Sailing 103 Flashcards
Navigation chart for diamond:
Fl G 4s
G “7A”
Flashing Green, every 4 seconds, Green Can #7A
Navigation chart for Green/Red diamond:
GR “HP”
Fl (2+1) G 6 s
Green over Red Preferred Channel Buoy,
Hains Point, flashing green, 2 flashes plus 1 flash, every 6 seconds
Navigation chart for exclamation point w/circle:
Fl R 4s
23 ft 5M
Fixed light, flashing Red every 4 seconds, 23 ft high, 5 nautical miles visibility
Navigation chart:
diamond w/Red and white vertical stripe
Mid Channel or Safe Water Buoy
Pass on either side
Navigation chart: split Diamond with Green or Red on top
‘Preferred Channel Buoy’
Treat it like top color to use the preferred channel
Regulatory Buoy Signs: Arrow Diamond Diamond with 't' inside Circle
Information Marker
Danger
Boat Exclusion
Controlled Area (slow)
Regulatory Buoy Lights
May have white light in any light pattern except quick flashing and flashing(2)
1 fathom =
1 NM =
1F= 6 ft
1NM=2,000 yards and 1 minute of latitude
‘Food Chain’ of Right of Way vessels
1) not under command
2) restricted ability to maneuver (large, towing in limited channel)
3) engaged in fishing (nets, lines)
4) Sailing
5) Power driven
What is a whistle
Short blast
Prolonged blast
Any appliance capable of producing prescribed blasts
1 second
4-6 second
What’s the purpose of sound signals?
When used?
inland, signals of intent
don’t maneuver until agreed upon.
“in-sight” and 1/2 nm CPA (Closest Point of Approach)
Meeting or Crossing sound signals inland
1 short blast: leave you on port
2: leave you on starboard
3: astern propulsion (reverse)
Overtaking sound signals inland
1 short blast: overtake your starboard
2: overtaking your port
Sound Signal Answer:
return same signal or 5 short blasts
Sound Signal:
Uncertainty
Blind bend
Leaving dock
5 short blasts
1 prolonged
1 prolonged, power-driven vessel