Well, it's the light, on the side of the boat. Think it over, it's not that hard
Left.
With your vessel's bow pointed at zero or 360 on your compass, the green light should be directed at 135 degrees.
The starboard sidelight is green. It is one of the navigation lights on a vessel, indicating the right side when facing forward. The corresponding port sidelight is red. Together, these lights help to communicate a boat's direction and orientation to other vessels at night or in low visibility.
The green sidelight on a boat is located on the starboard (right) side of the vessel when facing forward. It is typically mounted at the bow and is visible from the front and side of the boat. This light is part of the navigation lighting system and helps indicate the boat's direction to other vessels at night or in low visibility conditions.
A green sidelight must be visible to boats approaching from the right (starboard) side. This is part of the navigation rules that help mariners determine the direction of another vessel's movement. The green light indicates that the vessel is facing the observer's left side, meaning it is navigating towards them.
Begin by removing the sidelight wiring harness. Remove the sidelight assembly retaining bolts. The sidelight will come off. Reverse the process to install your new sidelight.
The red light should be on the right side, or port side, of the boat. The green light should be on the left, or starboard, side of the boat.
Starboard ( right side ) and it should be mounted so it is visible at 135 degrees .
When operating a powerboat at night, your red sidelight must be visible to boats approaching from the port (left) side. This is important for indicating your vessel's orientation and direction of travel to others. Additionally, your green sidelight on the starboard (right) side should be visible to boats approaching from the starboard side. Proper visibility of these lights helps prevent collisions and ensures safe navigation.
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