Why this matters: Every voyage has its own vocabulary. Learning a few key words makes your first trip calm and confident.

Índice

This short guide is a glossy, quick-reference glossary you can use on the move. It skips fluff and focuses on clear, handy definitions.

Even long-time travellers mix up labels. That’s normal — different lines use different names. We’ll help you spot the differences so you don’t feel lost.

The article is organised by practical sections: directions, cabins, dining, booking, ports, safety, cruise types and ship tech. Jump to the bit you need fast.

Read this first: if you learn five words today, start with port, starboard, aft, muster station and cruise card. These make life on board much simpler.

For Australians, watch for gratuities and fare inclusions. Service charges and what’s included can differ, so check details before you pay. 😊

Key Takeaways

  • Learning a few core words reduces stress and boosts confidence.
  • This is a quick, glossary-style guide for easy look-up.
  • Different lines use different names — mix-ups are common.
  • Article sections let you jump to directions, dining, safety and more.
  • Essential words: port, starboard, aft, muster station, cruise card.
  • Australians should note gratuities, service charges and fare inclusions.

Cruise ship lingo essentials for first-time cruisers

Different operators use different names — and that’s normal. Lines build tradition, keep safety clear and use branded terms (think Centrum versus Atrium).

Why cruise lines use their own terms onboard

Names help crews give quick directions and reinforce a brand feel. They also keep safety announcements short and consistent across the vessel.

Quick cheat-sheet for embarkation day and your cruise card

Simple checklist for boarding day:

  • Check-in online, note your boarding window.
  • Collect your cruise card at embarkation — it’s your ID on board.
  • Link a payment method or pre-pay so purchases post to your account.

What your cruise card does: it opens your room, lets you re-board at ports and charges drinks, dining upgrades and activities with a swipe.

Common mix-ups made easy

Words often mean the same thing. A cabin and a stateroom are identical in layout and purpose.

Oceanview = outside (a window or porthole). Balcony and veranda both mean a private outdoor space off your room.

Deck plans are your best friend — remember deck = floor. And a quick tip: always read the category notes (for example, “obstructed view”) rather than relying on the label alone. That will save you surprises on embarkation day. 😊

Ship directions and navigation terms you’ll actually use

Orientation quick tip: face the bow (the front) and then port is left, starboard is the right side. Use this to follow deck signs, lifts and crew directions without pausing to think.

Forward, aft, bow and stern

Forward means the front; aft is the rear. Announcements often say, “walk aft for the buffet” or “your cabin is forward on Deck 9.”

The bow is the very front; the stern is the very back. Once you know these, deck plans and directions make instant sense.

Midship and motion

Midship means the middle location of the vessel. It’s the calmest spot if you feel motion. Pick a midship cabin to reduce roll.

Speed, distance and wind

Speed is given in knots (1 knot ≈ 1.15 mph). Distance uses nautical miles (1,852 metres). Bearing is a compass direction in degrees.

  • Windward: faces the wind.
  • Leeward: sheltered from wind.

“Roll is side-to-side movement; wake is the trail of waves at the stern.”

TermMeaningWhen you’ll hear itPractical tip
PortLeft when facing forwardDirections, deck signsFace bow to orient quickly
StarboardRight side when facing forwardSafety, docking callsUse for cabin directions
Knot / Nautical mileSpeed and distance at seaCaptain updates1 knot ≈ 1.15 mph; 1 NM = 1,852 m
Roll / WakeSide movement / stern wavesWhen the ocean picks upMidship reduces roll; watch stern for wake

Onboard areas and what you’ll find there

Find the public hubs first and you’ll save time and stress onboard. These areas act like city blocks on a floating hotel, so learn a few to move around with confidence.

onboard areas

The central hub: Atrium / Centrum

The atrium (often called the Centrum) is the vessel’s hotel lobby. You’ll see reception, daily notices and meet-up points here.

Why it helps: it’s the easiest landmark for meeting friends, finding the desk for lost items, or checking activities for the day.

Lido deck and pool areas

The Lido deck is the open pool area with sunbeds and casual dining. Expect it to be busiest on sea days and during good weather.

Tip: book loungers early on popular days and check the casual menus near the pool.

Bridge, helm and funnel — what to spot

The bridge is where the captain and officers steer and navigate. The helm is the wheel; the funnel is the smokestack you see above the decks.

