E0
Instrumentation and automation installed to allow for unattended machinery space.
EC
Class notation for ships built for the easy cleaning of cargo holds.
ECO
Instrumentation and automation installed to allow for centralised operated machinery.
EL
Class notation for Easy Loading of Bulk Carriers.
EP-1(a%)(+)
Main and emergency propulsion is provided by a common propulsion system (one propeller) with propulsion machinery redundancy.
EP-2(a%)(+)
Main and emergency propulsion is provided by separate systems (two propellers).
EP-3(a%)(+)
Main and emergency propulsion is provided by separate systems as for EP-2(a%)(+), in addition the prime mover and thruster and their auxiliaries are separated by watertight A-60 bulkheads (two propellers separated).
ES(...;...;...)
(D) - Enhanced strength Double side skin bulk carrier (O) - Enhanced strength Ore carrier (S) - Enhanced strength Single side skin bulk carrier
ESP
Ships subject to an enhanced survey programme.
ETC
Effective Tank Cleaning on board Oil Products and Chemical Tankers.