A blue and white flag (blue in swallow tail shape, is the letter "A".
It presently signifies "A Scuba diver is down. Keep clear at low speed."
it used to mean "The boat is undergoing a speed trial."
I may be wrong but I'm fairly certain that it is the true commercial dive flag, the red flag with the white stripe is not an official flag just one that has become popular and well recognised.
The flag for "Diver below" is a red flag with a diagonal white stripe.
Qnlue
A red flag with a diagonal white stripe
A red flag with a diagonal white stripe
There are 2 flags, either of which can be used. The international "A" flag which is white and Blue The red-and-white dive flag
Steve Rosenberg has written: 'Diving & snorkeling, Monterey Peninsula & Northern California' -- subject(s): Guidebooks, Scuba diving, Skin diving 'Diving and snorkeling guide to northern California and the Monterey Peninsula' -- subject(s): Guidebooks, Scuba diving, Skin diving 'Lonely Planet Diving & Snorkeling Turks & Caicos (Lonely Planet Diving and Snorkeling Turks and Caicos)' 'Diving Cozumel' -- subject(s): Guidebooks, Scuba diving
by snorkeling and scuba diving
SCUBA diving and snorkeling.
scuba diving,snorkeling,surfing,swimming
There are 2 flags, either of which can be used. The international "A" flag which is white and Blue The red-and-white dive flag
el buceo (sport); bucear (verb) This is also snorkeling.
Most of them will let you because a lot of people from out of town don't have the equipment. You can rent it as long as it is not like a private beach or something.
A red flag with a diagonal white stripe
I would say scuba diving. You can get the bends, or nitrogen narcosis. There is also the factor of running out oxygen during a dive.