COAST GUARD CUTTERS
TRANSPORTABLE PORT SECURITY
BOAT (TPSB)
BRIEFING: The 32-foot TPSB is operated primarily by port
security units. It is designed for high speed and maneuvering in
demanding operational environments. The TPSB is equipped
with ballistic protection and shock-mitigating seating for five
personnel. The Coast Guard’s TPSB inventory is 52 boats.
32-Foot Transportable Port Security Boat
LENGTH:...................... 32. 5 feet
BEAM: .......................... 8. 2 feet
SPEED:......................... 43+ knots
RANGE:........................350 nautical miles
POWER PLANT:........... 2 Yanmar 6V diesel inboard engines, 630 hp
ARMAMENT: ................ 4 mounts for M240 machine guns
COMPLEMENT: ............ 4
BUILDER:.....................Kvichak Marine Industries
RESPONSE BOAT-SMALL (RB-S)
BRIEFING: The Coast Guard originally developed the 25-foot
Defender-class RB-S, featuring an enclosed cabin, as a replacement for 300 nonstandard shore-based boats. Since their introduction into service in fall 2003, the craft have become the
Coast Guard’s primary port security surface asset for stations
and maritime safety and security teams. The boat features an
elongated cabin and shock-mitigating seats. The Coast Guard’s
inventory of RB-S is 268.
25-Foot Defender-class Response Boat-Small
DISPLACEMENT .......... 7,400 pounds
LENGTH:...................... 24. 6 feet
BEAM: .......................... 8. 5 feet
SPEED:......................... 46 knots
RANGE:........................ 150 nautical miles
POWER PLANT:........... 2 Honda outboard gasoline engines, 450 hp
ARMAMENT: ................ 2 mounts for M240 machine guns
COMPLEMENT: ............ 4
BUILDER:.....................SAFE Boats International
RESPONSE BOAT-SMALL II (RB-S II)
BRIEFING: As the first-generation RB-S reached the end of its 10-
year service life, the Coast Guard is procuring the RB-S II from
Metal Shark Aluminum Boats. The Coast Guard has taken delivery of 106 RB-S IIs and 159 were on order as of October 2014.
29-Foot Response Boat-Small (Gen-II)
DISPLACEMEN T .......... 8,300 pounds
LENGTH....................... 28. 5 feet
SPEED:......................... 46 knots
RANGE:........................ 150 nautical miles
POWER PLANT:........... 2 Honda outboard gasoline engines, 450 hp
ARMAMENT: ................ 2 machine gun mounts
COMPLEMEN T: ............ 4
BUILDER:.....................Metal Shark Aluminum Boats
CUTTER BOAT OVER-THE-HORIZON
(CB-OTH)
BRIEFING: The 24-foot CB-OTH is an RHIB that can be
launched from a cutter to observe, identify, track, pursue and
prosecute “go-fasts” well in advance of the cutter being detected. It replaced the RHIBs deployed for high-speed pursuits since
1998. There are two versions with a fiberglass (MK-II) or aluminum (MK-III) hull. There are 17 MK-IIs and 52 MK-IIIs in
the Coast Guard inventory.
24-Foot Cutter Boat Over-the-Horizon
DISPLACEMEN T .......... 5,415 pounds
LENGTH:...................... 24. 75 feet
BEAM: .......................... 9 feet
SPEED:......................... 42+ knots
RANGE:........................250 nautical miles at 26 knots
POWER PLANT:........... 1 Yanmar diesel engine, 318 hp
ARMAMENT: ................ 1 mount for M240 machine gun
COMPLEMENT:............up to 5
BUILDER:.....................Zodiac North America/Zodiac Hurricane
WWW.SEAPOWERMAGAZINE.ORG 142 SEAPOWER ALMANAC 2015
U.
S.
C
O
A
S
T
G
U
A
R
D
RESPONSE BOAT-SMALL
U
.
S
.
C
O
A
S
T
G
U
A
R
D
RESPONSE BOAT-SMALL II
U
.
S
.
C
O
A
S
T
G
U
A
R
D
