What is a key restriction for operating experimental aircraft?

Operating experimental aircraft comes with several key restrictions, one of which is that conducting flight training is typically not permitted. The primary rationale for this restriction lies in the nature of experimental aircraft, which are often still in the testing phase for new technology or design features. As such, they may not have undergone the comprehensive safety evaluations required of certified aircraft, making them potentially risky for training purposes. The intent behind this rule is to ensure the safety of both the pilot and any students who would be on board during flight training.

The other restrictions associated with experimental aircraft include limitations on flying at night under VFR, over densely populated areas, and operations that would require coordination with air traffic control. However, the inability to conduct flight training distinguishes this situation due to the heightened safety concerns in an instructional context where a learner pilot is already under a significant cognitive load.