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(Click for frequent words.) 62 sextants 61 sextant 60 seamanship navigation 55 seamanship 53 Piailug 53 ancient Polynesians 52 navigational 52 hydrographic surveying 52 naturalist guides 52 celestial observations 52 echo sounders 51 Mau Piailug 51 orbital mechanics 51 SCUBA diving 51 zodiacs 51 Satawal 51 voyaging canoes 51 navigators 51 model rocketry 50 trigonometry 50 chartplotters 50 oceanography meteorology 50 geodesy 50 compass bearings 50 astronomy 50 oceanography 50 tides currents 50 submersible craft 50 navigational aids 50 Hokulea 50 Polynesian voyagers 49 Polynesian voyaging 49 constellations planets 49 Alaska Inside Passage 49 watchkeeping 49 voyaging 49 ocean voyaging 49 ICESCAPE 49 navigational instruments 49 navigation aids 49 echo sounder 49 icebreakers satellites 49 Isabelle Autissier 49 ECDIS 48 algebra trigonometry 48 astrolabes 48 nautical 48 GIS remote sensing 48 cartography 48 Nathaniel Bowditch 48 Bruce Blankenfeld 48 constellations 48 windjammer 48 surfman 48 Hokule'a 47 upwind downwind 47 destroyers cruisers 47 bathymetric 47 double hulled canoes 47 flycasting 47 magnetic compasses 47 non Euclidean geometry 47 hydrographic surveys 47 observational astronomy 47 basketweaving 47 astrometry 47 extravehicular activities 47 sailing 47 steersmen 47 magnetic declination 47 marine biology 47 autopilots 47 celestial mechanics 47 polar expeditions 47 botany zoology 47 sonars 47 spectroscopic measurements 47 compass headings 47 bathymetry 47 radar altimetry 47 kayak paddling 47 geology archeology 47 swordfishing 47 navigational charts 46 chart plotter 46 planets constellations 46 compass 46 ancient mariners 46 sea farers 46 theodolite 46 Remotely Operated Vehicle 46 Maisu 46 magnetic compass 46 decoy carving 46 gyrocompass 46 dinghy sailing 46 EPIRBS 46 telerobotics 46 geology oceanography 46 geometry trigonometry 46 USS Ticonderoga 46 navigator Nainoa Thompson 46 gliders 46 keelboat sailing 46 multibeam sonar 46 laser altimetry 46 pilotage 46 Chilean Fjords 46 surfmen 46 spyglass 46 gradiometer 46 bushcraft 46 SCUBA dive 46 stellar seismology 46 dayboat 45 bathyscaphe 45 scatterometer 45 spyglasses 45 hydrographic 45 spey casting 45 astronomy geology 45 island biogeography 45 RIMPAC exercises 45 loran 45 mariners 45 Trembanis 45 NASBLA approved 45 Yachtmaster 45 AUVs 45 Seamanship 45 botany geology 45 boatswain mates 45 navigator 45 chanteys 45 antisubmarine warfare 45 lightships 45 balangay 45 JOIDES Resolution 45 aquanaut 45 Resolute Nunavut 45 aeromodelling 45 square rigger 45 sailmaking 45 topographical maps 45 master mariner 45 Circumnavigating 45 nautical charts 44 submarine periscope 44 planetary geology 44 gemology 44 Polar explorers 44 archeology anthropology 44 differential calculus 44 manned lunar missions 44 maps compasses 44 USS Ingraham 44 USVs 44 dories 44 uncharted seas 44 Hobie Cats 44 astrophysical phenomena 44 mariner 44 robot locomotion 44 windsurfing kayaking 44 Academician Fyodorov 44 ethnobotany 44 sundials 44 amphibious warfare 44 