IAC produces a superb HUMs system for the 412, which is the factory install on new equipment.
They are also completing certification on a system for a variety of other models. and types.
http://www.iac-online.com/index.asp
It will be interesting to see if all the GOM operators will install them, when they are available!
I would suggest the likelihood of these items being supplied to an Operator in Venezuela, is currently zero, however.