Continued Airworthiness
MT-Propeller encourages their customers to report to the MT-Propeller Engineering Team
the following items, if one of the issues mentioned below occur during operation:
1) The following are regarded as Hazardous Propeller Effects:
- The development of excessive drag.
- A significant thrust in a direction opposite to the commands by the pilot.
- A loss of the propeller or any major portion of the propeller during operation.
- A failure that results in excessive unbalance.
2) The following are regarded as Major Propeller Effects:
- An inability to feather the propeller (applicable to feathering propellers).
- An inability to change the propeller pitch when required.
- An uncommanded change in pitch.
- An uncontrollable torque or speed fluctuation.
