Submechanophobia

Submechanophobia the fear of  s, such as propellers or sunken ships. etc.

Submechanophobia is related to Thalassophobia, the fear of the ocean and Aquaphobia, the fear of water itself. People who suffer from this phobia can feel scared when looking at pictures of shipwrecks and submerged planes.

Etymology
The name "Submechanophobia" comes from the Latin word "sub" (under), the Ancient Greek word "mechané" (machine) and the Latin word "phóbos" (fear).