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ESWS 106 Common Core
Terms in this set (96)
Romeo at the dip:
I am preparing to go alongside
Romeo closed up:
I am making my approach
Romeo hauled down:
When messenger is in hand
Prep at the dip:
15 minutes standby for the completion of replenishment
Prep closed up:
disengaging final station(s)
Prep hauled down:
All lines are clear
Bravo at the dip:
cease refueling temperately (after being closed up)
Bravo closed up:
Bravo hauled down:
refueling is completed
Advance is the total distance traveled in the original direction when making a turn. Transfer the total distance gained towards the new direction when making a turn.
A point on the centerline about which the ship turns when the rudder is put over, Usually about 1/3 the ship's length from the bow.
The time and the rate at which a ship increases and decreases speed.
The path followed by the ship's pivot point when making a 360-degree turn. The diameter of the turning circle varies with rudder angle and speed.
The bearing to true North from 000 to 359 degrees in reference to the true North Pole as indicated by the Gyro Compass.
From 000 to 359 degrees in reference to the ship's head. The bearing is always the same, so that contacts can be reported relative to our position. The bow is always 000, the STBD beam is 090, Astern is 180, the port beam is 270
Dead in the Water
When two vessels are approaching each other dead ahead 000 degrees relative, both vessels will alter their course to STBD and pass each other to port (called port to port passage).
When two vessels are on courses that will eventually intersect. A vessel that view's another vessel's STBD (green light) side is identified as a Stand on vessel. The vessel that view's another vessel's port (red light) side is identified as the Give way vessel. Give way vessel must alter course and/or speed to avoid the Stand on vessel.
When on vessel must "Pass" another from the rear it is known as overtaking.
The vessel identified, as the Stand on vessel is only required to maintain present course and speed.
The vessel identified, as the Give way vessel must change course and speed to avoid the Stand on vessel.
There are five running lights underway: The masthead light (225 degrees), Forward range light (225 degrees) and Stern lights (135 degrees) are white. The Port light (112.5 degrees) is Red and Starboard light (112.5 degrees) is Green.
In Port, Moored:
In port the ship lights are: Aircraft warning light on top of the mast (red), Jack staff and flag staff lights. Water line and inport security lights are illuminated. Various security lights are on each deck and illuminated the superstructure.
Engaged in special operations:
Special operations require different lighting schemes. Towing, diving, restricted sides have different lighting configurations.
Two pulsating vertical red lights that are located on the mast additions to the normal underway-lighting configuration.
Not Under Command:
Two steady vertical red lights located on the mast additions to the normal underway-lighting configuration.
One red light on top of the mast additions to the normal underway-lighting configuration.
Underway in Low Visibility:
The ship will sound on long blast (4-6 seconds) on the ship's whistle at intervals NOT to exceed 2 minutes.
A. Small Craft:
Winds 15-33 knots, one red pennant by day; and a red over a white light at night.
Wind speed 34-47 knots, two red pennants flown from a shore tower are displayed where best seen by day, and a white light over a red light at night. These signals are ONLY displayed on SHORE. (Usually Port Operations)
Wind Speed 48-63 knots. One square red flag with a black square center is displayed. Two red lights at night.
D. Hurricane/ Typhoons:
Winds 64 knots or greater. Two red square flags with black square centers are displayed. Two red lights at night.
A. Binoculars (7x50):
Most commonly used optical equipments. The offer a wide range of vision and are best sited for searching over wide areas or for following a swiftly moving target.
Measures the distance of an object of a known height. Such as a masthead or another vessel.
Used to read the celestial bodies for navigation.
Time precision piece used to compare times. Battery operated and located in the chart house. Total of three on board.
E. Bearing Circle:
A metal ring that fits over the gyro compass repeater. It measures the bearing of objects on the surface on the earth.
F. Telescopic Alidade:
A small telescope mounted on a rotating ring and place on top of the gyro repeater to aid in identifying a surface contact and bearing.
G. Parallel Motion Protractor (PMP):
Fixed permanently to a chart table, assists in dead reckoning, plotting and navigation.
H. Parallel Rulers:
Rulers that can be moved across a chart while maintaining an angle for course plotting and navigation.
Identifies the landmasses and depths of water for safe navigation. Lists hazards, restricted operating areas and landmarks, channel markers and other aids to navigation. Remember, a MAP is for use on LAND. A CHART is used at SEA.
Points consistently to true North Pole rater than the magnetic north pole.
K. Magnetic Compass:
Points to magnetic north. Affected by the magnetic poles of earth and by the ship's magnetic fields (deviation). Replaced by a digital compass digital flux gauge magnetic compass (DFGMC).
Uses reflected radio waves for the detection of objects.
Electrical instrument used to determine the depth of the water beneath the keel of the ship.
