The text below was copied from an Official report a number of years ago. My quotes
It is likely that these methods will only be deployed when weather conditions are so severe as to preclude the launching and retrieval of FRC. Generally speaking, this situation coincides with the marked reduction in performance of such systems and practical limitations on the use of the scoop in extremely adverse sea conditions have been experienced on occasions. In some respects
it remains the case that vessels that are fitted with scoop or basket equipment may have an operating limit only marginally better than that for FRC/DC