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NAVAL ANTI-SUBMARINE COMBATANT CRAFT (NASCC)

NAVAL ANTI-SUBMARINE COMBATANT CRAFT (NASCC). Foreign Military Sales Patrol Boat. MIDN Natalie Albertson, USN MIDN Matthew Harmon, USN MIDN Alexander Laun, USN Class of 2011. MISSION STATEMENT.

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NAVAL ANTI-SUBMARINE COMBATANT CRAFT (NASCC)

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  1. NAVAL ANTI-SUBMARINE COMBATANT CRAFT (NASCC) Foreign Military Sales Patrol Boat MIDN Natalie Albertson, USN MIDN Matthew Harmon, USN MIDN Alexander Laun, USN Class of 2011

  2. MISSION STATEMENT The mission of the Naval Anti-Submarine Combatant Craft (NASCC) is to provide effective anti-submarine warfare (ASW) capabilities to foreign naval surface forces. Supported by a fast and highly-maneuverable hull-form designed for year-round operations, this torpedo boat will feature an advanced SONAR suite, offensive ASW technologies, and the capacity to support small-scale maritime interdiction operations. This vessel is designed for diverse, short-endurance missions in various high-traffic littoral and coastal regions around the world and specific foreign ports.

  3. MISSION PROFILE • Offensive ASW Operations • Defensive ASW Operations • Underwater Acoustics / SONAR Operations • Towing Operations • Small-Scale Maritime Interdiction Operations IRANIAN KILO-CLASS DIESEL-POWERED SUBMARINE [ 1 ]

  4. HULL-FORM DESIGN • Streamlined / Efficient • Shallow Draft • Reduced Wake / Spray at High Speeds • Sufficient Seakeeping Capabilities • Minimal RADAR Return • Common Construction • Aesthetic

  5. PARAMETRIC ANALYSIS [ 2 ] AUSTAL USSOCOM [ 3 ]

  6. PRINCIPAL CHARACTERISTICS

  7. OPERATING PROFILE 35 KNOTS (MAXIMUM SPEED) 1000 NM (ECONOMIC TRANSIT) THREE-DAY ENDURANCE (TYPICAL 36-HOUR OPERATIONS)

  8. EXAMPLE OPERATIONAL AREA (SOUTH CHINA SEA) MAXIMUM RANGE (1000 NM) PATROL SPRINT RANGE (200 NM)

  9. GENERAL ARRANGEMENTS (MAIN DECK) • Storage / Munitions • Galley / Mess Decks • Enlisted Berthing / Enlisted Head • Fuel Storage • Machinery Spaces / Main Propulsion

  10. GENERAL ARRANGEMENTS (MAIN DECK – ENGINE ROOM)

  11. GENERAL ARRANGEMENTS (MAIN DECK – FORWARD LIVING COMPARTMENTS)

  12. GENERAL ARRANGEMENTS (COMMAND LEVEL) • Modern Bridge / Command-and-Control Center • Dedicated SONAR Suite • Torpedo Launchers / Internal Torpedo Storage

  13. GENERAL ARRANGEMENTS (DECK LAYOUT) • Stealth Superstructure • Enclosed RADAR System • Advanced Communications Mast • Automated Deck Gun System (Gyro-Stabilized) • Retractable Towing Frame • Versatile Working Deck

  14. EHP CURVE

  15. PROPULSION PROFILE CODAG Propulsion Plant (Iterative Approach) • MTU S60 1DS Marine Diesel Engine (2) • 1,230 kW (Total Rated Power) • 328 L / h (Total Fuel Consumption Rate) • Continuous Operation (72 Hours) [ 4 ] • GE LM500 Marine Gas Turbine Engine (2) • 8,940 kW (Total Rated Power) • 2,974 L / h (Total Fuel Consumption Rate) • High Transit / Patrol Sprint (14 Hours) • “V-Drive” Configuration • Exhaust Vented Through Transom [ 5 ]

  16. PROPELLER SELECTION Controllable-Pitch Propeller (CPP) System [ 6 ] • Reduced Noise / Minimized Acoustic Signature • Minimized Reduction Gear Complexity • Greater Efficiency Through Desired Speed Range • Enhanced Fuel Savings • Expedited Reversing / Maneuvering

  17. INTACT STABILITY ANALYSIS GZMAXIMUM = 0.740 Meters at 35.5° AVS = 75.2° Predicted DF Angle ≈ 45°

  18. OTHER STABILITY CRITERIA VALID for Beam Winds Criteria VALID for Personnel Criteria High-Speed Turns Limited to Less Than 25 Knots

  19. COMBAT SYSTEMS MK-46 TORPEDO LAUNCHER [ 7 ] • Passive Towed-Array SONAR System (TASS) • Active / Passive Hull-Mounted SONAR System (Optional) • Automated Deck Gun System (Bridge-Controlled) • Dual Torpedo Launchers • Small-Arms Storage / Machine Gun Mounting Rails • Dedicated SONAR Suite / ASW Center • Mission-Planning / Command-and-Control Capabilities • Advanced C4ISR / Navigation Systems

  20. FUTURE CONSIDERATIONS • Improved Hull-Form Efficiency • Reduced Acoustic Signature • Reduced RADAR / Heat Signature • Propeller Optimization • Enhanced Manufacturing / Production Efficiency • Mission Expansion (Adaptability / Modularization) • Enhanced Combat Systems • Additional Refinement viaABS Standards

  21. QUESTIONS / COMMENTS ?

  22. ACKNOWLEDGEMENTS Professor Paul Miller Mr. Paul Cojeen CDR Patrick Hudson, USN Mr. John Zseleczky Mr. Charlie Weil Mr. Dean Schleicher Mr. Tom Price REFERENCES [ 1 ] http://www.defense.gov/dodcmsshare/newsphoto/1997-01/961223-N-0000O-002.jpg [ 2 ] http://www.austal.com/index.cfm?objectID=694676A7-A0CC-D996E385B313F922 [ 3 ] http://www.fas.org/man//dod-101/sys/ship/mark_v_soc.jpg [ 4 ] http://img.nauticexpo.com/images_ne/photo-g/boat-engine-in-board-diesel-engine- 600-900-hp-electronic-fuel-injection-turbocharged-228499.jpg [ 5 ] http://img.nauticexpo.com/images_ne/photo-g/gas-turbine-for-ships-192671.jpg [ 6 ] http://www.dt.navy.mil/pao/hi res images/Sept/lpd_porpeller.jpg [ 7 ] http://www.strategypage.com/gallery/images/MK-46-Torpedo-Launch.jpg

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