amphibious assaults 44 oceanographic 44 aeronauts 44 coral reef ecology 44 compasses 44 inertial guidance 44 USS Cavalla 44 geomorphology 44 depth sounders 44 snowkiting 44 balsa raft 44 aeronautical charts 44 extrasolar planetary systems 44 Desolation Sound 44 Crozet Islands 44 astronomical observations 44 Vedic maths 44 multivariable calculus 44 powered paragliders 44 SCUBA divers 44 algebraic concepts 44 ceremonies rifle marksmanship 44 laser rangefinders 44 scuba certification 44 X ray radiography 44 Nainoa Thompson 44 rocketry 43 voyaging canoe 43 astro photography 43 electromagnetics 43 Pythagorean theorem 43 PETERSBURG Fla. Unhittable 43 HMS Beagle 43 planetary atmospheres 43 telegraphy 43 dockside tours 43 navigational beacon 43 planets atmospheres 43 snorkelling scuba diving 43 quadratic formula 43 pararescue 43 geologies 43 dimensional atlas 43 HMC Ships 43 Deep Siren 43 Billie Seef 43 sailing dinghies 43 Earnest Shackleton 43 multibeam 43 windsurf 43 Dendrochronology 43 Einstein relativity 43 archery canoeing 43 jumpmaster 43 astronomy astrology 43 Transpac Race 43 sailplanes 43 marine chronometer 43 minehunting 43 submersible Alvin 43 Aerial photography 43 astrolabe 43 CSS Hunley 43 paddle kayak 43 OSTM Jason 2 43 trireme 43 IceCube telescope 43 spectrographic 43 Antarctic expeditions 43 gunnery 43 Magdahl 43 retaught 43 solo circumnavigations 43 comparative anatomy 43 Usui Reiki 43 Surigao Strait 43 VBSS 43 beach seining 43 trigonometric 43 navaids 43 algebra calculus 43 geophysical prospecting 43 scuba diving 43 navigation 43 Ivalee Sinclair met 43 skywatching 43 Inertial Navigation System 43 Nargeolet 43 Immersion Presents 43 GHMD 43 chronometers 43 astronomical phenomena 43 VHF DSC 43 Autosub# 43 ecliptic plane 43 telescopic observations 43 lunar landers 43 shag dancing 43 kite surf 43 scuba snorkeling 43 unpiloted aircraft 43 multifunction displays 43 Sunfish sailboats 43 navigator bombardier 43 merchant mariner 43 carrier HMS Ark 43 NanTroSEIZE 43 extragalactic 43 Transpacific Yacht Race 43 Norwegian explorer Fridtjof 43 scuba dive 43 gundalow 43 geology botany 43 lighthouses 43 woodsmanship 43 missile frigate USS 43 fiber optic gyroscopes 43 polar voyages 43 certified scuba divers 43 navigational beacons 43 famed naturalist 42 radio occultation 42 spectroscope 42 bosun mate 42 topo maps 42 instrument calibrations 42 archeology 42 roughest seas 42 intrepid explorers 42 SB2C 42 catboat 42 fieldcraft 42 anthropology archeology 42 Eratosthenes 42 magnetospheres 42 outrigger canoes 42 gyrocopters 42 mola mola 42 HMCS Whitehorse 42 USS Tortuga LSD 42 Mars landers 42 catboats 42 Cepheid variables 42 Hellcat fighter 42 hydrofoils 42 Lotring 42 hydrologic modeling 42 chimp ASL 42 windjammers 42 NASA Cosmic Background 42 artificer 42 physics astronomy 42 sea kayaking 42 aerobatic flying 42 USS Grunion 42 overland expedition 42 mathematic equations 42 jujutsu 42 Einstein theories 42 hydrography 42 hang glider pilots 42 Alingano Maisu 42 memorizing facts 42 Jiaolong 42 RNZN 42 pre algebra algebra 42 orienteering 42 LCVP 