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(Click for frequent words.) 68 IHO 56 Liancourt Rocks 53 seafloor topography 52 Maritime Organization 52 Maritime Organisation 51 ReCAAP 51 Hydrographic 50 MARPOL 50 ClassNK 50 Maritime Organisation IMO 50 hydrographic 49 hydrographic surveys 49 navigational charts 49 Dokdo islets 49 Unclos 49 Takeshima islets 49 Dongsha Islands 48 nautical charts 48 Lloyd Register Fairplay 48 MARPOL Annex VI 48 EEZs 48 economic zones EEZs 48 maritime 48 Diaoyutai islands 48 Senkakus 47 DG Shipping 47 MSC HOA 47 spokeswoman Sophie Hazelhurst 47 Sea UNCLOS 47 WCPFC 47 USNS Impeccable 47 Okinotori Island 47 Nansha islands 47 KDX III 47 disputed islets 47 Hydrography 47 safety Hiroaki Sakashita 46 hydrographic survey 46 CCAMLR 46 Pulau Batu Puteh 46 UK Hydrographic Office 46 Ulleung Island 46 ECDIS 46 Efthimios Mitropoulos 46 Ulleung 46 Rimpac 46 NAVOCEANO 46 Okinotorishima 46 MISC Berhad 46 adjacent islets 46 EEDI 45 Sovfrakht 45 Marpol 45 Economic Exclusion Zone 45 territorial waters 45 Diaoyutai Islands 45 bathymetry 45 SecureWest International 45 Exclusive Economic Zones 45 Bourbon Offshore 45 UNCLOS 45 Germanischer Lloyd 45 Efthimios Mitropoulos secretary 45 STCW 45 Hoang Sa archipelago 45 UKMTO 45 Aegis destroyer 45 Watchkeeping 45 Hydrographic Office 45 bathymetric 45 ISPS code 45 Xisha Islands 45 Tokto 45 Ulleungdo 45 hydrography 45 Esbern Snare 45 Falmouth coastguards 44 Alam Pintar 44 Hydrographic Service 44 Bimco 44 Automatic Identification System 44 AIS transponder 44 OSPAR 44 Nansha Islands 44 Huangyan Island 44 EEZ 44 Muller Karger 44 Qiongzhou Straits 44 Tiaoyutai 44 CMID 44 STCW Convention 44 Administration MARAD 44 HELCOM 44 Okinotori 44 ship Kang Nam 44 Truong Sa archipelagos 44 UKHO 43 Interferry 43 Montreux Convention 43 Cospas Sarsat 43 Dokdo Islets 43 Rear Adm. Kazuki Yamashita 43 Annex VI 43 Norwegian polar explorer 43 Dokdo 43 MV Izumi 43 V.Ships 43 maritime boundary 43 Inuit goddess 43 Pulau Pisang 43 research vessel Polarstern 43 Dokdo Takeshima 43 Tiaoyutai Islands 43 disputed isles 43 Jamaran destroyer 43 CGPCS 43 GMDSS 43 Vessel Monitoring System 43 VHF DSC 43 Navy corvette Cheonan 43 Navy RMN 43 Shipowners Association 43 Vessel Tracking 43 Nordlake 43 Efthimios E. Mitropoulos 43 Okeanos Explorer 43 Oleg Burtsev 43 WSSRC 43 bathyscaph 43 Sailing Federation 43 INTERTANKO 43 multibeam 43 RFMO 43 mariners 43 Ogasawara Islands 42 ISPS Code 42 M.Star 42 littoral states 42 Classification Societies 42 Horsburgh Lighthouse 42 OSV BOLD 42 Maritime Coastguard Agency 42 ECPINS ® 42 pelagic longline 42 Tiaoyutais 42 VHF FM 42 Dajmar 42 archipelagic baseline 42 Kunashir Island 42 International Seabed Authority 42 disputed Kuril Islands 42 IATTC 42 Polembros 42 INS Brahmaputra 42 Kalundborg yacht club 42 Nobiskrug 42 Atlas Elektronik 42 expert Mikhail Voitenko 42 NAVTEX 42 marquee regatta 42 Bernard Celier 42 Solitary Islands 42 Ballast Water 42 Kunashiri 42 