Trigger.....
The forward & aft pylon's are a bit too short in scale, incorrect rotors, and the overhead transparencies aren't shaped correctly ... other than that
, it's an acceptable duplication. Reference the photo link below:
http://147thhillclimbers.org/mh47size.jpg
And yes, the Chinook's are "swimmers", designed to do so even with the Ramp down.
Take care,
Frank