273/ 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
x
Master’s Standing Orders
and
any
s
p
ec
i
a
l i
nstruct
i
ons
w
i
th
i
n
the
M
aster
’
s
Ni
g
ht
O
rder
B
oo
k (
the
re
li
ev
i
n
g
B
r
id
g
e
W
atc
h Off
ice
r
shall
s
i
g
n
the
M
aster
’
s
Ni
g
ht
O
rder
B
oo
k);
x
A
ny dan
g
ers
to nav
i
g
at
i
on
e
x
p
ected
to be encountered dur
i
n
g
the
w
atch
p
er
i
od
;
x
P
resent
and
e
x
p
ected
v
i
s
i
b
ili
ty
(i
nc
l
ud
i
n
g
hours
of
dar
k
ness
),
sea
state
,
current
and
other
w
eather
cond
i
t
i
ons
;
x
P
resence
and movements
of
any
vesse
l
s
w
i
th
i
n
s
i
g
ht
;
x
O
p
erat
i
ona
l
cond
i
t
i
on of
nav
i
g
at
i
ona
l
e
q
u
i
p
ment
;
x
A
ny
P
erm
i
t
to
W
or
k (
P
TW)
/
chec
k-li
st
i
n
o
p
erat
i
on
and
the
status
and
l
ocat
i
on
of
any
cre
w
ass
i
g
ned
w
or
ki
n
g
dut
i
es
.
4
.
3
.11 Ice o
r s
e
v
e
r
e
sub
-z
e
r
o te
mp
e
r
at
ur
e
s
.
I
n
case
of
e
xi
st
i
n
g
or
announced
sub
-
zero
tem
p
eratures
or
i
ce
i
n
the
nav
i
g
at
i
n
g
area
,
a
Ri
s
k
A
ssessment
shall
be made
i
n
order
to
avo
i
d
a
ll
r
i
s
k
due
to
the
l
o
w
tem
p
eratures
. I
t
shall
i
nc
l
ude the
fo
ll
o
w
i
n
g
r
i
s
k
s:
dec
k
p
i
p
es
freez
i
n
g
,
dan
g
er
of
nav
i
g
at
i
on
,
stab
ili
ty
i
ssue
(
see
S
ect
i
on
6
vesse
l
stab
ili
ty
/
Cha
p
. 4.
6
)
and
should
be
com
p
l
eted
w
i
th
vesse
l
s
p
ec
i
f
i
c
r
i
s
k
s
(S
ee
S
ect
i
on
9 –
Job
S
afety
A
na
l
ys
i
s
/
Cha
p
4.2).
T
he
com
p
any
Op
e
r
ation Mana
g
e
r
shall
be
i
nformed
and
a
Management Of Change shall
be
done
as
p
er
S
M
S
re
q
u
i
rements
(
see
S
ect
i
on
7
mana
g
ement of
chan
g
e
).
A
ny
S
h
i
p
s
e
x
p
ected
to
be
o
p
erated
i
n
co
l
d
w
eather
cond
i
t
i
ons
shall
be
ass
i
g
ned
the
“
Co
l
d
W
eather
Cond
i
t
i
ons
”
notat
i
on
by
B
V
(
P
t
A
,
Ch
1
, S
ec
2,
6
.
1
4.
1
2)
or
other
e
q
u
i
va
l
ent
by other
c
l
ass
soc
i
ety
.
A
ny
S
h
i
p
s
e
x
p
ected
to
be
o
p
erated
i
n
the
p
o
l
ar
w
aters
(
be
l
o
w
66°33
’44’’ S
or
over
66°33
’44’’ N)
shall
have
su
i
tab
l
e
I
ce C
l
ass
notat
i
on
, i
n
conformance
w
i
th
“
I
M
O
M
S
C
1
0
56
/ M
E
P
C 3
99”.
4
.
4
W
atc
h
k
ee
p
in
g
in
p
o
r
t
W
hen
the
vesse
l i
s
i
n
p
ort
,
the
dut
i
es
of
the
B
r
id
g
e
W
atc
h
Off
ice
r
i
nc
l
ude
but
are
not
li
m
i
ted
to
the
fo
ll
o
w
i
n
g
:
x
R
e
i
nforcement
of moor
i
n
g
s
i
f
heavy
w
eather
cond
i
t
i
ons
are
e
x
p
ected
(
e
.
g
.
s
w
e
ll)
and
, i
f
necessary
,
a
l
ert
the
en
g
i
ne
room
of
the
p
oss
i
b
l
e need
for
p
ro
p
u
l
s
i
on
;
x
Chec
ki
n
g
moor
i
n
g
li
nes
and
rat
g
uard
p
os
i
t
i
ons
re
g
u
l
ar
l
y
;
x
Ensur
i
n
g
that
the
g
an
gw
ay
i
s
secure
l
y
and
correct
l
y
i
nsta
ll
ed
suff
i
c
i
ent
l
y
ill
um
i
nated
and
e
q
u
i
pp
ed
w
i
th
a
safety net
;
x
M
a
i
nta
i
n
i
n
g
cont
i
nuous V
H
F
rad
i
o
w
atch
k
ee
p
i
n
g
;
x
I
f
the
B
r
id
g
e
W
atc
h
Off
ice
r
i
s
re
q
u
i
red
to
l
eave
the
br
i
d
g
e
for
w
hatever
reason
,
a
su
i
tab
l
y
tested
and
funct
i
on
i
n
g
hand he
l
d
rad
i
o
ca
p
ab
l
e of ma
i
nta
i
n
i
n
g
re
q
u
i
red
commun
i
cat
i
ons
shall
be ut
ili
zed
.
M
a
i
nta
i
n
p
ermanent
secur
i
ty measures
as
fo
ll
o
w
s:
x
A
ss
i
g
nment
of
an
eff
i
c
i
ent
w
atch
cons
i
st
i
n
g
of
ade
q
uate
numbers
of
p
ersonne
l
to
ma
i
nta
i
n
and
mon
i
tor
the
g
an
gw
ay
cont
i
nuous
l
y
and
to
p
rov
i
de
suff
i
c
i
ent
secur
i
ty
cover
ta
ki
n
g
i
nto
account
rout
i
ne
sh
i
p
board
re
q
u
i
rements
;
x
Chec
ki
n
g
the
p
ro
p
er
o
p
erat
i
on
of
the
rad
i
o
i
ssued
to
the ass
i
g
ned
g
an
gw
ay
w
atch
;
x
S
tr
i
ct
l
y ma
i
nta
i
n
i
n
g
a
ll
p
rov
i
s
i
ons
for
the
vesse
l’
s
secur
i
ty
as
p
er
the
Ship Security Plan
(SS
P
)
and
w
i
th
re
g
ard
to any
l
oca
l i
nstruct
i
ons
ta
ki
n
g
i
nto account
a
ll l
oca
l
secur
i
ty
i
nformat
i
on
;
x
N
ot
i
fy
i
n
g
the
S
h
i
p
S
ec
ur
ity
Off
ice
r
(
SS
O)
and
/
or
Ma
s
te
r
of
any
v
i
o
l
at
i
on
of
stand
i
n
g
secur
i
ty
measures
,
e
.
g
.
any
v
i
s
i
tor
refus
i
n
g
to
under
g
o
i
dent
i
ty
chec
k
s
or
to
com
p
l
ete
the
v
i
s
i
tor
’
s
re
g
i
ster or
i
f
found
i
n any
li
m
i
ted
or
p
roh
i
b
i
ted
access
areas
.
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
.
11
/
1
7
273