If your Helix has Side Image your Tducer will need to be below your hull and will be exposed to damage when beaching, loadin/unloading. I highly recommend removing it or at least raising it during these times.
If it's not a Side Image unit you may be able to mount it high enough to protect it.
I've never been good, But I've been Lucky!
I don't Lie or Exaggerate, but sometimes I remember BIG!