WorksheetsElectronic Navigational Equipment & SOLAS
Total questions: 63
Worksheet time: 21mins
Which SOLAS regulation governs the carriage requirements for shipborne systems and equipment?
Regulation 15
Regulation 19
Regulation 21
Regulation 34
An enhancement to the basic GPS signal that provides much higher precision and increased safety for maritime operations is known as:
GNSS
AIS
DGPS
SONAR
A Global Positioning System (GPS) receiver's primary function is to show the ship’s location with the help of:
Coastal radio beacons
Global positioning satellite
Terrestrial navigation stations
Celestial bodies
Which equipment is specifically designed to determine the ship's true course/bearing?
Echo Sounder
Electromagnetic Log
Magnetic and Gyro compasses
AIS
The integration of position and radar information displayed on an electronic chart forms the basis of what system?
GNSS
AIS
ECDIS
SONAR
Which navigational equipment provides position, course, and speed information, saving navigators time and fuel through more efficient traffic routing?
ECDIS
RADAR/ARPA
Course Recorder
GPS and DGPS
Which equipment is a type of speed and distance measuring device that can measure speed over the ground in the forward and athwartships direction?
Magnetic Compass
Gyro Compass
Doppler Log
Echo Sounder
Which electronic equipment is listed as contributing to safety by increasing safety and security for vessels using it?
ECDIS
RADAR/ARPA
AIS
Course Recorder
Which of the following systems is referred to as the Integrated Bridge System (IBS)?
Course Recorder System
Doppler Log System
Integrated Bridge System (IBS)
Magnetic Compass System
What information, besides the ship's position, can be calculated with the record of the ship’s positions from a GPS receiver?
Wind speed
Tide and current data
Speed, course, and time taken
Sea surface temperature
ECDIS is an abbreviation for:
Emergency Compass Display and Information System
Electronic Coastal Data and Information System
Electronic Chart Display and Information System
Enhanced Communication and Data Integration System
Which navigational equipment relies on observing the travel-time of a radio signal transmitted by satellites?
RADAR/ARPA
Echo Sounder
GPS
Electromagnetic Log
The discussion on navigational instruments is aimed at operating specific electronic navigational equipment used in obtaining and monitoring ship’s position and:
Engine revolutions per minute
Under-keel clearance
Rate of turn
Sea surface current
What is the purpose of a Course Recorder on the bridge?
Engine revolutions per minute
Under-keel clearance
Rate of turn
Sea surface current
Which of the following is used to record the ship's heading/course over time?
To plot the ship's position
To determine the ship's speed
To record the ship's heading/course over time
To measure wind direction
Which compass operates based on the principle of terrestrial magnetism?
Gyro Compass
Magnetic Compass
Fluxgate Compass
Satellite Compass
The development of modern navigation equipment is credited with making the journey at sea:
More challenging and complex
More independent of human input
Smoother and safer
Less regulated by SOLAS
What term is used to describe a local alignment where the ellipsoid surface is closely fit to the geoid at a particular location on the earth’s surface?
Geocentric Datum
Local Datum
Universal Datum
Spherical Datum
Which of the following is an advantage of DGPS over basic GPS?
It is faster to start up
It uses only one satellite
It works without a receiver
It provides much higher precision
According to the content, what has the advancement in technology provided to a ship officer for voyage planning and navigation?
Unconventional ways
A myriad of marine navigation equipment
Reliance on only paper charts
Reduced training requirements
Which Log measures the ship's speed relative to the water?
Doppler Log
Electromagnetic Log
Course Recorder Log
Echo Sounder Log
What must present-day seafarers be trained in regarding modern navigational equipment?
Maintenance only
Functioning and operation
Only installation
Only troubleshooting
The initial position for DGPS operations, such as buoy positioning, sweeping, and dredging, improves what type of navigation?
Celestial navigation
Ocean navigation
Coastal navigation
Inland navigation
The arrangement of navigational equipment inside the bridge is governed by provisions from which organization/regulation?
MARPOL Convention
STCW Code
SOLAS Regulation 19
COLREGs
Which device uses an active acoustic signal to determine depth?
GPS
AIS
Echo Sounder
Gyro Compass
Which equipment contributes to increased efficiency and economy for container management in port facilities due to its precision?
ECDIS
DGPS
Course Recorder
Magnetic Compass
Which of the following is the purpose of amplifying the weak electrical oscillations from the transducer?
