Lesson 15 UNREP

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Information about Lesson 15 UNREP

Published on November 6, 2007

Author: Davidson

Source: authorstream.com

Slide1:  Lesson 12: Underway Replenishment Slide2:  Underway Replenishment Agenda Know the types of ships involved in underway replenishment. Know the basic UNREP procedures, from coming alongside to breaking away. Know the basic UNREP communication procedures. Know the equipment associated with replenishment at sea. Know fundamental UNREP safety precautions. Applicable Reading: SSO, Ch. 3, SFDO Ch 9, 11. Governing Reference: NWP 4-01.4 Slide3:  UNREP Terminology Underway Replenishment (UNREP) any method of transferring fuel, ammunition, and stores from one ship to another Replenishment at Sea (RAS) Underway logistical transfers of material Fueling at Sea (FAS) Same as above, specifically for fuel transfer Slide4:  UNREP Terminology Connected Replenishment (CONREP) a method of transferring fuel, ammunition, and stores from one ship to another through lines and hoses connecting the two ships. Vertical Replenishment (VERTREP) a method of transferring ammunition and stores from one ship to another by helicopter. Replenishment Terms:  Replenishment Terms ROMEO CORPEN / ROMEO SPEED Replenishment Course and Speed Course and speed used during UNREP Control Ship Guide Responsible for staying on R CORPEN and SPEED usually the delivery ship except when receiving ship is a carrier Approach Ship Responsible for making the approach on the control ship Delivery Ship usually the control ship supplies fuel, ammunition or stores to the receiving ship Receiving Ship receives fuel, ammunition, or stores from the supply ship Underway Replenishment Oilers (T-AO):  Underway Replenishment Oilers (T-AO) Mission: Fleet Oiler Dimensions: 677 feet 42,000 tons Propulsion: (2) Diesel Turbines (2) Shafts Max Speed: 20 kts Capacity: 180K barrels of F-76 or JP-5 Thirteen underway replenishment oilers are operated by the Military Sealift Command. Ammunition Ships (T-AE):  Ammunition Ships (T-AE) Mission: Ammunition Ship Dimensions: 564 feet 9,380 tons Propulsion: (3) Steam Boilers (1) Shaft Max Speed: 20 kts Capacity: (Cargo Hold) 60,000 cu.ft./6,000 tons of munitions Limited ships stores and fuel Seven ammunition ships are operated by the Military Sealift Command. Combat Stores Ships (T-AFS):  Combat Stores Ships (T-AFS) Mission: Combat Stores Dimensions: 581 feet 16,000 tons Propulsion: (3) Steam Boilers (1) Shaft Max Speed: 21 kts Six combat stores ships are operated by the Military Sealift Command. Fast Combat Support Ships (AOE):  Fast Combat Support Ships (AOE) Mission: Fast, CVBG Logs Dimensions: 754 feet 48,800 tons Propulsion: (4) Gas Turbines (2) Shafts Max Speed: 25 kts Capacity: Fuel Oil: 177,000 barrels Ammunition: 2,150 tons Dry Stores: 500 tons Refrig Stores: 250 tons Armament: (2) NATO Sea Sparrow (2) CIWS Phalanx Guns Slide10:  UNREP Procedures 3-4 days prior receiving ship submits a LOGREQ LOGREQ (Logistics Request) requests stores, fuel, parts LOGREQ reply name of delivery ship rendezvous location and time breakdown of supplies to be transferred expected R CORPEN/SPEED UNREP Procedures:  Day of replenishment Rendezvous at appointed place and time Control ship: takes tactical control of all ships to be replenished assigns stations and order of connected replenishment establishes and maintains R CORPEN/SPEED R CORPEN: sea conditions, wind direction, flight ops R SPEED: 12-16 kts. Approach Ship Positions in Lifeguard and Waiting stations. Determines approach speed and method. UNREP Procedures Slide12:  Lifeguard/Waiting Station CONTROL SHIP APPROACH SHIP WAITING STATION LIFEGUARD STATION 1000 YARDS In Waiting Station:  In Waiting Station Examine the wake of control ship Your wake should be parallel / keep about 5yd separation between wakes Match speeds with control ship Determine Lateral Separation Using Radian Rule 100-120 ft (30-40yds) for most combatants 