Probably an electric powered, optionally crewed Chinook but still a Chinook!
More likely to be hydrogen or bioethanol.
Notwithstanding the general interest, Chinooks, Voyagers & everything bar Vikings - ain’t “Gliding Paused.” 
They glide if you pause the engines??
That’s not gliding. It’s falling with style
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Arent they tecnically civvy as part of the third party training provider, like the tutor, phenom,king air, prefect. None listed
I first thought that is why they are not listed but they are not G-Reg aircraft but military reg
God knows!
Stick an FOI in 
Looks like the case has been made to push the OOS date for the Viking to 2040 at least.
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