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Rules of the Road 20-31
Seamanship
25
Other
Undergraduate 1
12/12/2012
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Cards

Term
GREEN over WHITE
 Definition
Trawling at Night
Term
RED over WHITE
 Definition
Fishing at night
Term
RED over RED
 Definition
Captain is Dead
Term
RED over GREEN
 Definition
Sailing Machine
Term
WHITE over RED
 Definition
Pilot Ahead
Term
Rule 20
 Definition
Application

Lights shall be displayed:
  1. Sunset to Sunrise
  2. Conditions of Restricted Visibility
  3. Deemed Appropriate
Term
Rule 21
 Definition

Definitions

 

  1. Masthead light
  2. Port Sidelight
  3. Starboard Side Light
  4. Stern Light
  5. Towing Light
  6. Flashing Light
  7. Special Flshing Light
Term
Masthead Light
 Definition
  1. White
  2. Beam on both sides
Term
Port Sidelight
 Definition
  • Red
  • 22.5 Degree abaft PORT beam
Term
STARBOARD Sidelight
 Definition
  • Green
  • 22.5 Degree abaft STBD Beam
Term
Stern Light
 Definition
  • White
  • 135 degree radius
Term
Towing Light
 Definition
  • Yellow
Term
Flashing Light
 Definition
  • Various Colors
  • 120 flashes per minute
Term
Special Flashing Light
 Definition
  • Yellow
  • Flashes 50-70 flashes per minute
Term
Rule 22
 Definition
Visibility of Lights
Term
Vessels > 50 meters
 Definition
3-6 Mile Radius
Term
Vessels >12 meters but < 50 meters
 Definition
2-5 Mile Radius
Term
Vessels < 12 Meters
 Definition
1-2 Mile Radius
Term
Inconspicuous, partly submerged vessels
 Definition
3 Mile Radius
Term
PDV <50 Meters
 Definition
  1. Masthead
  2. Sidelight
  3. Sternlight
Term
PDV >50 Meters
 Definition
  1. Masthead
  2. 2nd Masthead
  3. Sidelight
  4. Sternlight
Term

Air Cushion Vessel

(displacement)

 Definition
  1. Masthead
  2. Sidelight
  3. Sternlight
Term

Air Cushion Vessel

(NON-displacement)

 Definition
  1. Masthead
  2. Sidelight
  3. Sternlight
  4. Flashing
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