Www.boatswainsmate.net BM3 STUDY GUIDE By SN Jamison Burkett

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BM3 STUDY GUIDEBy SN Jamison Burkett


What form is used when ordering new publications?

CG-4428


How do you request an allowance change for a

publication

• CG-5323


Where would the form for unit authorization changes be found?

• It is available on CG Standard Workstation II, in Forms Plus, and CG Standard Workstation III, in Jet Form Filler.


What is the DPRI?

Directives, Publications, and Reports Index


What is the SDL

Standard Distribution List


What kind of information can be obtained from the SDL?

Current unit address, phone number, and OPFAC for the entire coast guard

Units Distribution SymbolInstruction for correspondence and handling


What are the second and third chapters of the DPRI

Chapter 2 – Directives and Publications listed numerically

Chapter 3 – Directives and Publications listed alphabetically


Where can you find the latest revision to a publication

•DDPRI Chapter 3


Where can you find your units distribution symbol block for a

publication?

On the bottom of the cover page of the publication


What info will be addressed in the distribution blocks?

Unit authorization and allowance


How do you locate your units distribution symbol?

Look at table of contents page 1 of SDL


In what publication would you find a listing of charts and

publications required for your cutter?

•CCOMDTINST M3140.5


If the directive you are requesting is classified where do you send a

letter requesting it?

Sponsoring office at CGHQ


What are the three basic changes to publications?

Pen and InkCut and PastePage for Page


How can changes and ammendments to publications

come?

•CCD-RomVia a link to an internet site

Official messageChange directive or notice


What is a SSIC?

Standard Subject Identification CodeExample : 16114.5B


What do these mean: CI, CIM, CP, CN, U, F, C, S, T?

•CCI – COMDNTINSTCIM – COMDNTINST MANUALCP – COMDNT PUBLICATION

CN – COMDNT NOTEU – UNCLASSIFIED

F – FOR OFFICIAL USE ONLYC – CLASSIFIED

S – SECRETT – TOP SECRET


What is a keel?

The keel is the backbone of a vessel running from bow to stern along the center line of the

hull.


What are the two most common types of keels on metal boats?

Bar KeelFlat Plate Keel


What are the three basic types of hulls?

DisplacementSemi-displacement

Planing


What type of hull is the 47MLB?

Deep V Planing


What does amidships mean?

It means the center or middle area of a vessel; the point where the center line and beam line

meet.


What does athwartships mean?

A direction that runs from side to side.Example; Athwartships passageway orAthwartships bulkhead


What is a vessels tendency to return to the upright position

know as?

Stability


What are the two types of stability?

TransverseLongitudinal


What are the two primary forces that determine stability?

WeightBuoyancy


What are the two forces that affect stability?

StaticDynamic


What temp must an anti-exposure suit be worn?

When the water is below 60 and above 50.


What type of pfd is a anti-exposure suit?

Type V


When must a dry suit be worn?

When the water temp is below 50 and the air temp is below 50.


What are the three main factors that determine how long a person

can survive in cold water?

Temp of waterPhysical condition of PIW

Actions taken by PIW


What degree of arc does each light shine: Port, Stbd, Mast,

Stern?

Port and Stbd – 112.5Mast 225Stern 135


How high does the MK 80 pencil flare go?

250-650’


What color is the night end of a MK 124?

Red


How long does it take to acquire night vision?

30 min.


Who reviews unit logs after they are completed?

QMOW-OOD-OPS/NAV-CO


Who can make corrections to a log after the CO signs it?

Nobody


What are the different readiness conditions?

V – In port or at anchor IV – Normal peacetime steaming

III – GQ, 1 in 3 manningII - GQ, port/stbd manningI – GQ, all hands manning


How many hours before getting underway is the typical navigational briefing?

24 hrs


Where can you find the requirements of cutters before

getting underway?

Coast Guard Navigational Standards Manual


What does right/left standard rudder mean?

Turn the rudder 20 degrees


What does ease your rudder mean?

Decrease rudder angle by half


What type of cloud is also known as the mackerel sky?

Cirrocumulus


What type of cloud is low flying around 1000’ and uniform?

Stratus


At what depth do hydro static releases release?

