R0
Class notation defining a service area restriction.
R1
Class notation R1 defines a service area restriction
R2
Class Notation R2 defines a service area restriction.
R3
Class notation R3 defines a service area restriction.
R4
Class notation R4 defines a service area restriction.
RATE-A
Class notation that provides enhanced information about the ship’s technical standard.
RC-1 (X/Y)
Class notation for container ships intended for carrying refrigerated cargo in reefer containers.
RC-2 (X/Y)
Class notation for container ships intended for carrying refrigerated or frozen cargo in reefer containers.
RC-3 (X/Y)
Class notation for ships carrying refrigerated or frozen cargo in reefer containers.
RE
Class Notation RE defines a service area restriction.
REGAS-1
Class notation for vessels with regasification plants mainly intended for shuttle operation.
REGAS-2
Class notation for vessels with regasification plants mainly intended for continuous operation.
RM (…°C/…°C sea)
Equipped with a refrigeration plant where the lowest chamber temperature is given in °C and maximum sea water temperature in °C
RM CONTAINER
Equipped for carriage of refrigerated containers, where cooling is supplied from ships refrigeration plant.
RO/RO
Arranged for roll-on roll-off cargo handling.
RP
Class notation for Redundant Propulsion.
RPS
Class notation for Redundant Propulsion with physically separated propulsion lines and steering systems.