I did this project using oceanFX in houdini.
The helicopter I did the model in 3dsmax using just photographs, and asset preparation in maya.
Mantra PBR render
pixel sampling 5x5 for helicopter and 8x8 for the ocean to reduce flickering
all exr renders were composed in Nuke

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…