Princepilot :
As you can see from some of the replies already, the question you have asked is being interpreted in a way you probably ( hopefully ) didn't anticipate .....
What 4 seater helicopter would be the cheapest to run for private use?
There will be those that will hope this isn't followed up with questions like :
"Where can I get the cheapest maintenance ?"
"Where can I get the cheapest / reconditioned / generic spares ?"
"Do I really need to carry out those time consuming pre-Flight checks every time ?"
The phrase "cheapest" in this context will often conjur up such thoughts...
Perhaps a better question would be :
"Which 4 seater helicopter would provide the best value for money, in terms of Purchase price, Depreciation, Maintenance costs, Running costs, Fuel efficiency etc. based on an estimated xxx hours per year - for private use, and can anyone provide an estimate of the approximate total annual direct operating costs ?"
Having said all that I am not in a position to offer any answers to your question ( however it is worded ), but there are plenty here that can
