SDI Advanced Diver: Chp 2 Underwater
Nav.
True or false:
The route to return to the straight point, known as the square course, is 180 degrees
from, or directly opposite the initial course. - ✔️✔️False
True or False:
It is far too difficult for divers to measure distance underwater. - ✔️✔️False
True or False:
Success in underwater navigation relies completely on constant practice and paying
attention to the surroundings. - ✔️✔️True
True or False:
There are two main categories of underwater navigation that a diver needs to
understand: compass navigation and natural navigation. - ✔️✔️True
When swimming a compass course, divers must be careful to hold the compass as
____________ as possible. - ✔️✔️Level
Name the two ways a diver can measure distance traveled while underwater. -
✔️✔️Kick Cycles and Elapsed Time
Nav.
True or false:
The route to return to the straight point, known as the square course, is 180 degrees
from, or directly opposite the initial course. - ✔️✔️False
True or False:
It is far too difficult for divers to measure distance underwater. - ✔️✔️False
True or False:
Success in underwater navigation relies completely on constant practice and paying
attention to the surroundings. - ✔️✔️True
True or False:
There are two main categories of underwater navigation that a diver needs to
understand: compass navigation and natural navigation. - ✔️✔️True
When swimming a compass course, divers must be careful to hold the compass as
____________ as possible. - ✔️✔️Level
Name the two ways a diver can measure distance traveled while underwater. -
✔️✔️Kick Cycles and Elapsed Time
