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Fireboat3 > Nautical Terms > Flashcards

Nautical Terms Flashcards

1
Q

What is a vessels “sheer” ?

A

Think of double ended sailboat, bow and stern are angled upwards. Essentially gives the boat more buoyancy.

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2
Q

Bulwark vs gunwale? Explain

A

Bulwark is the “wall” that comes up off of deck

Gunwale is the top part of the bulwark

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3
Q

What does the term “flare” mean in regards to the structure of a ship?

A

Flare is the outward angle of both sides of the hull from centerline. Think of it as a “V” that flaring outward part keeps the deck drier. Also think of the battleship Iowa, looking at it from the bow, look at the waterline, and both sides “flare” out as the hull leads up to the decks

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4
Q

What is the term used for the area where the stem meets the keel on a vessel?

A

Forefoot

Bonus : the leading area of the stem is known as what? CUTWATER

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5
Q

Deadrise on a vessel can be explained how?

A

Deadrise is the angle of rise from the bottom of the boat to a horizontal line. Think of a deep V vs a flat bottom. The difference between the two is the Deadrise

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6
Q

Where are the 2 most common area where you will find stuffing boxes?

A

At the rudder where the rudderpost enters the hull

Also where the propeller shaft enters the hull. Except your boats are different.

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7
Q

The deck of a cockpit or the interior cabin floor is called what?

A

Sole

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8
Q

Portholes are openings in the hull to let in air and light. Explain the difference between port light and deadlight in reference to portholes.

A

A port light is openable

Deadlight is a porthole that cannot be opened

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9
Q

LOA vs LWL - what are they?

A

LOA - Length Over All excludes bowsprits or davits, its only the hull

LWL - Loaded Waterline Length -

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10
Q

Explain the difference between wharf and pier

A

Wharf is Parallel to shore

Piers are perpendicular

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11
Q

Term used for Tide coming in is what? Term used for tide going out is what?

A

Coming in - Flood tide

Going out - Ebb tide

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12
Q

What is a “Spring Tide” and what are some considerations for this time?

A

Spring tides are during full or new moons and its when you have the biggest difference between high and low tides

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13
Q

Explain to be what a “neap tide” is? What’s its significance?

A

A neap tide occurs at the first and third quarters of of the moons and is the time when there is the least amount of difference between high and low tides

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14
Q

What’s the difference between current and drift?

A

Current is best described as the horizontal movement of water

Drift refers more to the velocity of the current

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15
Q

Explain what latitude and longitude lines are? What are they also referred to as?

A

Latitude lines start at the equator and up and down towards the poles. Also referred to as Parallels

Longitude lines also known as meridians are the lines that run north to south with Greenwich being the prime meridian

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16
Q

The distance described on the earths surface by one minute of latitude is known as what?

A

Nautical mile - what does it equal?

6,076 ft OR 1,852 m

Mile = 5280

17
Q

how much longer is a nautical mile compared to a statute mile?

A

1/7 longer

18
Q

What is the term used for the difference between true north and magnetic north?

19
Q

What is deviation in a compass?

A

Deviation is the error in reading a bearing from the compass caused by the magnetic influence of some nearby object, such as a metal post or an engine.

20
Q

Flotsam vs jetsam, tell me the difference

A

Flotsam is debris in the water that was not deliberately thrown overboard, often as a result from a shipwreck or accident.

Jetsam is debris that was deliberately thrown overboard by a crew of a ship in distress, most often to lighten the ship’s load

21
Q

A nautical mile is 1 minute of latitude, approximately 2000 yards or how many statue miles?

A

1.15 statue miles

Bonus : statue mile is 5,280 feet OR about .87 nautical miles

22
Q

Please define and give examples of MAYDAY, PAN-PAN, SECURITE.

A

Mayday : most urgent response. Only used when vessel or person in grave danger

Pan-pan : urgent info POB, or small leak on vessel, boat is drifting into shore etc.

SECURITE : used of navigation safety , weather information

23
Q

in searching for the the light list for our area, what volume is our area in? What district?

A

Vol VI

District 11

24
Q

In Volume VI district 11 bridge markings : what color lights can you expect to see for night time navigating?

A

Red, Green and White

25
In Volume VI district 11 bridge markings : what lights will you see marking the centerline of navigable channels for a fixed bridge? What if there are more than 1 channel, what lights will you see?
Green lights mark the navigable channel. If more than 1 navigable channel, the preferred channel will be ID’d by having 3 white lights in vertical line above the green light
26
In Volume VI district 11 bridge markings : red lights mark what?
Both piers and other parts of the bridge Also placed on drawbridges to indicate they are in closed position
27
In Volume VI district 11 bridge markings : what lights can you expect to see on a closed drawbridge and an open draw bridge?
Red lights mean closed Green mean open
28
According to chapmans, for purposes of navigation rules, a boat is considered as being no more than ____feet (or meters)
65 feet / 20 meters
29
Rule 34 - maneuvering/warning signals Explain the international rule for sound signals, when do you use them? I am altering my course to starboard I wam altering my course to port Operating in astern propulsion Warning
International rules are used in sight, meeting and crossings No return signal is required * = short blasts (1 second) * altering my course to starboard ** “ “ to port *** astern ***** warning
30
Rule 34 - maneuvering/warning signals Explain the inland rule for sound signals, when do you use them? I am altering my course to starboard I wam altering my course to port Operating in astern propulsion Warning
Inland rules are used when vessels are in sight within 1/2 mile of meeting or crossing Also the signals SHALL be answered with same signal * = short blast ( 1 second ) * intend to leave you on my port ** intend to leave you on my starboard *** astern propulsion ****** warning
31
Rule 34 - maneuvering/warning signals - international rules Narrow channel overtaking sound signals, what are they? Overtaking in narrow channel requires a response. What the sound signals for responding?
=== (long blast) * (short blast) === === * intend to overtake you on your starboard side === === * * intend to overtake you on your port side Narrow channel - overtaking response === * === * YES * * * * * NO
32
Rule 34 - maneuvering/warning signals - inland rules
33
Rule 13 - overtaking vessel A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than ______degrees abaft her beam.
22.5 degrees
34
All Around identification lights - describe the following RED over WHITE GREEN over WHITE WHITE over RED RED over RED 3 REDS in a ROW RED over GREEN 3 GREENS on YARD
R over W - Fishing at night G over W - Trawling at night W over R - Pilot ahead Red over R - engine is dead (NUC) R W R - restricted ahead (RAM) R R R - constrained by draft (CBD) - international only R over G - Sailing machine G G G - goes bang real Hard (RAM - mine clearance)
35
Tug and tow lights - describe stern light configurations for towing, inland vs international Yellow over white Yellow over yellow 1 white stern light
Yellow over white - short tow Yellow over yellow - inland hip or push tow 1 white stern light - international hip or push tow
36
Tug and towing lights - describe for international and inland configurations What stern lights can you expect to see and what are they identifying
Yellow over white - short tow Yellow over yellow - inland hip/push tow. 1 white stern light - international hip/push tow

Fireboat3 (23 decks)

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