I go to Haiti about ten times a year, the company I go with uses their own kit, but I carry it, and we have never had a carnet, you will have no problem getting into Haiti with the gear, it will only be when you land back into the united states. I have only had an issue once or twice, and they just warned us. and on those trips we were trying to come through customs with 20+ pelican cases. Just Keep your kit looking low key and you will be fine. obviously a Carnet is the smarter route, but I never really pushed for it since it was their gear and they specifically didn't want to do it. Bring sun screen and hand santi. Im headed back down around March 10. maybe we will run into each other