5-15’


How often are Hydro Static releases to be inspected?

Annually


How often are stokes litters required to be washed down if

stored on weather decks?

Weekly


How often are stokes litters to be inspected?

QuarterlyOr after each use


Explain a NIMA stock number for a chart?

Example 14BHA1426314-Geographic sub-region

B-portfolioHA-type of chart

14263-chart number


How many colors are on a chart?

•66


What is a chart that covers a large area called?

Small-scale chart


Who publishes notice to mariners?

NIMA


In the notice to mariners corrections, if the letter P is used

what does it indicate?

The correction is a preliminary correction


When can amplitude observations be made?

When the sun’s lower limb is 2/3 of its diameter above the horizon.


How many satellites are required to generate a fix with GPS?

•44


What does FTC mean on radar?

Rain Clutter


What are chain slings made of and what do they have on them?

Heat treated alloy and they have an A stamped on the links.


What is the master link made out of?

Grade 8 alloy steel


What do different lays of wire rope look like?

Refer to page 5-3 in BM3 course book


What is the minimum safety factor for wire rope on board a

ship?

•55


What part of a lifting rig is designed to be the weakest link?

The hook


What color are the next last shot of chain and last shot of chain

painted?

Second to last – yellowLast - red


Name the parts of a Danforth and Navy standard stockless anchor?

Danforth: shackle, eye, shank, crown, fluke, stock.

Stockless: shackle, shank, crown, shoulder, fluke, bill.


What is another name for azimuth?

A celestial bearing


What is the horizontal movement of the water caused by

gravitational interaction between the sun, moon, and earth called?

Tidal Currents


What is nautical twilight; civil twilight?

Nautical twilight is when the suns upper limb is 12 degrees below the visible horizon

Civil twilight is 6 degrees below the visible horizon


What is the only letter not used for time zones?

•JJ


What color do you mark safe water on your chart?

Blue


What are safe water buoy marks colored?

Red and white


What do the following abbreviations mean: CLR, SCT,

BKN, OVC, R, RW?

CLR – CLEARSCT – SCATTERED

BKN – BROKENOVC – OVERCAST

R – RAINRW – RAIN SHOWERS


What is the optimum temperature for a spray painting system?

70


What are the characteristics of the bosn chair?

27” long12” wide2” thick

Two cleats ½” thick x 4” wide x 12” longBe clear of varnish or linseed oil


What are the two methods of rigging the bosn chair?

Luff tackleSingle whip purchase


What type of hitch is used to secure the bosn chair?

Girth hitch


What are the characteristics of the stage?

6-8’ long2” thick12” wide

Two short wooden horns approx. 16” longBe clear of varnish or linseed oil


What are the two methods of rigging the stage?

Eye spliceStage hitch


What does the single whip purchase allow with a bosn

chair?

It allows the chair to be controlled by a work party


What mechanical advantage does luff tackle have?

3 to 1


What shot of chain is marked wwww-r-wwww?

4th


What is the master link made out of?

Grade 8 alloy steel


What does the number pennants look like?

Reference chapter 6 of BM3 course book


What does at the dip mean?

Flag hoisted halfway up the yardarm.


What does the code or answer pennant look like?



What the flags alpha, bravo, delta, hotel and oscar mean?

A - I have a diver down, keep well clear atslow speedB - I am taking in, or discharging, or carryingdangerous goodsD - Keep clear of me, I am maneuvering withDifficultyH - I have a pilot on boardO - Man overboard


How many signal flags are there?

40


What does the SOPA flag look like?



What pennant is raised five minutes prior to colors?

Prep pennant


What are the different calls on the bosn pipe?

Attention aka passing the wordMess – the longest of all calls lasting 60 secs

SweepersPassing the side – the aristocrat of all calls


What are the hand positions on the bosn pipe and what kind of

note do they produce?

Open – soft clear note, lowest pitchedCurved – higher pitched note

Closed – High Clear NoteClinched – Shrill and Clear Note


What are the nomenclature of the bosn pipe?

Mouth, reed, flange, bowl, pea, windedge, ring, lanyard.

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Www.boatswainsmate.net BM3 STUDY GUIDE By SN Jamison Burkett