Safety is the state of being "safe" (from French sauf), the condition of being protected from harm or other non-desirable outcomes. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk.
The EU is dedicated to reducing emissions associated with air transport. The objective applies equally to rotorcraft as to aeroplanes, so first-time measurements and models of helicopter flue gas emissions are of fundamental importance to the efforts.
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