271/ 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
4
.
3
.
6
Hea
v
y
weat
h
e
r
T
he
Ma
s
te
r
i
s
res
p
ons
i
b
l
e
for
document
i
n
g
h
i
s
re
q
u
i
rements
for
heavy
w
eather sa
ili
n
g
i
n
the
Master’s
Standing Orders
and
w
i
th
the
B
r
id
g
e
W
atc
h Off
ice
r
s
ensur
i
n
g
they are
fo
ll
o
w
ed
.
A
fu
ll
r
i
s
k
assessment
shall
be
carr
i
ed
out
p
r
i
or
to
onset
of
heavy
w
eather
to
ensure
the
safety
of
the
vesse
l
and
cre
w
.
I
dea
ll
y
,
a
vesse
l
should
“
r
i
de
”
heavy
w
eather
on
a
course
and
at
a
s
p
eed
to ma
i
nta
i
n
head
i
n
g w
h
il
e
li
m
i
t
i
n
g
the effects
of
brea
ki
n
g
seas
and
to
p
revent dama
g
e
.
D
ur
i
n
g
heavy
w
eather
, i
n
add
i
t
i
on
to
other
documented safe
nav
i
g
at
i
ona
l
p
ract
i
ces
,
the
B
r
id
g
e
W
atc
h
Off
ice
r
shall
:
x
I
f
p
r
i
or
w
arn
i
n
g
of
heavy
w
eather
i
s
rece
i
ved
(
or
i
f
a
p
ro
p
osed
course
a
l
ternat
i
on
shall
cause
severe
mot
i
on
)
ensure
that
a
ll
p
ersonne
l
are
made
a
w
are
,
car
g
o
should
be
chec
k
ed
to
ensure
movab
l
e
ob
j
ects
are
su
i
tab
l
y
secured
and
a
ll
p
ract
i
ca
l
p
recaut
i
ons
are
ta
k
en
to
avo
i
d
any
dama
g
e
that may
other
w
i
se occur
;
x
Cons
i
derat
i
on
shall
be
g
i
ven
to
f
i
nd
i
n
g
she
l
ter
from
the
seas
;
a
p
ort
of
refu
g
e
shall
be
cons
i
dered
i
f
the
vesse
l i
s
ta
ki
n
g
or
i
s
lik
e
l
y
to
ta
k
e unacce
p
tab
l
e
p
un
i
shment
;
x
Cre
w
act
i
v
i
ty
on
dec
k
or
any
e
x
p
osed
area
shall
be
avo
i
ded
un
l
ess
necessary
for
the
safety
of
p
ersonne
l,
the
vesse
l
or
assets
;
x
I
f
cre
w
members
have
to
g
o
onto
the
dec
k
or
i
nto
other
e
x
p
osed
areas
,
the
use
of
li
fe
li
nes
or
s
i
m
il
ar
p
rotect
i
on
shall
be
cons
i
dered
i
n add
i
t
i
on
to
f
l
otat
i
on dev
i
ces
;
x
T
he
vesse
l
shall
be
maneuvered
i
nto
a
p
os
i
t
i
on
and
at
an o
p
t
i
m
i
sed s
p
eed
to
afford
ma
xi
mum
p
rotect
i
on
for
cre
w
on
dec
k,
w
ho
shall
be
constant
l
y mon
i
tored
unt
il
safe
l
y
c
l
ear
from
the dec
k;
x
I
f
s
i
zeab
l
e
ob
j
ects
are
l
ost
or
j
ett
i
soned
overboard
and
rema
i
n
af
l
oat
,
a
secur
i
ty messa
g
e
shall
be
transm
i
tted
and
the
nearest
C
oa
s
tal
S
tate a
u
t
h
o
r
itie
s
shall
be
i
nformed
. T
he
C
ont
r
act
s
Mana
g
e
r
,
Op
e
r
ation
s
Mana
g
e
r
and
any a
pp
li
cab
l
e offshore
i
nsta
ll
at
i
on
shall
a
l
so be
i
nformed
;
x
I
f
the
contents
of
the
l
ost
ob
j
ect
are
hazardous
,
a mar
i
ne
p
o
ll
utant
or
a
dan
g
er
to
nav
i
g
at
i
on
,
the
a
pp
ro
p
r
i
ate messa
g
e
shall
be
d
i
s
p
atched
. T
he
C
ont
r
act
s
Mana
g
e
r
, Op
e
r
ation
s
Mana
g
e
r
and
any
a
pp
li
cab
l
e
offshore
i
nsta
ll
at
i
on
shall
a
l
so be
i
nformed
;
x
I
n
the
event
of
any
dama
g
e
or
other
l
oss
,
or
any
other
s
i
tuat
i
on
deve
l
o
p
i
n
g
that
i
s
deemed
unusua
ll
y
hazardous
w
i
th
cons
i
derat
i
on
to
the
p
reva
ili
n
g
heavy
w
eather
cond
i
t
i
ons
. T
he
Ma
s
te
r
shall
fo
ll
o
w
the
p
rocedures
for
i
nc
i
dent
re
p
ort
i
n
g
;
x
T
he
C
ont
r
act
s
Mana
g
e
r
,
Op
e
r
ation
s
Mana
g
e
r
and
any
a
pp
li
cab
l
e
offshore
i
nsta
ll
at
i
on
shall
be
i
nformed
.
