| Tail Number / N-Number | N399JB |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Manufacturer's Serial Number | 1236 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER CO |
| Street | 2901 AIRPORT DR |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505-6115 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Last Action Date | 2022-12-19 |
| Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Mode S Code | 51122402 |
| Mode S Code Hex | A4A502 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N399JB.
| Tail Number / N-Number | N399JB |
| Manufacturer | BROWN JOHN |
| Model | WOODSTOCK |
| Manufacturer's Serial Number | W399-JB |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Individual |
| Owner Name | BROWN JOHN H |
| Street | 2800 JERSEY RD |
| City | WINTER HAVEN |
| State | FL |
| Zip Code | 33881-1082 |
| County | Los Angeles County |
| Country | US |
| Certificate Issue Date | 1988-02-26 |
| Last Action Date | 2013-01-15 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-04-30 |