Keystone Helicopter Corporation
13,239 FAA-approved PMA parts
| Part Number | Part Name | OEM Make | Status | Date |
|---|---|---|---|---|
| 06076-21B020 | Fresh Air Check Valve Assy | Sikorsky | Historical | 2009-04-07 |
| 06076-21B021 | Check Valve/Air Duct Assy | Sikorsky | Historical | 2007-10-24 |
| 06076-21B200 | STA 215 Heat Plenum | Sikorsky | Historical | 2007-10-24 |
| 06076-21B201 | STA 215 AC Plenum | Sikorsky | Historical | 2007-10-24 |
| 06076-21B203 | Air Check Valve Body | Sikorsky | Historical | 2007-10-24 |
| 06076-21B204 | Valve Hinge | Sikorsky | Historical | 2007-10-24 |
| 06076-21B205 | Valve Flap | Sikorsky | Historical | 2007-10-24 |