553/ Helicopter Operations / 992
H
elico
p
ter O
p
erations
BOS-
P
RD-2
6
.900
6
10
procedures
,
unt
il
such
t
i
me
as
he
i
s
adv
i
sed
that
the
Fli
ght
W
atch
has
been
turned
over to another
agency
.
T
he
Li
ft
i
ng Ca
ll
message w
ill
conta
i
n
some or
a
ll
of
the
fo
ll
ow
i
ng
i
nformat
i
on:
a
.
ca
ll-
s
i
gn or
f
li
ght
number
;
b
.
departure po
i
nt
;
c
.
t
i
me of
ta
k
e off
;
d
. i
n
i
t
i
a
l
en
route
rad
i
a
l
and
i
ntercept or
trac
k;
e
. i
n
i
t
i
a
l
en
route
cru
i
s
i
ng
a
l
t
i
tude
.
I
mmed
i
ate
l
y
after
ta
k
e
-
off
,
a
departure message
i
n
the
format
agreed on w
i
th
the
H
elico
p
ter O
p
erator
shall
be
sent
to
the
H
elico
p
ter
C
ontractor
. T
he
departure
message
w
ill i
nc
l
ude f
li
ght
number
,
Vessel
name
,
departure
t
i
me
,
dest
i
nat
i
on
,
E
T
A
,
number
of PA
X,
autonomy
,
and
f
l
y
i
ng a
l
t
i
tude
.
4.
3
E
q
u
i
p
m
ent an
d m
aintenance
W
ee
kl
y
ma
i
ntenance
of
the
he
li
dec
k
and
re
l
ated
e
q
u
i
pment
shall
be
performed
i
n
comp
li
ance
w
i
th
the
Weekly Helideck Checklist.
I
n
add
i
t
i
on
,
the
e
q
u
i
pment
shall
be
i
nspected
as
descr
i
bed
i
n the
planned
maintenance system (PMS)
.
4.4
S
a
f
et
y
on
h
eli
d
ec
k
T
he
pract
i
ce
of
e
x
erc
i
s
i
ng
on
he
li
dec
k
s
has
been
common
for
as
l
ong
as
there
have
been
he
li
dec
k
s
on
-
board p
l
atforms
and
vesse
l
s
.
As
the
he
li
dec
k
prov
i
des
a
free
and
c
l
ear
space
enab
li
ng wa
lki
ng
on
-
board
, i
t
i
s
not
i
ntended
to
proh
i
b
i
t
the
use of
th
i
s
fac
ili
ty
.
However
,
some
r
i
s
k
s
can e
xi
st and
need
to
be m
i
t
i
gated
.
T
hese
r
i
s
k
s
i
nc
l
ude:
- Ri
s
k
of
s
ki
n burns
due
to
radar
rad
i
at
i
ons
.
- F
a
ll
from
the
he
li
dec
k
due
to
l
oss
of
ba
l
ance
,
due
to
e
x
cess
i
ve
vesse
l
movement
,
or
l
ac
k
of
protect
i
on
.
R
is
k
lin
k
e
d
wit
h
ra
d
iations
4.4.1
Mar
i
ne
radar
systems
operate
i
n
the
h
i
gh
rad
i
o
fre
q
uency
and m
i
crowave
range
.
Un
lik
e
X-
rays
and
nuc
l
ear
rad
i
at
i
on
,
the
em
i
ss
i
ons
from mar
i
ne
radar
are
non
-i
on
i
z
i
ng
rad
i
at
i
on
and
do
not
penetrate
the
human
body
but
can
cause heat
i
ng
of
the
surface
,
part
i
cu
l
ar
l
y of
the
s
ki
n and eyes
.
Canad
i
an
Coast
G
uards
have
performed
ca
l
cu
l
at
i
ons
on
both
rotat
i
ng
scanner
antennas
wh
i
ch
are
common
l
y used on
-
board commerc
i
a
l
vesse
l
s
.
T
he
i
r
conc
l
us
i
on
i
s
that when
a
scann
i
ng
antenna
i
s
rotat
i
ng
,
the
safe wor
ki
ng
d
i
stance
i
s
20
cm
away
from
the antenna
.
O
ther
measures
performed
by
the
B
r
i
t
i
sh
government
have
shown
that
at
10
meters
from
2
common
commerc
i
a
l
mar
i
ne
radars
the e
x
posure
rate was
10
t
i
mes
be
l
ow
the
acceptab
l
e
pub
li
c
e
x
posure
rate
.
T
hese
two
stud
i
es
are
show
i
ng
that
the
r
i
s
k i
s
l
ow on
-
board our
vesse
l.
As
there
are
other
sources
of
rad
i
at
i
on
than
the
radars
,
and
i
n
order
to
be
protect
i
ve
,
it is reco
mm
en
d
e
d
to
k
ee
p
at least a 5
m
d
istance
f
ro
m
an
y
rotating ra
d
ar antenna an
d
to li
m
it t
h
e ti
m
e s
p
ent on t
h
e
h
eli
d
ec
k
at
l
east than
1
hour
per
day
. T
hese
restr
i
ct
i
ons
do not app
l
y when
radar
i
s
off
or
i
n
standby
.
R
is
k
o
f
f
all
f
ro
m h
eli
d
ec
k
4.4.2
S
ome
cases
of
susp
i
c
i
ous
fa
ll
from
he
li
dec
k
have
been
reported
i
n
the
i
ndustry
.
However
g
i
ven
the
c
i
rcumstances
of
these
events
,
there
i
s
no
ev
i
dence
that
i
t
was
d
i
rect
l
y
li
n
k
ed
to
a
tr
i
p
hazard
. S
afety
nets
should
a
l
ways
be
f
ix
ed
i
n p
l
ace around
he
li
dec
k
s
and are des
i
gned
to
prov
i
de protect
i
on
aga
i
nst
fa
lli
ng
.
Vers
i
on
SF
(
BOS-
P
RD-0
7
.900
6
10-
ver
.01
)
. O
r
i
g
i
na
l
date:
8
/
8
/2014.
Vers
i
on date:
3
1/12/201
5
.
Va
li
d
vers
i
on
on
l
y
on QM
S
s
i
te
.
Uncontro
ll
ed
document when
pr
i
nted
.
Procedure prepared by:
BOS
Head
of
O
perat
i
ons
.
Approved
by:
BOS
Head
of
O
perat
i
ons
.
Va
li
dated by:
BOS
Qua
li
ty
R
epresentat
i
ve
.
9 / 22
553