A nice helicopter I designed using technic car  mudguard pieces which fits motorcycle wheels perfectly.

I always try to use bricks I own myself. Perhaps more people will be able to build this too this way.

Some official lego sets which will help you build this moc:
60274 – Elite Police Lighthouse Arrest (For the window and bright light yellow parts)
60247 – Forest Fire (More bright light yellow parts)
42098 – Car Transporter (Technic mud guard parts and more)
8051 – Motorbike (the wheels as rotors)
75262 – Imperial Dropship – 20th Anniversary Edition (The rear wings)