MITAGS Final Flashcards
Why does magnetic variation change ?
It changes because the magnetic poles are constantly changing
Define : Drift
- the speed of a current
- the distance a craft is moved by current and wind
Define : Set
The direction towards which a current flows
There are ___ (how many?) internationally recognized lateral buoyage systems. In the USA we use IALA ___, and red buoys are kept on the vessel’s ___ side when returning from sea.
- 2
- B
- right
Highly of tide is expressed in relation to ___.
Charted sounding datum
a barometric pressure fall of one inch may result in a water level rise of as much as ________________________________________.
one foot
An eddy is created due to the presence of _________ in a current flow.
Obstruction
Set, as it affects a vessel, is _________________________________.
the direction forces are moving a vessel
Weather forecast state the anticipated wind speed and _________________________________.
true direction from which the wind will blow.
Rule 9 establishes regulations pertaining to _________________________.
Narrow Channels
Rule 10 establishes regulations pertaining to ________.
Traffic separation schemes
Rule 19 establishes regulations pertaining to ________.
restricted visibility.
Range of tide refers to the vertical difference between ________.
high tide and low tide
Trim is defined as the balance of a vessel in a(n) ________ direction.
fore and aft
List is defined as the balance of a vessel in a(n) ________ direction.
athwartships
A label painted on the side of a vessel used to identify a potential stability problem is called ________________________________.
Plimsoll mark
the tidal range during Neap tide is ______________ than normal.
lower
The tidal range during a Spring tide is ______________ than normal.
higher
Under the inland rules, when a vessel is in sight of another vessel and is meeting head-on or nearly head-on, unless agreed otherwise both vessels must?
alter course to starboard and pass port to port.
averages for tidal calculations are based on a ______________ year tidal history.
19
How many GPS satellites are there in the USA GPS constellation?
24
The algebraic sum of variation and deviation is known as ________?
Compass error
Magnetic variation is ________________________________.
Constantly changing.
With a container or high sided vessel, once the vessel begins to react to the force of the wind; small increases in wind speed cause ______________ increases in force exerted on the vessel.
large
T or F: As the pivot point of a vessel moves closer to the center of wind effort, the effect of wind increases.
False
Maneuvering a vessel in current is generally easier when ________________________________.
heading into a current
a good rule of thumb for estimating current force is 1 knot of current is equivalent to ________ knots of wind.
30
The most common type of propeller found on merchant ships is :
fixed pitch, right handed
T or F: A sailing chart is good for navigation of small waterways.
False
The term “tractor tug” refers to vessels with the propulsion unit________________________________.
forward
T or F: The greater the distance from the pivot point that a tug is made up the greater the effect for a given applied force.
True
Where is the information contained for identifying and / or defining charted objects?
Chart 1
One nautical mile is equal to one ________ of ________
minute of latitude
Provide one example of cargo that is likely carried on a bulk ship
grain
a vessel preceding at 18 knots will travel how many nautical miles in six minutes?
1.8 nm
The three fold focus VTS uses to interact with stakeholders/public includes:
- media relations
- community outreach
- Internal info
list three examples of public relation tools a VTS can use as outreach tools
- Facility visits
- Public affairs officer/press releases
- Tours
Human error is the cause of ______________ of all mishaps
90%
list four of the seven critical skills that help reduce the potential for human error
communication assertiveness leadership mission analysis situation awareness adaptability / flexibility decision making
what are three conflict management styles
- agressive
- assertive
- passive
a team can be defined as a collection of people with a common __
goal
T or F : The Coast Guard’s public affairs manual should be consulted to determine what info is releasable to the news media
true
list two types of external VTS stakeholders
VTS users
Pilots
tug captains
local cops
T or F: conflict is not always bad
True
Stress was found to have long term affects on and individual’s __
health
Eustress was found to __
improve performance
National vessel traffic service regulations are located in 33 CFR __
161
What is stand?
