Water Sports and the Environment

Return to Table of Contents

1

Water Skiing Wakeboarding and Tubing

2

Hunting or Fishing From Boats

3

Diving and Snorkeling

4

Operating in the Aquatic Environment

5

Encounters with Whales and Marine Mammals

6

Aquatic Nuisance Species

7

Submersed Aquatic Vegetation

8

Locks

9

Lowhead Dams

10

Commercial Licensing

11

Boat Races and Regattas

12

Maritime Communications

13

Vessel Safety Check

14

Continuing Your Boating Education

15

Chapter Review

LOCKS

Locks are used to move boats from one water level to another.

  • At larger locks, the “lockmaster” controls all movement in and out of the locks.
  • Contact the lockmaster on marine radio channel 13 VHF-FM. If no response on the radio, try two long and two short blasts from your horn and follow the light signals that are displayed at each entrance to the lock.
  • A lighted signaling system, similar to a streetlight, helps the lock master control movement.
    Red = stop, yellow = caution, and green = go.
  • Have all people in PFDs. Put out fenders and have lines at the ready.
  • Drive boat into lock slowly and cautiously.
  • Gates will close and the water will either rise or fall, depending on if you are going to a higher or lower water level.
  • As soon as the water in the lock reaches the proper level, the gates are opened and the light turns green. Release all lines and exit slowly.

   
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Last Modified: April 28, 2005