Flag Alpha indicates that a diver works behind the ship. This means that other vessels must exercise caution and stay clear of the dive site. The flag means: “I have a diver working overboard. Stay away from me, walk slowly.“
In the sea flag Alpha (English: Alpha flag) denoted by the letter “A” in the International Maritime Signal Code (ICS). This flag has a rectangular shape and is divided into two equal parts - the left part is white and the right part is blue with a triangular notch.
According to the International Code of Signals, Alpha flag is used to announce the for divers underwater. More precisely, the blue and white flag indicates the presence of divers. In open waters, a minimum distance is recommended 90 meters away from the ship that lifts it and reduce speed. It also emphasizes that the vessel in question has reduced maneuverability.
The distance that must be observed when seeing a vessel with such a flag is great!
The recommended distance to be observed from the dive site is 90 meters. However, the exact distance may vary depending on local regulations and conditions. It is always best to exercise caution and stay as far away from the dive site as possible, as the diver may float far away from the vessel.
Requirements:
If the distance from the dive site is not respected, several dangers can arise:
- Injuries caused by propellers and other parts of underwater machinery: Marine propellers and other underwater machinery can seriously injure or even kill divers.
- Diver typing: If the vessel gets too close to the dive site, it can push the diver against the watercraft, which can cause injury.
- Disturbances for diving: Noise and waves generated by vessels can interfere with divers' work, making visibility difficult and creating dangerous situations.
How to proceed:
- If you see the flag Alpha, slow down and stay away from the dive site.
- Avoid maneuvering near the dive site.
- Follow all instructions and warnings, related to the dive site.
- If you are not sure what to do, contact the port authorities or the Coast Guard.
The safety of divers depends on each of us. By exercising caution and following the meaning of warning flags Alpha, we can help ensure a safe diving environment for all.
Latvian laws, regarding the Alpha flag:
For a vessel engaged in underwater work, the flag (sign) "A" (ALFA) is displayed in the most visible place and the sign is visible from all sides.
"I am working overboard diver. Stay away from me, walk slowly.”
