Mouthpiece tapping – requesting air to be shared. Ear pointing and hand cupped behind ear – asking for another diver to listen. Flat hand sweeping over top of head – indicating a solid decompression ceiling overhead. Moving hand across the body in a wave motion – signifying a current.
What are the common diving signals?
22 Easy Scuba Diving Hand Signals You Should Know
1 – Going up/Ascend. To indicate “going up” or “ascending”, ball the fist and raise the thumb as though giving your diving mates a thumbs up.
2 – Going Down/Descend.
3 – Something is wrong.
4 – I am OK!
5 – Stop.
6 – Turn Around.
7 – Which direction.
8 – Boat.
What is distress signal in scuba diving?
Shake your arm up and down with large strokes. Simply shaking your hand won’t do. If you are in distress at the surface, using this large signal to get the boat’s attention or your diving buddy’s attention is key.
The signals are internationally recognised and must only be used if you are in distress.
Distress signals
‘mayday, mayday, mayday’ in emergencies only.
‘pan pan, pan pan, pan pan’ for urgent messages that aren’t emergencies.
SOS in Morse code (using marine radio or another signalling method).
What are the 16 types of distress signals?
Red Hand-held Flare (day and night)
Parachute Flare (day and night)
Red Meteor (day and night)
Orange Smoke Signal (hand-held/day only)
Floating Orange Smoke Signal (day only)
Orange Signal Flag (day only)
Electric Distress Light (night only)
How do you respond to distress signal at sea?
Responding to a Mayday
The distress signal Mayday;
The name and callsign of the vessel sending the Mayday, stated 3 times;
The words “this is”;
Your name and callsign, stated 3 times;
The word “received”;
The distress signal Mayday;
What rule is distress signal?
Rule 37 in the Rules of the Road states: “When a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these regulations.” The following signals, used or exhibited together or separately, indicate distress and need of assistance.
What is main distress signal?
The most important are: (1) visual signals, such as a flame, a red flare, an orange smoke signal, or a square flag displayed with a ball below; (2) sound signals, such as a gun or rocket fired at regular intervals, or a continuous sounding of a fog-signal apparatus; and (3) radio signals such as the Morse group SOS,
Distress alert means a signal given from a ship, or information from any source, indicating that a ship is, or that persons on or from a ship are, in distress at sea.
Why do we say Mayday when in trouble?
Owing to the difficulty of distinguishing the letter “S” by telephone, the international distress signal “S.O.S.” will give place to the words “May-day”, the phonetic equivalent of “M’aidez”, the French for “Help me.”
Why do pilots say Mayday?
It is used to signal a life-threatening emergency primarily by aviators and mariners, but in some countries local organizations such as firefighters, police forces, and transportation organizations also use the term.
How do you signal for help in the water?
What is the signal for drowning?
Look for these signs of drowning when people are in the water: Head low in the water, mouth at water level. Head tilted back with mouth open. Eyes glassy and empty, unable to focus.
How do you signal for help when drowning?
At sea, the oldest hand signal to indicate distress is to flap the arms up and down.
How do you attract attention to water?
1. If you get into trouble in the water, how do you attract attention? One arm, waved to and fro above the head. be careful and always swim between the red and yellow flags, which indicate that the beach is patrolled.
What are 5 basic rules of water safety?
Before taking your kids to the pool, beach or lakeshore, teach them these 10 basic water safety tips to ensure a safe and pleasant water experience.
Never Swim Alone.
Supervise Children When They’re in the Water.
Don’t Play Breath-Holding Games.
Always Wear a Life Vest.
Don’t Jump in the Water to Save a Friend.
What are the 2 main rules when participating in water activities?
Never dive into shallow or unknown waters as there is a high chance that you could be injured when you hit the bottom or an object hidden under the water’s surface. Use feet- first entry when entering the water.
Why would you use a feet first entry into deep water? It is safer than a head first entry, especially when the water has debris floating on it. It allows the feet to feel for unseen obstacles below the surface.
What depth of water is safe to dive into?
The American Red Cross recommends a minimum of 9 feet of water depth for head first dives including dives from pool decks. Results for a comprehensive study of diving injuries are presented in “Diving Injuries: The Etiology of 486 Case Studies with Recommendations for Needed Action” edited by Dr.