MAIB 42 Somalian waters 42 Batu Puteh 42 Captain Pottengal Mukundan 42 Hoang Sa Paracel 42 shipowner 42 Trembanis 42 VisionMaster FT 42 Kattegat 42 Masorin 41 Veripos 41 Dokdo islands 41 Diaoyutais 41 roiling shark infested 41 rocky islets 41 carrier HMS Ark 41 Diaoyu Islands 41 Lehmann Timber 41 Echebastar Fleet 41 Limit Line 41 seabeds 41 Diaoyus 41 King Sejong 41 continental shelf 41 Anglian Monarch 41 Grand Pavois 41 Basel Convention 41 Ullung Island 41 southern Kuril islands 41 Habomai islet group 41 disputed Senkaku islands 41 MV Genius 41 Salish Sea 41 SECAs 41 echosounder 41 Xisha 41 Antarctic Treaty Consultative 41 Seabed Authority 41 MEPC 41 Kalayaan Island 41 InterManager 41 Hoang Sa 41 boundary delimitation 41 vessels transiting 41 Jacques Mazars 41 WIN FAR 41 Dover Coastguard 41 Pulau Batu Putih 41 Preventing Collisions 41 Salhus Shipping 41 easternmost islets 41 Capt. Pottengal Mukundan 41 Sail Bunaken 41 Neil Cramond 41 Inland Waterways Authority 41 Bow Asir 41 Jiaolong 41 Mannert L. Abele 41 HMS Dauntless 41 Arctic Coring Expedition 41 Polarstern 41 Col. Setareh 41 Coastguard Agency MCA 41 Somalia EU NAVFOR 41 echo sounder 41 combat IUU fishing 41 Commission IOTC 41 Hatton Rockall 41 MSDF vessels 41 IBIA 40 Nanhai No.1 40 Navfor 40 Takeshima 40 Aegis radar 40 Kalayaan Islands 40 LRIT 40 NAVFOR 40 KD Tun Razak 40 tidelands 40 IWAI 40 Senkaku Islands 40 CQD 40 Eiji Yoshikawa 40 Nansei 40 Antarctic Treaty System 40 ISPS compliant 40 Atago 40 AE2 40 Oceanology 40 POPRC 40 SAS Isandlwana 40 INS Beas 40 Norwegian Barents Secretariat 40 Oriental Bluebird 40 Transport Federation ITF 40 Tanon Strait 40 Yachi 40 Rear Adm. Iskandar Sitompul 40 Enforcement BOEMRE 40 MSDF destroyer 40 IMDG Code 40 Fareastern Shipping Co. 40 Kim Jae chul 40 Fred Caygill 40 Jonathan Greenert 40 IMDEX Asia 40 disputed Spratlys 40 USS Lagarto 40 spokesman Kang Byung 40 Oscar Elton Sette 40 General Efthimios Mitropoulos 40 CDIP 40 Yemeni coastguard 40 marker buoys 40 Antarctic Territory 40 Chuckchi 40 director Pottengal Mukundan 40 Tatar Strait 40 Songjin 40 IOTA 40 compulsory pilotage 40 Code ISPS 40 Tokto islets 40 Baeknyeong Island 40 navigational hazards 40 NEAFC 40 Pedra Branca 40 IOR ARC 40 Vessel Traffic Service 40 missile destroyer Shenzhen 40 Sasae Kenichiro 40 MTSA 40 Amami Islands 40 Shirase 40 Naval Symposium IONS 40 icebreaker Polar Sea 40 Kachchatheevu 40 NWHI 40 Marine Protected 40 EU Navfor 40 echo sounders 40 IUU 40 CSNOx 40 MV Mimosa 40 vulnerable marine ecosystems 40 IACS 40 LFA sonar 40 spokesman Yosuke Oi 40 MV OLIB G 40 Seitoku Maru 40 spokesman Igor Dygalo 40 Swire Navigation 40 #,# ton Samidare 39 archipelagic baselines 39 Ishigaki Island 39 ITLOS 39 Paracels 39 Sihwa Lake 39 Lt. Todd Vorenkamp 39 BIMCO 39 Transas 39 Berthing 39 Area Contingency Plan 39 Navibulgar 39 want ot freind 39 Office NAVOCEANO 39 Man Gyong Bong 39 Ulstein Verft 39 Daeseung 39 Lerwick harbor 39 IAPH 39 oceanographic 39 Yuzhno