To signal to other in the case of emergency, like sending up flares to help the boat to be located by rescuers.
no
so when the kids are board they play with them.
Yes, they should work very well on boats. However, the devices will most likely not be waterproof, so either buy a waterproof case for them, or be cautious when using them around water.
The Disney night time show called Fantasmic features fireworks, live actors, water effects and exhibition, several boats, music, pyrotechnics and decorated rafts.
Everyone on board
Is all depends on witch kind of boats you are looking for, fresh water or salt water, Motor, Jet Drive, In-board, Out-board. You also have to keep in mind the prices for the safety gear(flares, PFD's, etc).
No, even at capacity, there were only enough life boats for about half of passengers on board. More would have been saved if the boats were filled at capacity, but not all.
16 regular lifeboats and 4 collapsibles
These devices are mainly used in boats. These devices use GPS to track you on the body of water you are currently in in your boat. They work similar to GPS systems used in cars.
Todays Cruise ships account for everyone on board with there life boats and rafts so even tho they might not fit everyone onto the life boats there are rafts too :) Hopefully you'll never ever to get into one but hey :D
20 lifeboats, which would only have held half of all those on board
The technology for sailing is electronic sonars, solar panel boats, radars, and computer guidance, as well as sattelite connected devices.