 |
| Mode S Code | 53373601 |
| Mode S Code Hex | ADF781 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N99979.
| Tail Number / N-Number | N99979 |
| Manufacturer | PILATUS |
| Model | B-4 |
| Manufacturer's Serial Number | 104 |
| Aircraft Type | Glider |
| 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 | 0 engines |
| Average Cruising Speed | 67 miles per hour |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-04-04 |
| Mode S Code | 53373601 |
| Mode S Code Hex | ADF781 |