42 kayaking scuba diving 42 Venn diagrams 42 topo map 42 MCMAP 42 altimetry 42 Master Naturalist 42 celestial sphere 42 Hang gliding 42 astronomical observatories 42 caravel 42 wooden schooner 42 Lightship 42 Hawaii Undersea 42 mine countermeasure 42 Discover Scuba 42 fishfinders 42 CLEP tests 42 inertial navigation system 42 hyperbolic geometry 42 schooner Bowdoin 42 remote sensing 42 NASA THEMIS 42 flintknapping 42 dodging icebergs 42 Kon Tiki expedition 42 coxswains 42 amateur naturalists 42 PADI certification 42 manned submersible 42 Envisat ASAR 42 Keck telescope 42 kitesurf 42 prewriting 42 SPHERES 42 nautical charting 42 microlights 42 geometry algebra 42 algebra geometry trigonometry 42 manned submersibles 42 vaka 42 trekking mountain biking 42 topographical surveys 42 armillary sphere 42 kite buggying 42 destroyer escorts 42 underwater archeology 42 trigonometric functions 42 Dellenbaugh 42 Otto Lilienthal 42 Pythagoras theorem 42 geoid 42 choppiest waters 42 aeronautical engineers 42 paramotor 42 thermo dynamics 42 biology zoology 42 Contains segmentation 42 seaplanes 42 polarimetric 42 stargazer 42 Nihoa 41 Aryabhatta 41 whaleboats 41 Corporals Course 41 scuba dives 41 Keck Telescope 41 Coast Guard icebreaker Healy 41 microwave radiometers 41 canting 41 Astrolabe 41 VHF radio 41 Thomas Harriot 41 laser altimeter 41 kite boarding 41 Lego robotics 41 astrophotography 41 archeology geology 41 Chuckchi 41 antisubmarine 41 SmartPilot X Series 41 glider pilots 41 botany 41 SeaWiFS 41 Comet Halley 41 longitudes 41 outrigger canoeing 41 freedivers 41 checkride 41 craft 41 canoeing camping 41 sail 41 SCUBA 41 Project Oceanology 41 Helix Nebula 41 shallop 41 fish finders 41 gaff rigged 41 Area Navigation RNAV 41 torpedoman 41 Midn 41 radiotelephone 41 Lightships 41 Orca whales 41 Adak Alaska 41 certified scuba diver 41 crewless 41 USS Wahoo 41 geology hydrology 41 chartplotter 41 flatwater paddling 41 Polarimetry 41 Earth orbiting satellites 41 Spitzbergen 41 boathandling 41 supersonic jets 41 tall masted 41 outrigger paddling 41 SH #B helicopter 41 circumnavigations 41 terahertz sensing 41 HMAS Yarra 41 submillimetre 41 Lagrangian 41 gyro stabilized 41 Polar Regions 41 midget submarines 41 avocational 41 Matthew Fontaine Maury 41 WAAS approaches 41 Waquoit Bay 41 mineralogical mapping 41 VHF radios 41 supersonic aircraft 41 bombardiers 41 plate tectonics 41 Mirabaud LX 41 asanas poses 41 HMAS Warramunga 41 mnemonics 41 submarine periscopes 41 unravel mysteries 41 doublehanded 41 metocean 41 Global Positioning Satellites 41 fishfinder 41 prehistoric archeology 41 Landing VTOL 41 Remotely Operated Vehicles ROVs 41 Crêpes Whaou 41 icefield 41 Kevin Kochersberger 41 Spanish galleons 41 tinsmithing 41 SpaceX Dragon 41 Norden bombsight 41 Gipsy Moth 41 geology paleontology 41 electro optical sensors 41 Record SNSM 41 Sineva missiles 41 Corwith Cramer 41 periscope depth 41 BlueChart 41 NASA EPOXI mission 41 nautical archeology 41 adaptive optics AO 41 canoe Hokule'a 41 Wilderness First Responder 41 aboard ESA Envisat 41 French