On a tour, the bridge is a highlight. Respect restricted access and enjoy the view from outside.

Galley, purser and guest services

The galley is the behind-the-scenes kitchen. Galley tours are popular because they show how thousands of meals are made.

The purser runs guest accounts and cash services. Guest services desks handle billing, cards and shore questions.

NeedWhere to goWhy
Lost itemAtrium / Guest servicesCentral lost & found, easy to check
Billing issuePurser / Guest servicesThey manage accounts and payments
Pool, sun or casual foodLido deckOpen-air dining, pools and loungers
Want a tour or view of navigationBridge (on organised tour)See helm, controls and operations
  • Quick map tip: find the atrium, Lido deck and guest services on your deck plan first.
  • If you need help, head to guest services — they sort most queries fast.

Cabins, beds and accommodation lingo

Picking the right cabin and bed means fewer surprises and better sleep. Think about light, air and how many people share the room.

Inside stateroom — no window. Budget-friendly and quiet. Oceanview cabin has a porthole or window for daylight. A balcony cabin gives private outdoor space for morning coffee.

French (Juliette) balcony and berths

A French or Juliette balcony is a door or large window that opens. It gives fresh air but not a sit-out ledge. Don’t expect chairs outside.

Berth can mean your bed inside the room. It also means where the vessel ties up in port. Context tells you which one.

Family set-ups, Pullman beds and suites

Pullman beds fold down from the wall to add sleeping space. Family cabins may use sofas, bunks or pull-downs so four people fit comfortably.

Owners Suite is a premium stateroom with extra space and perks — you don’t actually own it, but it behaves like a small apartment onboard.

TypeWho it suitsKey feature
Inside stateroomBudget travellersNo window, quieter
Oceanview cabinThose who want daylightWindow or porthole
Balcony cabinCouples and sun-loversPrivate outdoor space
Obstructed viewValue seekersPartial or full blockage (lifeboat, rail)

Booking tip: always check the cabin number and deck plan before you finalise. Location often matters more than the label.

Dining and drinks terms on cruise ships

Dinner options onboard can shape your whole holiday mood, so it helps to know the terms you’ll hear at mealtimes. This short guide explains the common systems and what’s usually included.

Main dining room, maître d’ and assigned seating

The main dining room is the formal evening venue. The maître d’ runs the floor, seats guests and manages service flow.

Assigned seating means a fixed table and often a set time each night. It’s great if you like a routine and the same dining companions.

Open seating and flexible systems

Open seating lets you book or walk in each night with no set table. Some lines call this flexible dining.

Freestyle systems removed strict times entirely, so you eat when it suits you. It works well if you plan late returns from shore.

Alternative restaurants and cover charges

Alternative or speciality restaurants offer premium menus. Expect a cover charge — a set fee per person for the extra experience.

Cover charges usually cover the meal, not drinks or tips. Check menus and prices before you book a table.

All‑inclusive vs drinks packages

“All‑inclusive” can mean different things. On some fares it covers speciality dining, drinks and gratuities. On others it only covers basics.

Drinks packages let you buy beverage access separately. Tip: always read the fine print so you know if specialty venues, tipping or premium drinks are included.

Menu words you’ll actually see

Canapés are small savoury bites served at cocktail events. Petit fours are tiny sweets or savoury nibbles often brought with coffee or dessert service.

“Plan dining around port days — book earlier if you must be back for a set seating.”

TermWhat it meansQuick tip
Main dining roomFormal nightly serviceAsk about assigned or open seating
Cover chargeExtra fee for speciality restaurantsCheck if drinks and tips are extra
Drinks packagePrepaid beverage accessCompare likely spend vs package cost
  • Australian tip: on port days, avoid late set seatings unless you’ve allowed time to return — ferries and transfers can run late.

Booking, pricing and promotions explained in plain English

Booking offers look simple, but the fine print usually decides what you actually pay.

Onboard credit (OBC) is virtual spending money loaded to your account. You can use it at the bar, spa, gift shop and for excursions. Heads up: OBC often excludes gratuities and some third‑party fees, so plan cash or card for tips.

Double occupancy vs solo travel: fares are usually quoted per person for two adults. Solo travellers may pay a single supplement to cover the extra cost of an unused berth.

Guaranteed (GTY) bookings mean you book a category, not a cabin number. You might get an upgrade — or an awkward location or obstructed view. It’s a gamble that sometimes saves money.

