ASA 104 MAIN EXAMINATION SET 2026/2027 QUESTIONS
AND SOLUTIONS RATED A+
✔✔Difference between IALA A and IALA B - ✔✔the assignment of navigational colors
✔✔Fix - ✔✔boat's position relative to other objects that have known positions
✔✔LOP - ✔✔Line of Position. A plotted line on which a vessel is located
✔✔Waypoint - ✔✔a place where you will change course
✔✔COG - ✔✔Course Over Ground
✔✔SOG - ✔✔Speed Over Ground
✔✔Contours - ✔✔lines over a chart that connect points of equal depth
✔✔Course - ✔✔direction of intended travel you plot on the chart
✔✔Heading - ✔✔compass course the helmsman steers
✔✔Track - ✔✔path actually followed
✔✔Bearing - ✔✔direction from you to anything else
✔✔Dead Reckoning - ✔✔relying solely on your compass for direction
✔✔Barometric Pressure - ✔✔the pressure due to the weight of the Earth's atmosphere
✔✔Barometer - ✔✔measures barometric pressure
✔✔High Barometric Pressure - ✔✔sunny/clear
✔✔Low Barometric Pressure - ✔✔Indicates wet weather; overcast and rain
✔✔Wind Barb - ✔✔indicates the wind direction and wind speed
✔✔Small Craft Advisory - ✔✔20+ knots
✔✔Gale Force Winds - ✔✔35+ knots
✔✔Storm Winds - ✔✔50+ knots
, ✔✔Hurricane - ✔✔65+ knots
✔✔EPIRB - ✔✔Emergency Positioning Indicating Radio Beacon; will not transmit
underwater
✔✔PLB - ✔✔Personal Locator Beacon
✔✔PASS - ✔✔Pull, Aim, Squeeze, Sweep
✔✔Ditch Bag - ✔✔bag that has everything in it that goes with you off of the boat
✔✔Forked Moor - ✔✔
✔✔ Four items that should be packed in carry-on luggage rather than checked
baggage: - ✔✔passport, charter documents, money, license, change of clothes
✔✔Automatic Bilge Pump - ✔✔Powered by the battery (activated when the float switch
senses water in the bilge)
✔✔Manual Bilge Pump - ✔✔bilge pump that is operated by hand
✔✔To fill a cruising sailboat's freshwater tank, you must: - ✔✔Ensure that the dock's
freshwater supply is clean and then fill through the water inlet
✔✔What does a freshwater pump cycling on and off when no one is using water mean?
- ✔✔Indicates an open valve or a leak in the plumbing
✔✔When done using propane stove, you must first: - ✔✔turn off the solenoid switch
✔✔You must pump sufficiently after using the head to ensure that the wast reaches the:
- ✔✔Holding tank
✔✔To pump out a marine holding tank, you must unscrew the ________ ________
_________, then hold the ____________ ___________ FIRMLY in the waste outlet. -
✔✔deck waste plate, pumpout nozzle
✔✔How is the battery bank recharged most effectively when not on shorepower? -
✔✔Using the alternator.
✔✔What should the engine be running at to ensure alternator is useful? - ✔✔1,500
rpms
✔✔Inverter - ✔✔A device that converts DC to AC.
AND SOLUTIONS RATED A+
✔✔Difference between IALA A and IALA B - ✔✔the assignment of navigational colors
✔✔Fix - ✔✔boat's position relative to other objects that have known positions
✔✔LOP - ✔✔Line of Position. A plotted line on which a vessel is located
✔✔Waypoint - ✔✔a place where you will change course
✔✔COG - ✔✔Course Over Ground
✔✔SOG - ✔✔Speed Over Ground
✔✔Contours - ✔✔lines over a chart that connect points of equal depth
✔✔Course - ✔✔direction of intended travel you plot on the chart
✔✔Heading - ✔✔compass course the helmsman steers
✔✔Track - ✔✔path actually followed
✔✔Bearing - ✔✔direction from you to anything else
✔✔Dead Reckoning - ✔✔relying solely on your compass for direction
✔✔Barometric Pressure - ✔✔the pressure due to the weight of the Earth's atmosphere
✔✔Barometer - ✔✔measures barometric pressure
✔✔High Barometric Pressure - ✔✔sunny/clear
✔✔Low Barometric Pressure - ✔✔Indicates wet weather; overcast and rain
✔✔Wind Barb - ✔✔indicates the wind direction and wind speed
✔✔Small Craft Advisory - ✔✔20+ knots
✔✔Gale Force Winds - ✔✔35+ knots
✔✔Storm Winds - ✔✔50+ knots
, ✔✔Hurricane - ✔✔65+ knots
✔✔EPIRB - ✔✔Emergency Positioning Indicating Radio Beacon; will not transmit
underwater
✔✔PLB - ✔✔Personal Locator Beacon
✔✔PASS - ✔✔Pull, Aim, Squeeze, Sweep
✔✔Ditch Bag - ✔✔bag that has everything in it that goes with you off of the boat
✔✔Forked Moor - ✔✔
✔✔ Four items that should be packed in carry-on luggage rather than checked
baggage: - ✔✔passport, charter documents, money, license, change of clothes
✔✔Automatic Bilge Pump - ✔✔Powered by the battery (activated when the float switch
senses water in the bilge)
✔✔Manual Bilge Pump - ✔✔bilge pump that is operated by hand
✔✔To fill a cruising sailboat's freshwater tank, you must: - ✔✔Ensure that the dock's
freshwater supply is clean and then fill through the water inlet
✔✔What does a freshwater pump cycling on and off when no one is using water mean?
- ✔✔Indicates an open valve or a leak in the plumbing
✔✔When done using propane stove, you must first: - ✔✔turn off the solenoid switch
✔✔You must pump sufficiently after using the head to ensure that the wast reaches the:
- ✔✔Holding tank
✔✔To pump out a marine holding tank, you must unscrew the ________ ________
_________, then hold the ____________ ___________ FIRMLY in the waste outlet. -
✔✔deck waste plate, pumpout nozzle
✔✔How is the battery bank recharged most effectively when not on shorepower? -
✔✔Using the alternator.
✔✔What should the engine be running at to ensure alternator is useful? - ✔✔1,500
rpms
✔✔Inverter - ✔✔A device that converts DC to AC.