D
ur
i
n
g
heavy
w
eather
,
En
g
i
nee
W
atch
K
ee
p
i
n
g
res
p
ons
i
b
ili
t
i
es
are as
documented
for
coasta
l
nav
i
g
at
i
on
.
4
.
3
.
7 Dy
na
m
ic
P
o
s
itionin
g
(
D
P
2
)
W
atc
h
Kee
p
in
g
T
he
br
i
d
g
e
shall
be manned
by
t
w
o
D
P
Op
e
r
ato
r
s
w
henever
the
vesse
l i
s
o
p
erat
i
n
g
i
n
a
D
P
mode
. B
oth
D
P
Op
e
r
ato
r
s
p
er
w
atch
shall
be
q
ua
li
f
i
ed
B
r
id
g
e
W
atc
h Off
ice
r
s
,
tra
i
ned
and
e
x
p
er
i
enced
i
n
D
P
o
p
erat
i
ons
and
w
i
th
a
sound
w
or
ki
n
g
k
no
w
l
ed
g
e of
offshore o
p
erat
i
ons
.
O
ne
of
the
D
P
Op
e
r
ato
r
s
shall
be
cert
i
f
i
ed
and
des
i
g
nated
by
the
S
enio
r
D
P
Op
e
r
ato
r
(
Sr
-
D
P
O
)
and
be
i
n
char
g
e
of
the
w
atch
. T
he
second
O
p
erator
shall
be
the
D
P
Op
e
r
ato
r
(
D
P
O
)
and
shall
be
ca
p
ab
l
e
of
ta
ki
n
g
a
w
atch at
the
o
p
erat
i
n
g
conso
l
e
.
T
he
D
P
conso
l
e
i
s
to
be manned
at
a
ll
t
i
mes
w
hen
the
vesse
l i
s
o
p
erat
i
n
g
i
n
the
D
P
mode
and the
S
enio
r
D
P
Op
e
r
ato
r
shall
at
a
ll
t
i
me
rema
i
n on
the
br
i
d
g
e
.
T
he
D
P
Op
e
r
ato
r
at
the
conso
l
e
i
s
the
act
i
ve
surface
co
-
ord
i
nator
of
the
o
p
erat
i
on
w
h
il
st
the
vesse
l i
s
i
n
the
D
P
mode
,
and as
such
shall
rema
i
n ded
i
cated
to h
i
s
res
p
ons
i
b
ili
t
i
es
at
the
D
P
conso
l
e
.
T
he
D
P
Op
e
r
ato
r
under
no
c
i
rcumstances
shall
ta
k
e
p
art
i
n
the
sh
i
p
s
rout
i
ne act
i
v
i
t
i
es
.
T
o
avo
i
d
l
oss
of
concentrat
i
on
,
the
t
w
o
D
P
Op
e
r
ato
r
s
on
w
atch
should
e
x
chan
g
e
p
l
aces
at
the
conso
l
e
at
l
east
every
t
w
o hours
and
p
referab
l
y every one
hour
.
V
ers
i
on
S
F
(BOS-
P
RD-0
7
.900
5
02-
ver
.0
4
). O
r
i
g
i
na
l
date:
0
1
/0
6
/20
1
2.
V
ers
i
on
date:
31
/
1
2/20
1
5
.
V
a
li
d
vers
i
on
on
l
y
on QM
S
s
i
te
.
Uncontro
ll
ed
document
w
hen
p
r
i
nted
.
P
rocedure
p
re
p
ared by:
BOS
Head
of
O
p
erat
i
ons
.
App
roved
by:
BOS
Head
of
O
p
erat
i
ons
.
V
a
li
dated by:
BOS
Qua
li
ty
R
e
p
resentat
i
ve
.
9 /
1
7
271