And if one had no video to watch....and there was just the one grainy still image to look at....what would one surmise?
Detached or uninflated....or inflated but leaked down to ambient air pressure....is not the effect the same?
The question was raised about certification requirements and an another person reported failure of at least one bag of four as being common.....and even a dull third grader should wonder about the 139 float system's performance when used in a ditching.