Scuba Dive Signals

Access a handy list of dive signals to safely communicate underwater while scuba diving. This contains a list of hand signals generally recognized by the Recreational Scuba Training Council and its member agencies (PADI, NAUI, SSI, and more).
Once you've studied up, you can quiz yourself on what you've learned-- the app will show a series of five dive signal descriptions and give you a choice of three different pictures-- only one will match, so choose wisely!
As always, safety is paramount when scuba diving, so be sure you are your diving partners are clear on their meanings before diving. The author of this app does not assume and hereby disclaims any liability to any party for any loss, damage, or injury, including death, caused by errors or omissions, whether such errors or omissions result from negligence, accident, or any other cause. The information in this app is meant to supplement, not replace, proper scuba diving training. Scuba diving poses some inherent risk. Never dive without proper training and certification!
The images used in this app are used via the Creative Commons Attribution-Share Alike licenses, and are credited as follows:
Creative Commons Attribution-Share Alike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/deed.en):
Original author: Thomei08
Dive hand signal-cold.plain.svg
Dive hand signal-look.plain.svg
Dive hand signal-tink.plain.svg
Dive hand signal-ear.plain.svg
Original author: Peter Southwood
Dive hand signal OK 1.png
Dive hand signal OK 2.png
Dive hand signal OK surface 1.png
Dive hand signal OK surface 2.png
Dive hand signal Stop.png
Dive hand signal Turn Around.png
Dive hand signal Which Way.png
Dive hand signal Boat.png
Dive hand signal Buddy up.png
Dive hand signal Hold on to each other.png
Dive hand signal Lead and follow.png
Dive hand signal Level out.png
Dive hand signal Slow down.png
Dive hand signal Give me air.png
Dive hand signal Emergency Out of air.png
Dive hand signal Help surface 1.png
Dive hand signal Dont know 1.png
Dive hand signal Danger there.png
Dive hand signal Pressure.png
Dive hand signal Bubbles.png
Dive hand signal Cut.png
Dive hand signal Safety stop.png
Dive hand signal Entangled.png
Dive hand signal Silt.png
Dive hand signal Cramps.png
Dive hand signal Reserve.png
Dive hand signal Time up.png
Dive hand signal Fetch surface 1.png
Dive hand signal Turn dive.png
Dive hand signal Stuck.png
Creative Commons Attribution-Share Alike 4.0 International license (https://creativecommons.org/licenses/by-sa/4.0/deed.en):
Original author: Peter Southwood
Dive hand signal Ascend to stop.png
The licensors do not in any way endorse the author of this app or usage.