What does a red light mean at sea?

The red light indicates a vessel’s port (left) side; the green indicates a vessel’s starboard (right) side. Sternlight: This white light is seen only from behind or nearly behind the vessel. Masthead Light: This white light shines forward and to both sides and is required on all power-driven vessels.

What does it mean when a boat flashes its lights?

It has one long white light flash every 10 seconds. Seeing these marks means it is safe to pass in every direction. You can commonly find these in fairways, mid-channel or approaching land from the open sea (landfall mark).

What is the international distress signal?

The international emergency sign for distress is three of any signal: three shots, three blasts on a whistle, three flashes with a mirror, or three fires evenly spaced. If you’re near an open space, walk an X in the snow, grass, or sand. Make it as large as possible so that it can be seen easily from the air.

What is the common light signals for fishing vessel?

Fishing – Trawling a masthead light abaft of and higher than the all-round green light; a vessel of less than 50 metres in length shall not be obliged to exhibit such a light but may do so; when making way through the water, in addition to the lights prescribed hereh, sidelights and a sternlight.

What do visible red and green lights indicate?

Give way to your starboard side. Powerboat A: When only red and green lights are visible, you are approaching a sailboat head-on. Give way to your starboard side. Powerboat B: When white, red and green lights are visible, you are approaching a powerboat head-on.

What flares do I need for offshore?

two hand-held red flares or two parachute flares. two parachute flares. If you operate both inshore and offshore you only need to carry an offshore set of flares.

Which of the following marine distress signals would be most effective when operating after dark?

Red hand-held flares can be used by day, but are most effective at night or in restricted visibility such as fog or haze. Only Coast Guard or SOLAS flares are acceptable for use on recreational boats. When selecting such flares look for the Coast Guard approval number and date of manufacture.