275/ Navigation and Watch Keeping / 992
Na
v
i
g
ation and
W
atc
h
Kee
p
in
g
BOS-
P
RD-2
6
.900
5
02
T
he
Ma
s
te
r
i
s
res
p
ons
i
b
l
e
for
ensur
i
n
g
that
a
rad
i
o
w
atch
i
s
p
ro
p
er
l
y ma
i
nta
i
ned
.
4
.
6
.1 Mandato
ry
r
adio watc
h
kee
p
in
g
T
he
B
r
id
g
e
W
atc
h Off
ice
r
w
ho
should
ho
l
d
e
i
ther
a
“
G
enera
l O
p
erator
Cert
i
f
i
cate
” (GO
C
)
or
a
“
R
estr
i
cted
O
p
erator
Cert
i
f
i
cate
” (RO
C
)
de
p
end
i
n
g
on
the
nav
i
g
at
i
on
zone
and
rad
i
o
e
q
u
i
p
ment
on
board
the
vesse
l
shall
ma
i
nta
i
n
rad
i
o
w
atches
.
T
he
B
r
id
g
e
W
atc
h Off
ice
r
shall
ma
i
nta
i
n
rad
i
o
w
atch
.
H
e
or
she
shall
observe
rad
i
o
p
rotoco
l,
avo
i
d
i
nterference
w
i
th
other
rad
i
o
o
p
erators
and
use
rad
i
o
fre
q
uenc
i
es
p
ro
p
er
l
y
.
A
bso
l
ute
p
r
i
or
i
ty
shall
be
g
i
ven
to
d
i
stress
,
emer
g
ency and med
i
ca
l
ass
i
stance commun
i
cat
i
ons
.
4
.
6
.
2 V
HF
r
adio watc
h
Vesse
l
s
should
k
ee
p
a
cont
i
nuous
li
sten
i
n
g
w
atch
us
i
n
g
the
ma
i
n
rad
i
o
stat
i
on
on
DS
C
V
H
F
channe
l 70
(
156
.
5
2
5
MH
z
)
and V
H
F
cont
i
nuous
li
sten
i
n
g w
atch on
channe
l
16
(
156
.8
MH
z
).
4
.
6
.
3
MF
r
adio watc
h
Vesse
l
s
e
q
u
i
pp
ed
for med
i
um
fre
q
uency
rece
p
t
i
on
should
k
ee
p
a
cont
i
nuous
li
sten
i
n
g w
atch
us
i
n
g
the ma
i
n
rad
i
o
stat
i
on
on
the
DS
C d
i
stress
and
safety
fre
q
uency
2
1
87.
5
k
H
z
.
T
hey
should
a
l
so
k
ee
p
a
p
ermanent
li
sten
i
n
g w
atch
on
the
i
nternat
i
ona
l N
A
V
T
E
X
system
(
51
8 k
H
z
)
w
hen
i
n
an area
w
here
that
serv
i
ce
i
s
p
rov
i
ded
.
4
.
6
.
4
HF
r
adio watc
h
Vesse
l
s
e
q
u
i
pp
ed
for med
i
um fre
q
uency
rece
p
t
i
on
should
k
ee
p
a
cont
i
nuous
li
sten
i
n
g w
atch
us
i
n
g
the ma
i
n
rad
i
o
stat
i
on
on
the
A
SN
d
i
stress
and
safety
fre
q
uency
84
1
4.
5
k
H
z
and
de
p
end
i
n
g
on
the
p
os
i
t
i
on
of
the
vesse
l
and
t
i
me
of
day
on
at
l
east
one
of
the
fo
ll
o
w
i
n
g
DS
C
d
i
stress
and
safety
fre
q
uenc
i
es:
4207.
5
k
H
z
;
631
2 k
H
z
;
1
2
5
77 k
H
z or
16
804.
5
k
H
z
.
Vesse
l
s
e
q
u
i
pp
ed
w
i
th
a
d
i
rect
f
i
nd
i
n
g
li
sten
i
n
g w
atch
rece
p
tor
can ma
i
nta
i
n
th
i
s
li
sten
i
n
g w
atch
by
scann
i
n
g
these
fre
q
uenc
i
es
.
4
.
6
.
5
Ma
r
ine weat
h
e
r
and
s
a
f
et
y
in
f
o
rm
ation
T
he
B
r
id
g
e
W
atc
h
Off
ice
r
shall
mon
i
tor
the
automated
N
A
V
T
E
X
and
I
nmarsat
-
C
S
afety
N
E
T
systems
for
p
romu
l
g
at
i
n
g
w
eather
forecasts
and
w
arn
i
n
g
s
,
mar
i
ne
nav
i
g
at
i
ona
l
w
arn
i
n
g
s
and
other
safety
re
l
ated
i
nformat
i
on
.
4
.
6
.
6
R
adio co
mmu
nication
s
lo
gb
ook
T
he
R
ad
i
o
Commun
i
cat
i
ons
L
o
g
boo
k
shall
be
k
e
p
t
on
board
for
p
resentat
i
on
to
com
p
etent
author
i
t
i
es
on
re
q
uest
.
T
he
Ma
s
te
r
shall
i
n
i
t
i
a
l
the
R
ad
i
o Commun
i
cat
i
ons
L
o
g
boo
k
da
il
y
.
P
a
g
es
of
the
R
ad
i
o
Commun
i
cat
i
ons
L
o
g
boo
k
shall
be
numbered
and
shall not
be
torn
out
or
other
w
i
se
dama
g
ed
.
T
he
fo
ll
o
w
i
n
g
entr
i
es
shall
be made
i
n
the
R
ad
i
o Commun
i
cat
i
ons
L
o
g
boo
k
:
Vers
i
on
SF(BOS-
P
RD-07.900
5
02-
ver
.04). O
r
i
g
i
na
l
date:
0
1
/0
6
/20
1
2.
Vers
i
on
date:
31
/
1
2/20
15
.
Va
li
d
vers
i
on
on
l
y
on Q
M
S
s
i
te
.
Uncontro
ll
ed
document
w
hen
p
r
i
nted
.
P
rocedure
p
re
p
ared by:
BOS
H
ead
of
O
p
erat
i
ons
.
App
roved
by:
BOS
H
ead
of
O
p
erat
i
ons
.
Va
li
dated by:
BOS
Qua
li
ty
R
e
p
resentat
i
ve
.
13
/
1
7
275