What does MORA stand for and what does it provide?

MORA stands for Minimum Off Route Altitudes. This term is used primarily in aviation navigation to refer to the lowest altitude that can be flown off established routes while ensuring clearance from terrain and obstacles. Specifically, MORA provides a guaranteed minimum vertical clearance of 1,000 feet above the highest terrain or obstruction within a specified area, thus enhancing safety for pilots navigating in terrain-rich environments.

By maintaining this altitude, pilots can ensure that they stay clear of significant obstacles, reducing the risk of collision while operating off-route. The specified clearance is critical for flight safety, particularly in regions where terrain can change rapidly and may not always be reflected on every chart the pilots utilize.

The other options do not accurately describe MORA and its function. They either misstate the clearances associated with MORA or introduce terms that do not align with established aviation practices.