NDA’s are non-discountable amounts like taxes, port fees and fuel surcharges. Your total price = fare + taxes + NDAs. Promos usually discount the fare only.

Deals and rules: BOGOHO (Buy One Get One Half Off) typically applies to the fare of the second guest only. Anti‑rebating keeps advertised prices uniform across agents, so advertised savings may look the same everywhere.

Australian tip: gratuities or hotel service charges may be added daily or prepaid. Check your booking terms so you know if those services are already covered or still on your card at the end of travel.

glossary of industry terms

Ports, getting ashore and shore excursions

Getting ashore smoothly starts with a few simple words and a plan. Know the difference between your home port, gateway city and ports of call so flights and transfers match your itinerary.

Docking and getting on/off

Gangway is your walkway to shore. When the vessel is alongside it sits at the pier; to moor means lines hold it in place at a berth.

Tender ports made simple

At a tender port the vessel anchors offshore and uses small boats to ferry people. Expect queues and possible timed groups. Bring your card, ID and a small bag for quick disembarkation.

Shore excursions and timing

Shore excursions (shorex) can be booked pre-departure or onsite. Book early for popular tours — they sell out fast. Booking onboard is flexible but riskier.

Read your itinerary notes for “all aboard” times and port-day windows. Allow buffer time to return; ferries and transfers can run late. For more terms, see our ocean terms glossary.

“Plan to carry your card, passport and sunscreen for shore calls — small choices save time.”

Safety, health and ship operations you should know

Your first duty on board is to know where to go and how to stay safe. The opening safety drill is brief, clear and mandatory for all passengers. It’s not optional, even if you’ve sailed before.

Muster drill and finding your assembly point

At muster you’ll hear instructions, see a lifejacket demo and be shown your muster station. You must attend; it’s how crew confirm everyone knows the routine.

Find your muster station on your card, the app or deck signage. Bring your card, wear comfortable shoes and have a light layer for wind or spray. That keeps the process quick and calm.

Health basics: norovirus and hand hygiene

Norovirus is unpleasant but manageable. Frequent handwashing and using sanitiser reduce risk for you and others.

Quick tips:

  • Wash hands before eating and after bathroom use.
  • Use hand sanitiser at buffet entrances and high-traffic areas.
  • Stay in your cabin if you feel unwell and report symptoms immediately.

What Code Orange and Code Red mean

Some lines use informal terms to describe outbreak responses. Code Orange often means early measures — for example, items served by crew rather than self‑service. Code Red signals wider action: venue closures, extra cleaning and stricter limits on gatherings.

Dry-dock, refurbishment and why it matters

Dry-dock is when a vessel is taken out of the water for maintenance. Refurbishment can add new venues, updated decor or improved services.

Practical check: if you’re choosing sailings, check refurbishment dates. A recent refit usually means fresher public areas and cabins.

“Muster drills save lives. Take five minutes on day one to know your station.”

For a deeper look at onboard emergency codes, see this emergency codes guide.

Cruise types, itineraries and cruising styles

Pick a sailing style that matches what you want from holiday time — rest, discovery or value. Choose the format that fits your energy, budget and how much time you have.

Expedition and Zodiac-style exploring

Expedition voyages focus on wild places: Antarctica, the Galápagos or Svalbard. These trips use Zodiacs for close-up wildlife, shore landings, kayaking and guided hikes.

Best for: agile, curious travellers who want raw nature and active days.

Cruisetour and combined land-sea itineraries

A cruisetour links a sea voyage with an organised land extension. You might fly in for a coach tour, then board for the sailing leg. Logistics are bundled, so your transfers and hotels are handled.

Repositioning, short runs and adult-only options

Repositioning (repo) sailings move vessels between regions. They often cost less and have long sea days — great value for Australians avoiding extra flights.

Short “cruise to nowhere” or party-focused runs last 1–3 days and suit social groups. Adult-only sailings skip family activities for a quieter vibe.

Back-to-back, maiden sails and practical notes

Back-to-back bookings string voyages together. You keep your cabin, but plan for laundry and any visa or flight changes. Maiden or inaugural sailings celebrate a new vessel — exciting, but expect early tweaks.

“Match the style to your goals: rest, discovery, value or celebration.”

