Intallation:

First buy the great Huey from Nemeth Designs:
http://www.nemethdesigns.com/index.php?option=com_content&view=article&id=14:bell-uh-1-huey-fsx&catid=2:pay&Itemid=24

Install the licensed Huey from Nemeth Designs

Extract the file to:

C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Rotorcraft\ND_uh1h

Edit the aircraft config with the folling entry:

[fltsim.2]
title=Bell AeroDiva
sim=bell_uh1
model=
panel=
sound=
texture=divax
kb_checklists=
kb_reference=
atc_id=001
ui_manufacturer="Bell"
ui_type="UH-1H AeroDiva"
ui_variation="TI-AZM"
ui_typerole="Rotorcraft"
ui_createdby="Nemeth Designs & MILVIZ"
description="AeroDiva"

Enjoy it!