Frigate Shoals 41 admiral Zheng 41 view Sensor SeaWiFS 41 HMNZS Te Kaha 41 STOL 41 sail upwind 41 MERIS 41 naval aviators 41 numerical modeling 41 Spectators gazed 41 Basilosaurus 41 USCG Auxiliary 41 seafaring 41 Required Navigation Performance RNP 41 HMCS Montreal 41 author Kenn Kaufman 41 Galilean satellites 41 earn merit badges 41 botany ecology 41 radiometric dating 41 inertial navigation 41 ESA ERS 41 seaplane tender 41 Remote sensing 41 swimming snorkeling 41 geostationary orbits 41 astrophysical objects 41 Appledore IV 41 missiles torpedoes 41 mountain biking trekking 41 P3 Orion 41 scuba instructors 41 Brigham Grette 41 morse code 41 PocketCAS 41 RRS Discovery 41 mapmaking 41 echosounder 41 Fishfinder 41 kayaking windsurfing 41 Boating Skills 41 geodynamic 41 RIMPAC exercise 41 Navy frogmen 40 astral projection 40 COMPTUEX 40 microworld 40 voyaging canoe Hokule'a 40 Kiara Arteaga 40 stunt kites 40 Algebra Geometry 40 spaceborne 40 spherical geometry 40 Wild Weasels 40 Kayaking 40 spacefaring 40 microbial ecosystems 40 Ultraviolet Optical Telescope 40 aerobatic pilots 40 kayaking snorkelling 40 canoe paddler 40 periscopes 40 thruster firings 40 Spey casting 40 arithmetic geometry 40 satellite altimetry 40 ham radio 40 amphibious landings 40 dismounted soldier 40 napkin folding 40 kinesthetic learning 40 meteorology 40 simulated Martian 40 maritime 40 penetrating radar 40 sonar 40 underwater archeologists 40 predator prey relationships 40 robotic rovers 40 Fridtjof Nansen 40 biology botany 40 aquatic ecology 40 sidescan sonar 40 dinghy sailor 40 Lefty Kreh 40 topsail 40 unmanned robotic 40 planetary alignments 40 biogeographic 40 Roger Bousfield 40 fly rodders 40 hydrographic survey 40 voyages 40 kayaking snorkeling 40 Hubble Space 40 Axio Observer 40 Keplerian 40 drifting buoys 40 bonefishing 40 canoeing hiking 40 USS Shoup 40 relativity theory 40 rudiments 40 Quinnipiack 40 Yachting Universe 40 interplanetary spacecraft 40 Raghee 40 Civil War ironclad 40 alien civilizations 40 Rear Adm. Kazuki Yamashita 40 shipwrights 40 Remotely operated 40 SkyCenter 40 expeditioners 40 transpersonal psychology 40 moons circling 40 landforms 40 Exploring Expedition 40 mathmatics 40 Newtonian mechanics 40 Okeanos Explorer 40 penetrating radars 40 Misty Fjords 40 Tailhook convention 40 tarpon fishing 40 Underwater Demolition Teams 40 drown proofing 40 lunar orbits 40 Sea Kayaking 40 Timorous Deep 40 infrared astronomy 40 aboard HMS Beagle 40 sea chanteys 40 La Maddalena archipelago 40 Truk Lagoon 40 audiovisual presentations 40 Artic Ocean 40 quadratic equations 40 museology 40 Seawolf class 40 Nippon Maru 40 glaciology 40 binoculars telescopes 40 motorboating 40 orbital rendezvous 40 nebulas 40 tidal pools 40 coronal loops 40 transatlantic crossings 40 paleoecology 40 littoral combat 40 NAVOCEANO 40 climbing abseiling 40 occultations 40 Kiteboarders 40 USS Flier 40 lighthouse beacon 40 cutter Healy 40 seaman apprentice 40 Kolodziejzyk 40 retroreflector 40 geography civics 40 aerial gunner 40 situ measurements 40 Circumnavigation 40 