TypeTypical lengthWho it suitsKey tip
Expedition7–20+ daysActive nature loversBook early; expect Zodiac outings
Cruisetour7–14+ daysThose who want land + seaCheck included transfers and hotels
Repositioning10–30 daysValue seekers, long-sea fansOne-way routes can save flights
Short / adult-only1–5 daysParty groups or quiet adultsKnow the onboard vibe before booking

Ship size, service levels and onboard tech terms

Size affects everything from queues to quiet corners. Bigger vessels mean more venues, more people and more choices. Small vessels feel calmer; megaships feel busier but offer variety.

Megaship and passenger capacity

A megaship typically carries 4,000+ passengers. That number often grows when pull-down beds and sofa beds are counted.

Double occupancy is the common booking metric — two adults per cabin. Maximum capacity adds temporary berths, so the same vessel can show two different capacity figures.

Passenger‑crew ratio and what it tells you

The passenger-crew ratio hints at service style. Industry average is about 2.5 passengers per crew member.

Lower ratios (fewer passengers per crew) usually mean more personalised service. Luxury lines aim for low ratios; big mainstream vessels sit closer to the average.

Passenger‑space ratio and GRT explained

Passenger-space ratio = GRT divided by passenger number. It’s a quick way to judge roominess.

Remember: GRT measures enclosed volume, not weight. Higher GRT per person feels more spacious onboard and in public areas.

GPS, Mbps and staying connected at sea

GPS is satellite navigation — it keeps the vessel on track and helps timetables. Mbps measures internet speed.

Below ~3–5 Mbps you’ll notice slow browsing or poor video calls. Speeds vary with location, weather and how many people use the network. Set expectations before you board. 😊

“Use capacity, ratios and GRT together — they reveal whether a sailing will feel roomy or crowded.”

MetricWhat it measuresTypical numberWhy it matters
MegashipPassenger capacity threshold4,000+ passengersMore venues and choice; busier public areas
Capacity (double vs max)Booked vs possible passengersDouble occupancy / Maximum occupancyExplains different advertised numbers
Passenger‑crew ratioStaffing level~2.5 pax per crew (avg)Lower ratio = more personalised service
Passenger‑space (GRT/pax)Enclosed volume per personVaries by vesselHigher = more roominess in public areas
Internet (Mbps)Connection speed3–30+ Mbps (varies)Determines browsing, messaging, video quality

Conclusion

A few quick terms will turn confusion into calm when you step onboard. ,

Use‑it‑today words: port / starboard, aft / forward, muster station, cruise card and tender. Keep these in mind and you’ll save time and feel more confident moving around the room and public areas.

Save or bookmark this cruise lingo guide for embarkation day and when you read a deck plan or daily programme. Before you go, skim cabins, dining and ports — it helps with real decisions fast.

Your next voyage will feel smoother. Which term confused you most? Tell us — we’ll clear it up. 😊

FAQ

What does "cruise ship lingo" actually mean for first-time travellers?

It’s the common terms crew and passengers use onboard — words about cabins, dining, decks, ports and safety. Learning a few basics helps you find your way, understand bills and enjoy activities without confusion. Think of it as your onboard survival kit. 🙂

Why do cruise lines use their own terms onboard?

Lines create consistent vocabulary to run operations smoothly and keep passengers safe. Terms speed up communication between crew and help you follow procedures — from embarkation to muster drills. Once you know the words, the voyage feels easier and more familiar.

What should I know for embarkation day and using my cruise card?

Your cruise card is your ID, cabin key and onboard charge card. Keep it handy for boarding, paying for extras and entering the cabin. On embarkation day expect security checks, luggage tags, a health screening and the first photo ID scan. Arrive early if you want to avoid queues.

Is there a difference between "cabin" and "stateroom", or "oceanview" and "outside"?

Cabin and stateroom mean the same thing — your sleeping space. Oceanview and outside both mean a room with a window. Balcony and veranda are similar, though veranda sometimes suggests more outdoor space. Always check exact dimensions before booking.

What do "port" and "starboard" mean?

Port is the left side of the vessel facing forward; starboard is the right. Crew use these when giving directions or pointing out views from your balcony or deck.

What’s the difference between "forward" and "aft"?

Forward means toward the bow (front), aft means toward the stern (rear). If your cabin is midship, it sits between these points.

Bow vs stern — which is which?

The bow is the ship’s front. The stern is the back. Views, noise and motion can change depending on which end you’re near.

Why does midship matter when choosing a cabin?

