ASA Offshore Passagemaking
All previous Keelboat and Navigation Standards
General Description: The student is able to
safely act as skipper or crew in a sailing vessel on
offshore passages requiring celestial navigation.
A Certified Sailor has successfully demonstrated
his or her ability to:
- Plan a passage across the North Atlantic or
Pacific and state the advantages, disadvantages
and hazards of various routes. "Ocean Passages
for the World", Climatic Charts, Great Circle
Plotting Charts, plotting instruments, etc.,
must be used.
- Plot a series of rhumb lines on a mercator
chart to approximate a great circle route.
- List the publications required for prudent
navigation on an offshore passage to include the
Coastal charts and publications
Passages for the World
- State the essential factors to be considered
when selecting a vessel for an offshore ocean
passage of at least 1000 miles:
- List all items essential for minor repairs
to vessel and rigging.
- Describe various items required to prevent
- Describe the advantages and disadvantages of
three self steering methods/devices.
- List all basic items necessary to repair
- Plan meals for a minimum of four people on a
seven day offshore passage.
- Describe the proper methods of
preserving/storing food and the expected storage
life of all food.
- State the factors to be considered when
selecting crew members for an offshore passage:
- Describe suitable clothing for the voyage.
- State a source of obtaining advanced first
aid information while on an offshore passage.
- Identify and describe the basic treatment of
potential medical problems.
- Describe methods of preventing injury to the
cook or nearby persons while cooking at sea.
- List the items carried in a proper first aid
kit for an offshore passage.
- Prepare and file a passage plan.
- Describe three (3) watchkeeping systems and
their applicatior4 advantages and disadvantages.
- Describe alternate watchkeeping arrangements
in the event crew members are incapacitated.
- Describe the duties of the watch and off
- Establish a routine, schedule to
periodically maintain the following items:
Galley & supplies
- Set up a routine schedule for vessel
- Describe how to rig a trailing man overboard
line with an alarm.
- Describe an alternative method of alerting
the crew to a man overboard situation. State
other emergency situations when you should limit
the use of this device.
- Describe what actions should be taken when a
man overboard is not located on the first pass.
- Describe how to organize the crew for a
routine fire drill.
- Describe possible methods of jury rigging
your vessel in the event of dismasting and what
course you would then assume.
- Describe proper actions you would take after
your vessel has been struck by lightning.
- List essential survival items to be kept in
a standby kit in the event you are forced to
abandon ship offshore.
- Describe additional items useful for your
survival and rescue.
- State the dangers you might encounter in a
small rubber liferaft at sea.
- List safety equipment you would cam in
addition to that required by the United States
Rules of the Road
- Know and apply the 1972 International
Regulation for Preventing Collision at Sea
(Navigation Rules) quickly and correctly in
order to maintain safe navigation in any waters
day and night-
- List eight of ten international distress
- Acted as skipper and
crew on an offshore passage of no less than 72
hours and 100 NM without touching land.
A Certified Sailor has successfully
demonstrated his or her ability to:
- Obtain a celestial fix using a sun-run-sun
or three (3) celestial bodies.
- Obtain a celestial heading cheek.
- Apply all sailing knowledge stated in the
ASA Celestial Navigation Standard.