Kurilsk 39 MARPOL Annex 39 seafloor mapping 39 Socotra island 39 Skagerrak 39 Boundary Waters Treaty 39 Tokdo 39 archipelagic waters 39 midget submarine 39 Yachting Association 39 Caspian littoral states 39 IFREMER 39 Sovfracht 39 Raytheon Anschütz 39 indisputable sovereignty 39 Ponant 39 Princess Easwary 39 Arvand Rud 39 Aland Islands 39 archipelagos 39 Atlanto Scandian herring 39 Giovanni da Verrazano 39 SLNS Sayura 39 radio telegraphy 39 Antarctic Treaty 39 Kerguelen 39 HMS Severn 39 MSDF destroyers 39 IMBL 39 KVH Industries Nasdaq KVHI 39 research institute Ifremer 39 Liberian flagged merchant 39 Svalbard archipelago 39 maritime delimitation 39 LE Aoife 39 RV Polarstern 39 spokeswoman Tatyana Kulikova 39 frigate Cheonan 39 Lee Hu rak 39 Hong Kong Shipowners Association 39 oceangoing vessel 39 Sailing Instructions 39 HMAS Brisbane 39 ictQatar 39 Shikotan Island 39 AIS transponders 39 Khark 39 Posidonia 39 dwt tanker 39 Informa PLC 39 Arab waterway 39 KD Tunku Abdul Rahman 39 Melaka Straits 39 shipowners 39 USS Wahoo 39 Pere Charles 39 Lifesaving Museum 39 Costa Crociere 39 bathyscaphe 39 Basking Shark 39 Jan De Nul 39 sonar exercises 39 Transpacific Yacht Club 39 Lotring 39 VSAT solutions OceanVSAT 39 Centre MRCC 39 Iran Deyanat 39 hydrographic surveying 39 hydroacoustic 39 Shikotan 39 semi submersible vessel 38 prime meridian 38 MV Doulos 38 GeoStreamer 38 destroyer Atago 38 MSDF 38 Rear Admiral Habibollah Sayyari 38 Gerard Valin 38 Pedro Martinez Arbizu 38 Sureesh Mehta 38 Hudong Zhonghua 38 Whale Sanctuary 38 Vessel Monitoring 38 Swire Shipping 38 Nansei Islands 38 Sri Sakti 38 SEA Directive 38 Kruzenshtern 38 Aden Arabian Sea 38 Aegis BMD Weapon 38 Jan Mayen 38 EMGS 38 USS Nautilus 38 Piran Bay 38 Naval Vessel 38 shipwreck hunter 38 whale sanctuary 38 Admiral Roughead 38 Khalijia 38 HMAS Melville 38 Westward Venture 38 littoral waters 38 Arrrrrrgh Bligh growls 38 Katchathivu 38 Seabed 38 Blackbeard pirate 38 Cox Bazar Teknaf 38 Diaoyu Island 38 Spratly islands 38 Novaya Zemlya 38 Coast Guard JCG 38 Kunashiri Island 38 Tan Phuc 38 SNSM 38 DIMDEX 38 zone EEZ 38 ship Kota Wajar 38 Antalina 38 Nares Strait 38 Mirabella V 38 DNV Det Norske Veritas 38 brown seaweed laver 38 Arvand Roud 38 Intertanko 38 NORDREG 38 Furuno 38 vehemently denies downing 38 Wärtsilä Ship Design 38 RIMPAC exercises 38 Iturup 38 Kurile Islands 38 Paracel archipelagos 38 GBRMPA 38 Lightstation 38 EUNAVFOR 38 PNS Zulfiquar 38 INMARSAT 38 Senkaku islands 38 Silla Kingdom 38 ECPINS 38 marine chronometer 38 Dugua 38 Vessel Traffic Management 38 Malacca straits 38 Strategy Framework Directive 38 FarSounder 38 MOB Guardian 38 frigate HMCS Charlottetown 38 Sailing Competition 38 WaveCall 38 spokesman Masahiro Ichijo 38 Mikhail Voitenko editor 38 Yasa Neslihan 38 Operation Atalanta 38 Amaltal Atlantis 38 YCCS 38 Somali pirate skiffs 38 islets 38 MV Nordlake 38 Constitution Old Ironsides 38 Tanjung Piai 38 Tsushima Strait 38 underwater