ancient Egyptian hieroglyphs 40 flyby Cassini 40 scrimshaw 40 dimensional visualization 40 sailing catamarans 40 geology 40 lunar rovers 40 sailmaker 40 polarimetry 40 tidepool 40 Metcalf Lindenburger 40 autonomous unmanned aerial 40 shipwrecks 40 multihull sailing 40 Lt. Comdr 40 bow thrusters 40 frigate HMCS Toronto 40 wingsail 40 LSTs 40 vocabulary grammar 40 Ferdinand Magellan 40 explorers 40 sidescan 40 telemetry instrumentation 40 PADI diving 40 asteroid deflection 40 lunar orbiters 40 overland trek 40 juggling clowning 40 Louis Bleriot 40 AMSR E 40 cutter Munro 40 Discover Scuba Diving 40 skillful maneuvering 40 Port la Forêt 40 outer planets 40 planetary exploration 40 comets meteors 40 GPS waypoints 40 classical antiquity 40 kayak tours 40 orbit GEO 40 Avalonia 40 Antikythera mechanism 40 orca pod 40 Phased array 40 HMS Warrior 40 goldsmithing 40 extrasolar worlds 40 Block IIF 40 sized planets orbiting 40 littoral waters 40 riflery 40 bipedal locomotion 39 billfishing 39 expeditions 39 photograpy 39 celestial bodies 39 unrefueled 39 horsepower outboard engines 39 closed circuit rebreathers 39 orbital inclination 39 mountain biking kayaking 39 Nimrod expedition 39 heli hiking 39 Per Enge 39 Homing pigeons 39 particle acceleration 39 heavily instrumented 39 photometry 39 Manta rays 39 lightship 39 landlubbers 39 topographical map 39 Newtonian physics 39 Dalcanton 39 able bodied seaman 39 Voyager spacecraft 39 Delta Cephei 39 Dockside tours 39 Barque Eagle 39 Incas Aztecs 39 Thor Heyerdahl 39 inch Alvan 39 artillerymen 39 sunrise sunset 39 microeconomics macroeconomics 39 dimming starlight 39 radar interferometry 39 temperature barometric pressure 39 meter Keck telescope 39 sunstone 39 Confederate submarine 39 recon missions 39 GPS WAAS 39 airmanship 39 microwave remote sensing 39 fractions decimals 39 Bindschadler 39 satellite altimeters 39 wooden schooners 39 Moriches Inlet 39 boatsmen 39 destroyer escort 39 inflatable planetarium 39 whale beachings 39 Ultralight aircraft 39 Min Flicka 39 HMS Superb 39 motorized gliders 39 mathematics 39 TCAS II 39 Hubble orbits 39 Duyfken 39 Hipparchus 39 Norwegian polar explorer 39 calculus physics 39 RV Hispaniola 39 Athabaskan 39 thermographers 39 kinesthetically 39 mathematical concepts 39 submarine volcanoes 39 ufology 39 USCGC Healy 39 submarine warfare 39 glassblowing 39 decoy carvers 39 maritime historian Baillod 39 Offshore Sailing 39 bike dogsled skateboard 39 Ma'ruf Amin prominent 39 interferometers 39 Scuba diving 39 USS Leyte 39 laser rangefinder 39 passive sonar 39 meter Keck telescopes 39 inhabitable planets 39 sailboards 39 boyhood aspiration 39 Keck Telescopes 39 precision timekeeping 39 analytic geometry 39 dusky dolphins 39 kayaking 39 Alaskan glacier 39 Spitsbergen Norway 39 mountain biking canoeing 39 Kitty Hawk Kites 39 Kure Atoll 39 scurvy scrimshaw 39 sailer 39 powerboaters 39 Privateer Lynx 39 sailboats canoes 39 Samuel Eliot Morison 39 AC #H 39 squares triangles 39 geosynchronous Earth 39 vehicles AUVs 39 altimeter barometer 39 sidewheel 39 kayaking trekking 