Welcome to Tugs & Tows. If you're interested in blue water tugs, inland river push boats, or combination thereof, this is the place for research and help in building scale models of these tough work horses.
Though the name constitutes tugboats and towboats, we welcome all aspects of work boats on the brown water, blue water, and lakes. Every thing from fishing yawls to salvage vessels.
You might try the diecast choppers available online. I have a USCG Jayhawk that is probably around that scale. I'm sure they also would have a Huey. There are
There was a 1/24 Huey made by either Revel or Monogram. Several versions of the box art were released with one being for a TV program based in Viet Nam.
... Nichimo made a 1/20th MD-500 many moons ago, OOP now, though you may find one on Ebay. Most of the larger heli kits are 1/35 and geared towards military