Table of Contents
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ROV Orientation and Directions Reference
Bow - The front of the ROV.
Stern - The rear of the ROV
Port - The left side of the ROV when facing forward.
Starboard - The right side of the ROV when facing forward.
Fore - Towards the front or The forward direction.
Aft - Towards the rear of the rearward direction.
Surface - To ascend or move up in the water column to a shallower depth.
Dive - To descend or move down in the water column to a deeper depth.
ROV Attitude and Motion Reference
Surge - Forward and Reverse motion of the ROV, forward is positive.
Heave - Up and Down motion of the ROV, up is positive.
Sway - Left (to port) and Right (to starboard) lateral motion of the ROV, left is positive.
Yaw - Right (to starboard) and Left (to port) rotational motion of the ROV, right (clockwise, viewed from the
top) is positive.
Pitch - Bow Up or Bow Down inclination of the ROV, bow up (clockwise, viewed from the port side) is
positive.
Roll - Port UP or Port Down relative to Starboard, port up (clockwise, viewed from the rear) is positive.
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