Midship cabins usually feel more stable with less motion, and they’re close to many public areas. If you’re prone to seasickness, midship on a lower deck is often best.

What are a knot, a nautical mile and a bearing?

A knot is one nautical mile per hour. A nautical mile is about 1.852 kilometres. Bearing is the compass direction to a point. Crew use these for navigation and itinerary timing.

What do leeward, windward, roll and wake mean for passengers?

Windward faces the wind; leeward is the sheltered side. Roll is the side-to-side motion; wake is the turbulent water behind the vessel. These affect comfort and where you stand on deck for calmer conditions.

What’s the atrium or centrum on a ship?

The atrium or Centrum is the central public hub, like a hotel lobby. You’ll find shops, bars and guest services nearby — a great meeting point.

What is the Lido deck and why visit it?

The Lido deck usually hosts pools, casual eateries and sun loungers. It’s the social, relaxed outdoor area for sun, poolside snacks and daytime activities.

What’s the bridge, helm and funnel?

The bridge is where the officers navigate. The helm is the wheel and controls. The funnel vents engine exhaust. Passengers rarely access the bridge, but some lines offer bridge tours on select voyages.

What are the galley and purser’s office for?

The galley is the ship’s kitchen where chefs prepare meals. The purser’s office handles money matters, cabin issues and guest services — go there for billing questions or lost items.

What’s the difference between an inside stateroom, oceanview cabin and balcony cabin?

Inside staterooms have no windows. Oceanview cabins have a porthole or window. Balcony cabins include private outdoor space for fresh air and views. Price and experience vary accordingly.

What is a French balcony or Juliette balcony?

A French or Juliette balcony is a shallow, floor-to-ceiling glass door with a railing. You get a view and fresh air but no walk-out outdoor space like a full balcony.

What does "berth" mean onboard?

Berth most often means a bed in your cabin. It can also mean a place where the vessel docks, but onboard usage usually refers to sleeping arrangements.

What is a Pullman bed and how do family cabins work?

A Pullman bed folds down from the wall to create extra sleeping space. Family cabins combine beds, bunks or sofa-beds to accommodate more people comfortably.

What defines an Owners Suite and other suite categories?

Owners Suites are large, premium accommodations with separate living areas, larger balconies and extra perks like priority boarding or butler service. Other suites vary by size and included amenities.

What is an obstructed view stateroom — partial vs full?

Partial obstructed view means part of your window is blocked by lifeboats or structure. Full obstructed view means little to no outside vista. These rooms are cheaper but offer less scenery.

What’s the main dining room and who is the maître d’?

The main dining room is the large, included restaurant for evening meals. The maître d’ manages seating, guest relations and dining schedules.

How do assigned seating and open seating differ?

Assigned seating gives you a set table and dining time. Open seating (freestyle/flexible dining) lets you choose when and where to eat during service hours.

What are speciality restaurants and cover charges?

Speciality restaurants are extra-cost venues with unique menus. Cover charges or à la carte fees may apply, so check the price beforehand or use onboard credit if provided.

What’s the difference between "all-inclusive" and drinks packages?

All-inclusive covers many onboard costs, often including drinks, gratuities and some excursions. Drinks packages specifically cover beverages. Always read the fine print — exclusions and limits vary by line.

What are canapés and petit fours on cruise menus?

Canapés are small savoury bites served before meals or at events. Petit fours are tiny, decorative sweets served with coffee or dessert courses.

What is Onboard Credit (OBC) and how can you use it?

OBC is prepaid credit applied to your onboard account. Use it for speciality meals, excursions, spa treatments or photos. It’s a handy way to offset extras without handling cash.

What does double occupancy vs solo occupancy mean?

Double occupancy prices assume two people share a cabin. Solo occupancy fees or single supplements apply if you travel alone. Some lines offer single cabins or reduced surcharges.

What is a Guaranteed Stateroom (GTY)?

A GTY booking guarantees you a cabin in a chosen category but not the exact location. You might get an upgrade at embarkation — it’s a budget-friendly option with some uncertainty.

What are NDA’s (non-discountable amounts)?

NDAs are parts of the fare that can’t be discounted, like port taxes, government fees or certain onboard services. They appear separately on your invoice.

What do BOGOHO deals mean?

BOGOHO stands for “buy one, get one half off” or similar promotional structures like two-for-one fares. It’s a common sales tactic during peak promo periods.

