HOW IS SHE HEADING f	225
(iii) Wind E.S.E., sailing vessel giving 2 blasts?     She is heading
South.
(iv) Wind N.W. by N., sailing vessel giving 1 blast?     She is heading
W. by S.
(v) Wind W.S.W., sailing vessel giving 2 blasts?     She is heading
N.W.
Wind W.N.W.. sailing vessel giving 3 blasts? She is heading
anywhere between N.N.E. and S.S.W. by way of East.
Exercise I.
How is the other vessel heading in the following examples for
exercise? These should be worked out with the help of a compass
card.
 1.	A green side-light shut out when bearing (i) N.W., (li) W.S.W.,
(iii) S. by W., (iv) S.E., (v) E.N.E., (vi) KB. by N.
 2.	A red side-light shut out when bearing (i) N. by E., (ii) E. by S.,
(iii) South, (iv) S.S.W., (v) West, (vi) N.W. by N.
 3.	Heading N.N.E., a red side-light disappears when bearing 2
points abaft the port beam?
 4.	Heading S.E., a red side-light disappears when bearing 3 points
on the starboard bow?
 5.	Heading E. by N., a green light disappears when bearing 2 points
on the port bow?
 6.	Heading S.W. by S., a red light disappears when bearing 2 points
abaft the starboard beam?
Exercise II.
Between what 10 points may the other vessel be heading in the
following exercises.
 1.	A green side-light bearing  (i)  N.E., (ii) E.S.E., (iii) S.S.W.,
(iv) N.W. by N.?
 2.	A red side-light bearing (i) N,N.E.,  (ii) S.S.E., (iii) W.S.W.,
(iv) N.N.W.?
 3.	Heading N.W,, a green side-light is sighted 2 points on the
starboard bow, between what points may she be heading?
 4.	Heading S. by W., a green side-light is sighted 4 points on the
port bow, between what points may she be heading?