archeology 38 Paracel Islands 38 Quasi Zenith Satellite 38 Ship Escort 38 Roseway Basin 38 maritime prepositioning 38 Maritime Administration MARAD 38 SNG Alinghi 38 antiship 38 Scarborough Shoal 38 midwater trawl 38 admiralty 38 uninhabited islets 38 Maritime Rescue Coordination 38 chartplotter 38 Zhenghe 38 Kongsberg Maritime 38 Nautile 38 Estuarine Research 37 Vessel Traffic 37 Domain Awareness 37 robotic submersibles 37 manned submersible 37 Bulk Liquids 37 Perevoznaya Bay 37 MV Sinin 37 Nivose 37 Habomai 37 marine surveyor 37 NOAA 37 superyacht builders 37 Gardline 37 MultiMediaCard Association 37 ICOLD 37 China Uichiro Niwa 37 attorney Kent Safriet 37 Hanse Yachts 37 Admiral Habibollah Sayyari 37 Chukchi Cap 37 Riau Islands province 37 Kevin Cosgriff 37 Fishing Vessel 37 Fridtjof Nansen 37 Cheonghae Unit 37 Westerschelde 37 Dynamic Positioning 37 EU NAVFOR 37 INCCA 37 Kurile chain 37 Inmarsat FleetBroadband 37 India NUSI 37 Alloceans Shipping 37 Greenpeace Rainbow Warrior 37 navigational aids 37 SPOT HUG 37 Customs Organisation WCO 37 Thisara Samarasinghe 37 USS Cowpens 37 HMS Sceptre 37 lightship 37 Sinar Kudus 37 ocean basins 37 Station Yaquina Bay 37 Gwaii Haanas 37 volcanic islets 37 Fednav 37 EGTT 37 MARPOL Convention 37 Geonav 37 JAMSTEC 37 MV Hera 37 handline fishing 37 naval wargames 37 Sulu Sulawesi 37 Vanguard Sailboats 37 warship 37 Fleet F# 37 Somali territorial waters 37 Kim Yong ho 37 Extended Continental Shelf 37 Kuril chain 37 Class# 37 Propeller Club 37 Norwegian Polar 37 PortVision 37 Arvand river 37 Capsized boat 37 Habomai islets 37 master mariner 37 Hydrographer 37 MV Voc Daisy 37 INS Shakti 37 charterparty 37 nautical miles #km [002] 37 Torre Giulia 37 geoid 37 secluded bays 37 Ships MARPOL 37 HMAS Warramunga 37 St Lawrence Seaway 37 Crozet Islands 37 USNS Victorious 37 Damariscove Island 37 ship Gotheborg 37 Geosounder 37 Wadden Sea 37 seabed 37 Navy Military Sealift 37 Vladimir Kuroyedov 37 FB# [001] 37 AUVs 37 manned submersibles 37 Chagos archipelago 37 Zhan Qixiong 37 RNZN 37 Captain Mukundan 37 Rauma shipyard 37 IrDA 37 Remote Sensing ASPRS 37 Abdulqadir Muse Yusuf 37 Ro Ro cargo 37 seafarers 37 patrolling pirate infested 37 HMS Endurance 37 Navigation Maritime Bulgare 37 ECOTERRA 37 Adm. Chester Nimitz 37 UBT Ocean 37 Jacob Verhoef 37 civilian mariners 37 Mongla seaport 37 rigid hulled inflatable 37 Station Manasquan Inlet 37 disputed Spratly Islands 37 GE Satcom 37 IHS Fairplay 37 preambular paragraph 37 transportable ultra 37 COSPAS SARSAT 37 Territory BIOT 37 AEPOC 37 navigable waters 37 Alat settlement 37 China Yuzheng 37 navigational buoys 37 USS Anzio 37 Autonomous Underwater Vehicle AUV 37 Odyssey Explorer 37 owner Adam Buczynski 37 MSQ 37 lightships 37 WISTA 37 Oceanographers 36 Adm. Vladimir Vysotsky 36 uninhabited isles 36 Aegis Combat 36 Caspian littoral 36 nautical 36 Notified Bodies 36 Storm Trysail Club 36 #,# ton Sazanami 36 nearshore waters 36 MV Iceberg 36 HMS Ledbury 36 polar explorer Roald Amundsen 36 Greater Tunb Lesser Tunb 36 JOIDES Resolution 36 Frigia 36 minehunter 36 MV Rim 36 nautical charting 36 Etorofu 36 document A/C.