Hi Bob. Most of the work requires removing or leaving parts off to make it a standard UH-60L. I have plans to do just what you explain, sort of. I am planning to backdate their MH-60S (it has all the MH-60L parts and then some) to an early UH-60A from Grenada using the open exhausts from their SH-60F, then using the F fuselage with HIRSS exhausts to make an HH-60H. That is the great thing about how their kits are designed. They are all modular and you can mix and match parts to get other versions.
If you want a late model UH-60L, it is really easy. All you have to do is swap out the square, folding stabilator for a pointy one like on the Academy kits. You also need to backdate the instrument panel so it has analog gauges as opposed to multi-function display screens. Lastly, you have to remove the radar warning detectors on the vertical tail piece. Also, if you build it w/o the ESSS wings and just the covers, there are no lower connection point covers included in the kit. You could use ones from an Academy kit or make the bumps yourself for them.
All of these parts for the backdate are available from Werner’s Wings in a couple recent conversion sets. You can see them here. I used many of these parts as pre-production tests on my recent MH-60A Super 65, “Heavy Metal” build. All the parts are awesome and fit the Kitty Hawk kits perfectly.
As I siad above, I built the MH-60L as MH-60A “Super 65” from Op Gothic Serpent (Black Hawk Down) and the HH-60G as one from the Alaska Air Guard with Werner’s Wings skis on it. The kits are great and full of details. I highly recommend them. They are light years ahead of Academy’s H-60s.
The only issue with them is that the internal cabin/cockpit parts are a little too wide to fit inside the fuselage w/o seams at the top and bottom. It isn’t big, but is there. Some have cut/sanded down the sides of the floor and roof to make them fit better. I tried leaving the side bulkheads loose and securing them to the fuselage sides like on the Academy kits. It works and reduces the gaps, but they still required filling. I will cut/sand down the floor and ceiling sides a bit on the next one and see how that works.
By the way, how much did you pay for it? You can get them directly from KH for a lot less than anywhere else.