39 meteorological hydrological 39 moonless nights 39 windshifts 39 Sundiver 39 teleoperated 39 bosun 39 Job shadowing 39 boatswain 39 McMurdo Base 39 sailing sloop 39 Jonathan Gornall 39 snorkeling kayaking 39 sensory acuity 39 crustal thickness 39 hypersonic flight 39 novice paddlers 39 terra forming 39 azimuthal 39 kitesurfing 39 Chief Boatswain Mate 39 Fresnel lens 39 UUVs 39 MBARI 39 Sailrocket 39 destroyer squadron 39 Doppler shift 39 climatology meteorology 39 document unexplored whitewater 39 infrared telescopes 39 extravehicular 39 sailmakers 39 TAMMAC 39 fox trot waltz 39 Vineyard Haven harbor 39 ornithology 39 inflatable dingy 39 protractor 39 astronomer Ptolemy 39 Yaquina Bay Lighthouse 39 beginners intermediates 39 boatswain mate 39 Shackleton expedition 39 COBE satellite 39 Rimpac 39 oceanographers 39 yachts powerboats 39 USS Stethem 39 Navigational 39 ordinary differential equations 39 boatbuilding 39 RAINEX 39 woodwork metalwork 39 masteries 39 Global Positioning System 39 REMUS 39 hiking canoeing kayaking 39 dry stone walling 39 dense Nallamalla forest 39 Squalus 39 NVG compatible 39 biology 39 levers pulleys 39 tug escorts 39 Laysan Island 39 Bellingshausen Sea 39 meteorology oceanography 39 Mystic Seaport Museum 39 Array ALMA 39 Benthic Rover 39 SAREX 39 sailing dinghy 39 Aqua Firma 39 anthropology sociology 39 Oceanic Discoverer 39 Soanya 39 seafaring vessels 39 phonemic awareness phonics 39 catamaran sailing 39 generative grammar 39 duration spaceflights 39 fly tyer 39 cantilevered whirlpools suspended 39 berthing spaces 39 watchkeepers 39 gyroscopes accelerometers 39 inch refracting telescope 39 missile cruiser Varyag 39 preflight inspection 39 astrological charts 39 ilm al 39 Bell UH 1H 39 penguins seals 39 Rives Potts 39 mathematical theorems 39 stratospheric balloon 39 algebraic geometry 39 TransPac 39 Earthlike planets 39 Chuuk Lagoon 39 Roz Savage 39 LFA sonar 39 Kuiper Belt Objects 39 temperature salinity 39 oceanographic vessel 39 flint knapper 39 zap boulders 39 compassing 39 Helldiver 39 Avenger torpedo bombers 39 Seaforth Sportfishing 39 Herbig Haro 39 voyage 39 paleoclimatology 39 intertidal 39 Storis 39 Wyntje 39 Vedic mathematics 39 galaxies nebulae 39 sailplane 39 Autonomous Underwater Vehicles 39 altimeters 39 dowsers 39 tallest lighthouse 39 wetland ecology 39 geology geophysics 39 Scuba dive 39 MidSTAR 39 Foton M3 39 logarithms 39 sailboats kayaks 39 Ueshiba 39 heliophysics 39 Naval aviators 39 astrobiological 38 canoeing archery 38 rigid inflatable 38 radial velocity technique 38 uncrewed 38 phonetic alphabet 38 astronomy buffs 38 Great Orion Nebula 38 Kavandi 38 Constitution Old Ironsides 38 psychometry 38 Marc Kuchner 38 combinatorics 38 flint knapping 38 paraglide 38 WMAP satellite 38 geomagnetism 38 shipboard 38 Alain Thébault 38 Bartholomew Gosnold 38 science 38 remote sensing geographic 38 landlubber 38 ill fated expedition 38 preliterate 38 called gravitational microlensing 38 Kaminski Morrow 38 fi shing 38 creatures inhabiting 38 Dennis Mammana 38 MSDF vessels 38 Venus transits