Heliportable operations.
As350 B2 to 7000ft. Worldwide.
Lifting heli-rig @ 530kg & compressor halves @ 550kg each. Baskets and fuels. Magazines (day boxes) on daisy chains.
Above 7000ft BK117 to 11000ft. (with seats etc out.)
With 150ft longline.
B3, 407 or BK117 ideally. BK good for pax and lining.
212 to big and rotorwash a factor.
As a loadmasters/drillers opinion not a pilots!
Plenty of top pilots and machines well capable in my part of the world.