#/#/L.# [002] 36 chief Admiral Sureesh 36 PIANC 36 Maizuru 36 FIMSA 36 Novoship 36 Falmouth Coastguard 36 Uigwe 36 System WAAS 36 Giles Noakes 36 HMCS Montreal 36 INS Betwa 36 MV Panega 36 ABYC 36 Sail Newport 36 oceanographic vessel 36 seaward boundary 36 Vice Admiral Wilfredo 36 Almathea 36 Technology IMarEST 36 frigate Karlsruhe 36 DNVPS 36 Neil Patchett 36 IntelliShip 36 Development Programme NMDP 36 Societe Nautique 36 Gitana Team 36 INS Tir 36 RCCL 36 sunken tugboat 36 NMFS 36 Multibeam 36 Kiteboarders 36 Truong Sa archipelago 36 Sailing Anarchy 36 Union Internationale Motonautique 36 Lankan fishermen 36 Ministerial Declaration 36 Ambalat block 36 Chosun Sinbo pro 36 Admiral Verma 36 Wallem Shipmanagement 36 sea farers 36 INS Kadamba 36 icebreaker Healy 36 Chetzemoka 36 Maritime 36 IOTC 36 Northrop Grumman Sperry 36 ACIA 36 Sonardyne 36 De Zeven Provincien 36 Kurils 36 subglacial lake 36 Telaurus Communications 36 Chagos Archipelago 36 J. Nolasco DaCunha 36 Hatteland Display 36 IODP 36 MV Lugela 36 yachtsmen 36 admiral Zheng 36 IRTC 36 Rukwanzi 36 royal warship Vasa 36 Security ISPS Code 36 Norwegian explorer Fridtjof 36 Tanjung Perak 36 MT Bunga Melati Dua 36 negotiator Akitaka Saiki 36 Economic Zone EEZ 36 MV Sinar Kudus 36 Simrad 36 USCGC Healy 36 Dispute Settlement Body 36 Logos Hope 36 Société Nautique de Genève 36 ORCi 36 Jin Sung chul 36 Artemis Transat 36 Shipping ICS 36 Yacht Club Italiano 36 HMS Mersey 36 Spanish tuna trawler 36 RFMOs 36 Persistent Organic Pollutants POPs 36 Truong Sa Spratly archipelagos 36 TCG Gaziantep 36 Baird beaked whales 36 ISAF Sailor 36 Nakheel Marinas 36 KDX II 36 Mojib Latif 36 Spratly island 36 Kii Peninsula 36 Dhow 36 USCG 36 Sable Gully 36 Kunashiri Etorofu Shikotan 36 coastguard 36 MOFAT 36 seagoing ships 36 BVT Surface Fleet 36 disputed Senkaku Islands 36 Alexey Maryshev 36 Lakshadweep Islands 36 Containerships 36 AP Møller Maersk 36 Arbitral Tribunal 36 OPT PowerBuoy 36 PLBs 36 Kota Wajar 36 unmanned submersibles 36 Maritime Boundary 36 Entertainment Forum MEF 36 polymetallic nodules 36 Condition Assessment 36 purse seine vessels 36 Naval Surface Forces 36 ships transiting 36 ISAN 36 Smit Internationale NV 36 IMB Piracy Reporting 36 Marmara Sea 36 Whangarei Harbour 36 Myung hwan 36 EPIRB Emergency 36 David Oten 36 millpond calm 36 WGIG 36 Fisheries STECF 36 Amagiri 36 KVH mini VSAT 36 Douglas McAneny 36 IVSC 36 Rose Atoll 36 SPTO 36 admiralty jurisdiction 36 Satawal 36 PNS Tariq 36 Kon Tiki raft 36 BS #-#:# 36 metocean 36 Federation Equestre Internationale FEI 36 Lysekil Sweden 36 LHWCA 36 Savills SORC 36 IMB piracy 36 spokeswoman Jetta Disco 36 lawless shores 36 Merchant Shipping 36 Ali Fadavi 36 Kanagawa prefectural police 36 Samho Dream 36 Bellingshausen Sea 36 Hatsuhisa Takashima 36 