What does ETA stand for in navigation and flight operations?

ETA stands for Estimated Time of Arrival, which is a crucial term in navigation and flight operations. This term refers to the anticipated time at which an aircraft is expected to arrive at its destination. It is calculated based on various factors, including the aircraft's current speed, distance to the destination, weather conditions, and air traffic control instructions.

Understanding ETA helps pilots and air traffic controllers manage flight schedules effectively, ensuring that operations remain coordinated and that passengers can be informed about their arrival times. It is essential for operational planning and passenger communications, making it a fundamental concept in aviation logistics. The other terms, while they incorporate some relevant elements of aviation timing, do not accurately describe this standard reference point for arrival in flight operations.