N. Satellite Navigation (SATNAV):
Satellites record the ship's position (GPS systems and NAVSSI) and send the information to the ship for position plotting.
Line of Position
A Fix is made up of at least 3 LOP's that intersect.
Lines that run north and south. Parallel to the equator.
Lines that run east and west of prime meridian or meridians.
Set: The direction (degrees) pushed off course due to natural elements of wind, currents of the seas, or ship's steering error. Drift: The speed (in knots) pushed off course due to natural elements of wind, currents of the seas, or ship's steering error.
GMT/ Coordinated Universal Standard time:
Greenwich Mean Time
24 time zones. Starting at prime meridian (0 degrees) and goes around the earth for every 15 degrees or 1 hours of time.
Variation - The difference between true North and magnetic North (computation for annual variation in degrees or minutes is located on a chart (called compass rose). Deviation - Error between true course and magnetic course.
IALA (A/B) Buoy Systems: ALA buoy system is broken down to different areas of the world use IALA (A) and different areas of the world use IALA (B). US ports uses IALA region (B). IALA (B) is when the red buoy will be on STBD side of the ship when returning from sea (red right return). IALA (A) regions are the opposite from (B).
L. Cardinal System:
Buoys (pillar or spar shaped) that mark safe water. Two apexes point upward means stay north. Two apexes point down means stay south. Two apexes that point's together means stay west. Two apexes point's opposite from each other (two bases are together) means stay east.
A ships position can be attained by:
(1.) Visual fix (2) GPS fix (NAVSSI or Garmin) (3) (Radar fix) (4) Celestial fix (celestial bodies of navigation), and (5) sounding fix.
Dead Reckoning (DR):
A method of navigation in which future (estimated) positions are determined base off the last fix position of the ship's course and speed. No allowances are made from outside elements in Dead Reckoning (Ex: wind, current, etc).
106.32 Discuss the purpose of range/ channel markings: Channel
These let us know when we are in the channel. We can also determine gyro error.
A. Officer of the Deck:
Responsible for the safe navigation and position of the ship. Report to the CO.
B. Conning Officer:
Assistant to the OOD, responsible for the safe navigation and position of the ship. Gives orders to the Helm and Lee helm for course and speed changes.
C. Boatswain's Mate of the Watch (BMOW):
Responsible for enlisted watches and lookouts, pass the words over the 1MC, and good order and discipline on the bridge.
D. Helmsman/ Lee Helmsman:
Steers the ship/ controls the ship's speed.
Report contacts or information to the bridge.
F. Quarter-master of the watch (QMOW):
Navigates and maintains the ship's position by fixes. Also keeps the ship's deck log underway.
Measures atmospheric station pressure in inches and millibars.
Measures humidity and dry air. Measures dry bulb and wet bulb temperatures.
C. Voice Tubes:
Old way of communicating between stations.
D. JX/JL Circuits:
The circuits used by lookouts
Used to amplify communications.
F. Telltale Panel:
Indicates when navigation lights are on. Controls the ships running lights. Primary or secondary filaments. Yellow indicates secondary filament lit. Red yellow buzzer indicates running lights out.
A. Flag/pennants/day shapes:
68 flag in an allied flag bag or total flag bag and 40 flags in an international flag bag. The flag bags are located on the port and stbd side, 03 level.
B. Flashing light (directional/omni-directional).
Directional is use to communicate visually to one ship by sending Morse code using 12 inch signaling light. Omni-directional is use to communicate visually to two or more ships by sending Morse code using the AN/SAT-2A (yardarm blinkers or infrared beacons)
Visually communicate messages using arms (hand flags OSCAR & PAPA).
MK 135 MOD 0 pen flares. Visually communicate signals using green, red and white flares.
Visually communicate messages using a special infrared lenses that can only be detected by Night Observation Devices (NOD). Infrared is used when we don't want to give away the position of the ship during time of war.
Senior Officer Present Afloat (SOPA):
Personnel working aloft/over the side:
Hazards of Electro-Magnetic Radiation to Ordnance (HERO):
Ready to receive a ship alongside:
Flown from Starboard Yardarm outboard. Flag Officer or Unit commander (Sixth Fleet Absentee)
Flown from Port Yardarm inboard. Chief of Staff Absentee
Flown from Port Yardarm outboard. CO Absentee
Flown from Starboard Yardarm inboard. Civilian Official Absentee
107.26 Discuss how a message is prepared for transmission via semaphore and flashing light
Visual messages are prepared using visual message blinks located in the Signal Shelter by the originator/drafter in then released by authorized personnel. Visual message contain three parts, the heading, text, and ending. Visual messages contain 16 format lines.
This set is often in folders with...
ESWS 102 Common Core
US Navy Fleets
ESWS 111 Common Core
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