150ft (50yds) for carriers / less maneuverable ships Approach using the Coast-in Method or Back Down Method 5 kts over R speed Slide14:  where: D = Distance in yards S = Lateral Separation in yards A = Angular Difference in degrees Selecting Approach Courses Radian Rule Approach speed = 5 kts over Romeo Corpen Slide15:  Commencing an UNREP/CONREP approach using the Coast-in Method 90 ft (30 yds) Lateral Separation At 900 yards, control ship's side bears 2 degrees off UNREP course D/60 = S/A or A = S(60)/D A = 30yds(60)/900yds A = 2 degrees Slide16:  At 300 yards, control ship's side bears 6 degrees off UNREP course 6 D/60 = S/A or A = S(60)/D A = 30yds(60)/300yds A = 6 degrees 90 ft (30 yds) Lateral Separation 100 YDS 200 YDS 300 YDS 400 YDS 500 YDS The approach ship will slow down to Romeo Speed when the approach ship’s bow crosses the stern of the control ship to coast into position. Maintaining Station:  Maintaining Station Conn from the engaged side Control the ship w/course to steer Steer w/ ½° increments (“decimal”) Alter speed in single RPM’s (“indicate”) Select a visual range on control ship (fwd/aft) Understand the Venturi effect Utilize proper communication procedures Venturi Effect/Hull Wash:  Venturi Effect/Hull Wash Pressure area Suction area Suction area Pressure area Phone and Distance Line:  Phone and Distance Line G R Y B W G Control Ship Approach Ship Night Day Double Blue Chemlights at 60, 100, 140, 180 yds UNREP Communications:  UNREP Communications ROMEO delivery ship: - at the dip preparing to receive you alongside - closed up ready to receive you receiving ship: - at the dip ready to come alongside - closed up commencing my approach both ships: - hauled down first messenger in hand Prep receiving ship: - at the dip expect to disengage in 15 minutes - closed up unrep complete disengaging at final station - hauled down all lines clear GOLF Ship acting as guide BRAVO Transferring Ammo or fuel Slide21:  Connected Replenishment Methods Cargo STREAM Method Highline Method Burton Method Housefall Method Fuel STREAM Method Astern Refueling Method Close-In Method Typical Connection Sequence:  Typical Connection Sequence Delivery ship fires a shot line w/messenger. Receiving ship hauls in messenger and P/D line. Receiving ship hauls in a highline/spanwire w/pelican hook. Delivery ship tensions the highline/spanwire. Latch or fueling assembly is hauled over. Assembly is seated and xfer commences. Load hauling/control is done by inhaul/outhaul lines. STREAM:  STREAM Standard Tensioned REplenishment Alongside Method uses a tensioned spanwire to support the cargo trolley or the fueling hose from the delivery ship to the receiving ship Cargo STREAM Components:  Cargo STREAM Components Delivery Ship Receiving Ship Trolley Padeye (Sliding or Fixed) Fuel STREAM Components:  Fuel STREAM Components Delivery Ship Receiving Ship Padeye Probe Receiver Fuel Line UNREP Breakaway:  UNREP Breakaway Close up Prep to indicate 15 min to disengage. Send back the rig, de-tension/trip spanwire. Receive report that all lines are clear and haul down Prep. Gradually change course and speed. Visually check that “all lines are clear” Increase speed moderately (3-5 knots) Direct course outboard in 2-4º increments Emergency Breakaway:  Emergency Breakaway An accelerated “Normal” breakaway Sound the danger signal (• • • • •) Oiler stops pumping. Oiler blowdowns refueling hoses De-tension rigs. Disconnect (trip) spanwire on signal from oiler. When all lines are clear, both ships may maneuver. UNREP Safety:  UNREP Safety Color coded helmets correspond to duties. All line handlers use gloves and “hand over hand” grip. Stay clear of all bights in lines. Battle Dress, helmets, lifejacket. Remove all Jewelry/Watches. Phone talkers do not latch headsets. Homework:  Homework Quiz on Tuesday Covers OpSec, Visual and External Comms, Watchstanding, Shiphandling, and UNREP Read NWP 6

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