225-Navigation and Watch Keeping / 748
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ation and
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Kee
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BOS-PRD-07.900502
Version 04. Original date: 01/06/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS Head of Operations. Approved by: BOS Head of Operations. Validated by: BOS Quality Representative.
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Helm
s
man
The member of the ship's crew who is responsible for steering.
HF
High Frequency
I
nma
rs
at-
C S
a
f
ety
N
ET
This is a "satellite telex" terminal with store-and-forward, polling etc. capabilities.
IS
M
C
ode
International Safety Management Code
J
S
A
Job Safety Analysis
MF
Medium Frequency
N
AVTEX
NAVigational TEXt Messages. International, automated system for instantly distributing Maritime Safety
Information (MSI)
O
p
en
S
ea
w
ay
s
That part of the ocean not enclosed by headlands, not within narrow straits, and so on. That part of the
ocean outside the territorial jurisdiction of any country.
O
S
M
Operational Safety Management
PT
W
Permit To Work
RO
C
Restricted Operator Certificate
Squ
at
T
he reduction of a vessel’s UKC, caused by the relative movement of the ship’s hull through the surroun
ding
body of water. Compared with the sea-going condition, the hull sinks deeper into the water and increases
trim. The algebraic sum of both, sinking and trimming is called Squat.
SS
O
Ship Security Officer
SS
P
Ship Security Plan
TBT
Tool Box Talk
UHF
Ultra High Frequency
UK
C
Under-Keel Clearance
VHF
Very High Frequency
225