Shape and weight distribution affecting stability and speed.
Rope system supporting the mainsail during lowering.
Tendency of the boat to turn away from the wind.
Shoreline toward which the wind is blowing, potentially hazardous.
The wind experienced on the boat, combining true wind and motion.
Direction of apparent wind relative to the vessels bow.
When the headsail fills on the wrong side due to improper trim.
Weight used to stabilize and counteract heeling.
Rigid insert helping maintain sail shape.
Wind blowing directly across the boats beam.
Sailing a zigzag course upwind through tacking.
Line restraining the boom to prevent accidental jibes.
Tackle system controlling sail twist and downward pressure on the boom.
Wind approaching from aft-quarter positions.
The point where all sail forces balance.
The underwater point balancing the boats sideways motion.
Short, irregular waves caused by local wind.
Lower aft corner of a sail where the sheet is attached.
Sailing slightly off the wind, maintaining speed and control.
Light-wind sail optimized for reaching angles.
Actual track of the vessel considering wind and current.
Wind blowing perpendicular to the vessels course.
Line pulling the sail downward to adjust shape.
Stability and sail management when sailing with the wind.
Standards of Training, Certification, and Watchkeeping for Seafarers.
Procedures for securing vessel before severe weather.
Flashing light used to mark persons or lifeboats at night.
Emergency supplies for sustaining life after evacuation.
Official document certifying that a vessel meets federal safety standards.
Adherence to U.S. Coast Guard regulations for commercial vessels.
