ASA 106 QUESTIONS &
ANSWERS(RATED A+)
- ANSWERDescribe true and apparent wind
- ANSWERDescribe sailing forces using diagrams. Graphically find the center of
effort and center of resistance of sails and keel, respectively.
- ANSWERDescribe cirrus, cirrostratus, altocumulus, stratocumulus, cumulonimbus
and cumulus clouds and the weather expected to be associated with each.
- ANSWERDescribe local weather in relation to thermal winds and prevailing winds.
- ANSWERDescribe three sources of weather information available in the United
States.
- ANSWERDescribe the proper selection of sails on a given boat for all weather
conditions and give reasons for the selection made.
- ANSWERDescribe with the aid of diagrams the causes of lee and weather helm
and methods of correcting them. Include the reasons for preference of slight weather
helm, sail selection (including full sails or reefed sails), mast position and mast rake.
- ANSWERDescribe sail shapes and sail interactions as needed for different wind
strengths and points of sail. Describe the effects on sail shape and sail interactions
when adjusting the following:
- Luff tension
- Outhaul
- Leech line
- Boom vang
- Backstay tension
- Jib fairleads
- Jib sheet tension
- Mainsheet
- Traveller
- Downhaul / cunningham
- ANSWERDescribe how to use a barometer and a thermometer independently and
concurrently to assist in predicting weather.
- ANSWERDescribe appropriate heavy weather precautions and describe how they
are carried out, including:
- Sail changes