How do gratuities and hotel service charges work for Australians?

Most lines add daily gratuities to your onboard account for crew service. You can pre-pay or adjust onboard. Tipping expectations vary, so check your cruise line’s policy before sailing.

What is anti-rebating and why do advertised prices look similar across agencies?

Anti-rebating rules limit travel agents from offering discounts beyond set commissions. That’s why many public fares look similar, though agents may offer extras like OBC or onboard perks.

What’s the difference between ports of call, home port and gateway cities?

Ports of call are stops on the itinerary. The home port is where the voyage begins and ends. Gateway cities are nearby airports or cities where you transfer before embarkation.

What do gangway, alongside, moor and berth mean at port?

Gangway is the boarding ramp. Alongside and moor mean the vessel is tied up beside a pier. Berth refers to the specific spot where the ship docks.

What happens at tender ports and how does tendering work?

Tender ports don’t have docking space, so smaller boats ferry passengers ashore. Expect queueing and scheduled tender times; bring your cruise card and follow crew instructions.

Should I book shore excursions early or wait until onboard?

Booking early secures popular tours and may save money. Onboard booking is convenient but popular shorex can sell out — especially in small ports or for limited-capacity activities.

What does "ashore vs onboard timing" mean — sea day, port day and itinerary basics?

Sea days are days at sea with onboard activities. Port days include time ashore at scheduled ports of call. Itineraries list arrival and departure times for planning excursions and meals.

What is a muster drill and where is my muster station?

A muster drill is the mandatory safety briefing showing emergency procedures and lifejacket use. Your muster station is the assembly point listed on your cabin card — attend promptly to comply with regulations.

What are norovirus and "code orange/code red" alerts?

Norovirus is a contagious stomach bug. “Code orange” or “code red” are internal alerts crew use for incidents like medical emergencies or contamination. Follow crew guidance and hygiene protocols to stay safe.

What does dry-dock or refurbishment mean for my voyage?

Dry-dock is scheduled maintenance where a vessel is out of service for repairs or upgrades. Refurbishment means cabins and public areas were recently updated. Both affect ship availability and onboard experience.

What is an expedition cruise and what is a Zodiac?

Expedition cruises focus on remote, wildlife-rich places with expert guides and small-boat (Zodiac) landings. They offer active, educational experiences rather than large-ship resort-style cruising.

What’s a cruisetour?

A cruisetour combines a sea voyage with land-based touring before or after your sailing. It’s common for Alaska, Europe and Australia/New Zealand itineraries that blend ports and inland highlights.

What is a repositioning (repo) cruise and why choose one?

Repositioning sailings move a vessel between regions (for example, Alaska to the Caribbean). They often offer excellent value, unique itineraries and more sea days for slower-paced travel.

What are "cruise to nowhere" sailings?

These short voyages leave port, stay at sea and return without calling other ports. They’re popular for a quick getaway, on-board entertainment and dining without overseas travel requirements.

What does adult-only mean and are there family-free ships?

Adult-only sailings or ships restrict passengers by age, offering quieter venues and adult-focused activities. Family-friendly ships provide kids’ clubs, family cabins and child-centred programming.

What are back-to-back cruises and longer voyages?

Back-to-back bookings chain two sailings together so you stay aboard between itineraries, often with cabin continuity and fewer embarkation hassles. Longer voyages cover extended distances and multiple regions.

What’s a maiden voyage vs an inaugural cruise?

Maiden voyage is the ship’s first commercial sailing after delivery. Inaugural cruise often refers to a ship’s first season or special celebratory sailings with events and fanfare.

What defines a megaship and how does passenger capacity matter?

Megaships carry thousands of passengers and offer many venues and entertainment options. Passenger capacity affects crowding, wait times and the variety of services available onboard.

How important is passenger-crew ratio for service?

A lower passenger-crew ratio usually means more personalised service. Luxury lines often have higher crew numbers per guest, whereas mass-market vessels operate with fewer crew per passenger.

What is passenger-space ratio and gross registered ton (GRT)?

Passenger-space ratio divides ship size by passenger count to indicate roominess. GRT measures internal volume — both help compare comfort and onboard space across vessels.

How do GPS and Mbps relate to staying connected at sea?

GPS supports navigation and apps; Mbps measures internet speed. Satellite connections vary by company and cost — expect slower speeds and data limits compared with land-based networks.

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