VOYAGE DATA RECORDERS
Passenger ships & the ships other than passenger
ships of 3000 GT & more built on or after 1st July 2002 must carry voyage
data recorders (VDRs) to help in accident investigations, under regulations
accepted in 2000,...
TURBOCHARGERS
There are different acronyms that are generally used when
referring to turbochargers with variable geometry turbines. In almost all cases
these are or have been logo that the particular manufacturer has used with
reference to their product....
DETENTION OF SHIP UNDER PORT STATE CONTROL
Under the
Port State Control (PSC), inspection of ships in port is done by the Port
State Control Officer(PSCO). Annual data of Paris MoU confirms that a total
of 74,713 deficiencies were recorded during port state control...
Virtual Tappet
What is Virtual Tappet?
Unlike Aux Engines which have a manual tappet to adjust, there must be a tappet clearance for the Main Engine as well. But with the absence of a rocker arm...
MODERN AVR USING ZENER DIODE
Modern A.V.R. (Zener Bridge)
Voltage through the Zener diodes remains
almost constant independent of current variations.Smoothed D.C. output is applied to the
voltage reference bridge.This bridge is balanced at the correct
generator voltage output with no potential difference...
BOILER WATER TEST
Collecting Sample water
The first phase in the boiler water testing
is to collect feed water sample from the boiler concerned.Always take the water sample from the same
place.Test samples usually cooled to 25 degree
Celsius with the...
SCOPE OF CLASSIFICATION SOCIETIES
Performing the published Rules, the
classification process includes:
A technical analysis of the
design plans & related records for the new ship to check compliance with
the relevant Rules;Presence at the building of
the ship in the shipyard by...
SURVEYS, VERIFICATIONS AND CERTIFICATION
All the ships should be surveyed & certified by the
officers of the flag State or their recognized organizations (ROs) or
recognized security organizations(RSOs) or nominated surveyors so that
applicable certificates can be provided to organize that...
PORT STATE CONTROL
Port State Control (PSC) is the checking of foreign ships
in the national ports to confirm that the condition of the ship & its
equipment satisfy with the conditions of the international regulations &
that the ship...
LIST OF IMO CONVENTIONS
Key
IMO Conventions
International Convention for
the Safety of Life at Sea (SOLAS), 1974, as amendedInternational Convention for
the Prevention of Pollution from Ships, 1973, as modifiedby the Protocol of 1978 relating
thereto and by the Protocol of 1997...









