The Mi-17 / Mi-8-MTV-1 (as endorsed by Shell Management) does have some funny features like the 'collector tank' above the APU. Not only a single point failure in the fuel system but a great way to spread a fire. So much for Shell's so called standards!
The UK military have used Mi-17s for Afghan related reasons:
Rick Ingham Photography - Project Curium - Boscombe Down Mi-17's