- MAIN DRIVE SHAFT ASSY
- MAIN ROTOR MAST ASSY
- 42° GEARBOX ASSY
- 90 GEARBOX ASSY

- MAIN TRANSMISION ASSY
- TRANSMISSION QUILLS ASSY
- SCISSORS AND SLEEVE ASSY
- MAIN ROTOR HUB ASSY
- SWASHPLATE AND SUPPORT ASSY
- INSPECCIONES DE CUMPLIMIENTO HORARIO Y CALENDARIO