Rules Quiz
Conclusions and Rules
that apply:
In Situation #1, Rule 20.1 applies.
Green correctly hailed for room to
tack. Black had two options: Tack
as soon as possible after the hail or
hail back, “You Tack” and then give
White room to tack. She chose option
#2, and White tacked immediately as
required by rule 20.1(c). Black com-
Situation 1
plied with all of the requirements of
Rule 20.1(b) and by taking option
#2, she ended up in a better tactical
The Situation position relative to White. White’s
protest will be disallowed.
Four boats are sailing on a beat along a shoreline with an offshore breeze.
In Situation #1, both boats are approaching the shoreline on starboard
Situation #2 was a simple port/star-
tack. In Situation #2, the boats are converging on opposite tacks with the
board crossing and Rule 10 applied.
port tack boat sailing close to and almost parallel to the shoreline.
Rule 20, which deals with room to
tack at an obstruction, applies only
to boats on the same tack. Rule 19.2
does not apply because it only ap-
plies to boats that are overlapped,
and boats on opposite tacks can only
be overlapped if they are at a mark
or sailing off-wind. White’s options
were to bear off and pass astern of
Black or slow down enough so Black
could pass in front of her with no
danger of a collision. Black correctly
tacked to avoid a collision and White
should start looking for a spot to do
her Two-Turns Penalty.
Situation 2
Facts Found:
In Situation #1, White was ahead and to leeward of Black. White had to
tack but couldn’t without colliding with Black. She hailed for room to
tack but instead of tacking, Black hailed back, “You Tack”. White tacked
For an animated version of this
to port and then Blak tacked just ahead and to leeward of White. White
situation, visit www.ukhalsey.
had room to tack and did not alter her course to avoid Black.
com, Rules Quiz 3.
In Situation #2, Black and White were approaching each other on op-
UK-Halsey Sailmakers is
posite tacks with Black on starboard. White could not tack without
reposting its animated rules
immediately running aground so when Black hailed “Starboard”, White
quizzes to reflect the changes in
hailed back that she needed room at an obstruction. The boats contin-
the rules for 2009-2012.
ued to converge until a collision appeared imminent at which point,
Black tacked to port to avoid the collision, hailed “Protest” and flew her
protest flag.
48° No r t h , Ma r c h 2009 Pa g e 63
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