Originally Posted by
gulliBell
i.e. slightly longer than the distance between the cargo hook and the tail rotor, which that OM warning warns about.
Slightly!?? The distance between the hook and t/r tips is about 5 meter on the 350, and the manual calls for a clearance of 6 inches when the dump valve is fully extended between the t/r tip's and the dump valve. Procedures for checking this is all very well described in the manual.