Chilingarov 36 Cygnus Ace 36 Ilinden sank rapidly 36 disputed Spratly islands 36 bluefin tuna fishery 36 ELAA 36 HMS Tyne 36 Nautor Swan 36 repel Somali pirate 36 Westwood Anette 36 Ship Collide 36 Prantalay 36 Rak Afrikana 35 Ambalat 35 IREG 35 Adm. Wu Shengli 35 post panamax 35 Eidesvik Offshore 35 Nobeltec 35 SAS Spioenkop 35 DIBS 35 Kerch Strait 35 Brixham coastguards 35 SWATH 35 Sandwich Islands 35 harbormasters 35 Fisheries Protection Agency 35 Vroon Offshore Services 35 Mwangi Thuita 35 Ulstein Design 35 meter Giant Oarfish 35 Antigua Barbuda flagged 35 Admiral Noman 35 Igor Semiletov 35 Seatec 35 Salvor 35 Spratleys 35 Region IOR 35 navigation aids 35 Shipowner 35 Algiers Accord 35 Stellwagen Bank National 35 Jaisu 35 midfrequency sonar 35 Mao Cai 35 DECR 35 MCST 35 Katchatheevu 35 Cu Lao Cham 35 Antarctic Whale Sanctuary 35 VTMIS 35 frigate KD 35 Yeonan 35 marine biodiversity 35 Smit Internationale 35 Stena Hollandica 35 Adonara 35 HISWA 35 USS Albacore 35 IGBP 35 Na Hui Wa'a 35 UIM 35 Arjangi 35 polar icebreakers 35 inland waterway transport 35 General Efthimios E. 35 seafaring heritage 35 HDMS Absalon 35 Pashiardis 35 Alboran 35 SBX radar 35 superyacht marina 35 World Radiocommunication Conference 35 IMarEST 35 Aleutian Basin 35 Hawaii Undersea 35 longline fleet 35 HMS Invincible 35 destroyer HMCS Athabaskan 35 Filitsa 35 Admiral Vladimir Kuroyedov 35 Superyachts 35 Ambassador Cui Tiankai 35 boatowners 35 coastal waters 35 Dardanelles Straits 35 Biketawa Declaration 35 MV FAINA 35 Pekoske 35 HMS Trincomalee 35 Mars Analog Svalbard 35 Ambalat waters 35 FACTBOX Ships 35 Santa Monica BayKeeper 35 Pescadores 35 Coast Guard USCG 35 seagoing vessel 35 Yacht Racing 35 archipelagic 35 Azov Kerch 35 Yang Hyun suk 35 Via Australis 35 Tsugaru Strait 35 Société Nautique 35 Maersk Line 35 IHH Turkish 35 LaserPerformance 35 Admiral Ushakov 35 Bathing Water 35 Anglian Sovereign 35 Joseon Kingdom 35 MAERSK 35 pilotage 35 MRCC Falmouth 35 Lomonosov ridge 35 coastguards 35 Travel Agents JATA 35 SSMO 35 Marine Mammals 35 shipwrecked vessel 35 HMS Turbulent 35 UN CEFACT 35 destroyers frigates 35 L' Astrolabe 35 RADARSAT 2 35 shortsea 35 Japanese Ambassador Kenzo 35 Admiral Vladimir Masorin 35 MV Prantalay 35 Southern Kuriles 35 SBSTTA 35 Civil War ironclad 35 Gazan fishermen 35 Phyllis Cormack 35 amphibious warships USS Kearsarge 35 HMCS Corner Brook 35 torpedo sank 35 sonars 35 Line IMBL 35 KD Lekiu 35 Lifeboat Station 35 Paliki 35 Chinese mitten crab 35 HMCS Haida 35 Privateer Lynx 35 Maltese flagged ship 35 antisubmarine 35 icebreaker fleet 35 Maui Kahului Harbor 35 SRPC 35 Prydz Bay 35 Katchatheevu island 35 HiLoad 35 Dhows 35 salvors 35 Emarat Maritime 35 Blackseafor 35 GSF Development Driller 35 KSINC 35 Club Nautico Espanol 35 Kalpeni 35 RINA 35 JARL 35 Echoscope ® 35 Bayview Mackinac Race 35 Yoon Kwang ung 35 cruiser USS Port 35 JEITA 35 MV Filitsa 35 Lesser Tunb 35 NPOL 35 NYK Hinode Line 35 passive sonar