Last update 25 Oct 2007

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Italy - SRV300 Last update : 25 Oct 2005

SRV 300








 Italian manned submarine rescue vehicle SRV 300

Vehicle dimensions  Length overall  8.46 m 
Width overall 3.13 m  
Height (with mating skirt) 4.04 m  
Height (without skirt)  3.17 m 
Weight (with skirt)  27.3  T 
Maximum operating depth 300m  (985 ft)  
Maximum range  15 nautical miles
Construction Pilot compartment Steel
Trim and ballast system Ballast tanks volume 1300liters
Trim tanks volume  880 liters
Compensation load rescues tanks volume 1070 liters
Batteries  120v      (1180Ah at 5h rate)
24V       (840Ah at 5h rate)
Emergency batteries   24V (110Ah)
Endurance highly dependent on battery usage  
Recharge time: 8-10 h
Likely endurance
Rescue operation 14 h
Reconnaissance operation 10 h
Life Support Endurance  480 Man hrs
Air capacity 500 liters at 300 bar (external hull cylinders)
Oxygen capacity 100 liters at 200 bar (external hull cylinders)
Propulsion (hydraulic) Main propulsion  20 Kw, (horizontal  angle up to +/- 45°)
Auxiliary propulsion

4x10Kw thrusters for transverse and vertical  motion

Max Speed 2.5kts  (3kts without skirt)
Navigational equipments  Gyrocompass
SSBL Navigation system
Underwater comms UWT type 3081 (8kHz)
UWT Type 3091 (25 kHz)
Emergency Pinger Type 3017 (37.5kHz)
Above water Comms Sound Powered telephones (Umbilical to mothership)
UHF Sailor RT 2048


Tools Available Manipulator    (ejectable) for fine work
Max  extension 1800mm
lift at max. extension 1950 N
Closing Force 1100 N
Torsion Couple 55Nm
Claw’s max opening 77 mm
Gripper claw (ejectable): capable to manipulate object up to 1m of diameter    
Underwater television and camera   

Forward pan and tilt colour camera 

Aft pan and tilt black and white camera 

Inside skirt black and white camera

Note: plus video recording facilities from any of  these camera

Crew Pilot & Co pilot
Weather Limitation SS 3
Mating angle +/- 45°
Rescue capability At internal pressure of 6 bar SRV’s cram capacity is 12 rescuees