A brief period between high and low tide when no change in the water level a be detected.
What is freshet?
Sudden increase in flow of fresh water as from a flood, emptying from a river into a larger body of salt or brackish water.
list the three vessels that compromise the VMRS user group
1) every power-driven vessel of 40 meters (131 feet) or more in length, while navigating
2) Every towing vessel of 8 meters (26feet) or more in length, while navigating
3) Every vessel certificated to carry 50 or more passengers for hire, when engaged in trade.
list three of the four vessels required to comply with the bridge to bridge radio telephone act
1) every power driven vessel of 20 meters or over in length while navigating
2) every vessel of 100 gross tons and upward carrying one or more passenger for hire while navigating
3) every towing vessel 26 feet or over in length while navigating
4) every dreadge and floating plant engaged in or near a channel or fairway in operation likely to restrict or affect navigation of other vessels except for an unmanned or intermittently manned floating plant under the control of a dredge.
VTS may ________ or ______________ to enhance navigation and vessel safety
measures and directions
Unless otherwise stated, a VMRS user must report at least ______________ min before navigating in a VTS area.
15 minutes
What info is required in a position report
name and position
a towing vessel as defined in 33CFR 161.2 is __
any commercial vessel engaged in towing another vessel astern, alongside or pushing ahead
Reporting exemptions : unless otherwise directed, the following vessels are exempted from providing position and final reports due to the nature of their operations
vsls on a published or scheduled route
vsls working in a 3nm radius
escort vessels
what are the four traffic management levels
monitor
inform
recommend
direct
listening is a ______________ form of traffic management
passive
Active traffic Management
passing traffic, broadcasts, giving recommendations, or direction
Parts of a Sail Plan
Vsl Name/position/underway time+point of entry/ destination+ETA/ Dangerous Cargo/intended Route
When is a final report issued?
destination or checking out of the system
PWSA empowered the Coast Guard to establish what?
VTS
IALA recommends every country does what?
Designate a competent authority to manage VTS
VTS personnel should looks at these two things when predicting static everyday risk and the potential for loss….
likelihood of hazard, potential for disaster
Communication is defined as what?
Clear and concise sending and receiving of information
Words account for what percent of interpersonal communication?
7%
Parts of the communication model?
sender/ receiver/ message/ barriers
4 Ways VTS communicates with Users
Telephone/ VHF Radio/ Cell phone/ published docs
SMCP Messages
Question/Answer/ Request/ Intention
international carriage requirements for VHF?
300 tons or passenger vessels on International voyages
VHF exempt vessels
military/ fishing vessels/ Sailing ships
4 categories of sensor eqp?
cameras/radios/ AIS/ radars
VTMIS
vessel traffic management informations system
3cm radar/10 cm radar
x/ s
a 3 cm radar preforms better in precipitation than a 10cm radar
false
list four types of cameras used in a CCTV system are:
infrared daytime lowlight nighttime thermal
examples of VTS interpersonal communication
team environment
public outreach
user group forums
T or F: AIS delivers precise position and maneuvering info to the VTS operator using VOICE VHF radio
False
List two of the six words to avoid because they create ambiguity
please
can
will
may
list two of the distress / urgency / safety markers for a message
mayday
pan-pan
securitayyyy
the SMCP message marker that should be used to indicate there is a danger to the vessel is __
warning
T or F: According to 33 CFR 26.02 length is her overall
False
T or F: VHF radio transmits its signal in a “line of sight” with longer ranges possible based on atmospheric conditions
TRUE
list four initial actions that a VTS can employ to maintain a safe waterway following an incident
rerouting traffic
closing waterway
safety broadcast
safety / security zone
what is the one percent that drives the operation of a VTS and allows the VTS to coordinate with allied services during emergencies
VHF radio
Pivot Point
Imaginary poem where vessel turns
Maximum range of a radar
Height, antenna height, rotation
In your own words describe VTS Operator
duh