To produce the sound pulse
To amplify the weak electrical oscillations from the transducer
To generate the display
To synchronize the transmission
A Geographic Information System (GIS) is defined as a computer system that analyzes and displays information that is:
Financial and transactional
Geographically referenced
Historical and archival
Meteorological and atmospheric
The Russian Global Navigation Satellite System (GNSS) is known as:
Galileo
Glonass
BeiDou Compass
NAVSTAR
The basic principle of satellite navigation, referred to as standalone positioning, consists of measuring distances from a receiver on or near the Earth by observing the:
Angle of arrival
Phase shift
Travel-time of the radio signal
Amplitude of the signal
How many distances (ranges) from satellites are geometrically needed to determine the position of the user receiver in three dimensions (latitude, longitude, altitude)?
One
Three
Four
Five
The Chinese Global Navigation Satellite System is known as:
Glonass
Galileo
BeiDou Compass
NAVSTAR
What segment of the GNSS system determines and predicts the positions of the satellites and uploads the information to them?
User segment
Space segment
Ground segment
Oceanic segment
What type of navigation services will the European Galileo system offer for use by the government?
Standard Positioning Services (SPS)
Precision Positioning Services (PPS)
Publicly Regulated Services (PRS)
Commercial Services (CS)
The core function of GPS is to determine:
Other vessels’ intentions
Location and time
Depth below the keel
True wind
What must a navigator do correctly before operating GPS equipment?
Plot the course manually
Turn off all other electronics
Start up the equipment in accordance with the user manual
The radio signal transmitted by the satellite is used by the receiver to measure:
Distance
Bearing
Speed of the satellite
Doppler shift
DGPS improves precision for maritime operations in its coverage areas by:
Increasing the number of satellites
Using a lower frequency signal
Correcting for GPS errors
Broadcasting a simpler code
The term for aligning the ellipsoid with the center of the earth is known as:
Local Datum
Geocentric Datum
In a GNSS, the prediction of satellite positions is relayed to the satellites by the ground segment so that they can relay this information to:
Only military users
Only government users
Users all around the world
Only ground stations
When using DGPS, position and radar information can be integrated and displayed on an electronic chart, forming the basis of the:
RADAR/ARPA
Integrated Bridge System
Echo Sounder
Course Recorder
A benefit of DGPS to a mariner is the increased safety and efficiency through:
Manual chart plotting
Accurate position and speed determination
Reduced reliance on electronics
Increased water depth
The operational range of DGPS is typically limited to areas with proximity to:
Manual chart plotting
Accurate position and speed determination
Reduced reliance on electronics
Increased water depth
Standalone positioning relies on measuring:
Angles to satellites
Distances from satellites
Ship’s magnetic heading
Tidal stream velocity
The purpose of the navigational equipment arrangement according to SOLAS is to enhance the:
Ship's cosmetic appearance
Officer's comfort
Safety of navigation
Speed of the vessel
What principle allows position to be determined by the intersection of spheres of distance from satellites?
Triangulation
Trilateration
Sextant calculation
Celestial sphere
AIS uses what kind of signal for tracking and identification?
Acoustic
Optical
Radio
Seismic
When correctly starting up GPS equipment, the officer must follow the manufacturer’s specifications, guidelines, or:
A) IMO resolutions
B) SOLAS chapters
C) User manual
D) Bridge Procedure Guide
The basic principle of satellite navigation is also known as:
Relative positioning
Differential positioning
Single point positioning
Integrated positioning
What kind of data is used by a Geographic Information System (GIS)?
Demographic data
Economic data
Geographically referenced data
Meteorological data
The process where the ground segment uploads predicted satellite positions to the satellites is called:
Downlink
Uplink
Sidelink
Crosslink
DGPS significantly improves harbor navigation by enhancing the precision and efficiency of which operations?
Celestial fixes
Buoy positioning and dredging
Cargo loading
Engine diagnostics
Which segment of the GNSS system includes the satellites themselves?
User segment
Space segment
Control segment
Ground segment
An integrated system using DGPS, electronic charts, and radar information is characteristic of a:
Traditional bridge
Modern commercial vessel
Sailing yacht
Coastal fishing vessel
In a GCS, locations on the earth’s surface are measured in:
Linear units
Angular units
Time units
Pressure units
The process of using GPS to determine location and time is applicable to:
Land transportation only
Sea transportation only
Land and sea transportation
Air transportation only
A Geographic Coordinate System (GCS) is a reference system for identifying locations on the:
Flat surface of a chart
Curved surface of the earth
Geoid model only
Grid system of a city
Latitude is measured relative to the plane defined by the:
Prime Meridian
International Date Line
Equator
Longitude is measured relative to the plane defined by the:
Equator
Prime Meridian
Magnetic North
Tropics of Cancer and Capricorn
What is the process of aligning the geoid with the ellipsoid/sphere representation of the earth called?
Projection
Graticule
Datum
Mapping
To convert Decimal Degrees (e.g., 41.7325) to Degrees-Minutes-Seconds (DMS), the first step after identifying the whole number (Degrees) is to multiply the decimal part by:
A) 30
B) 60
C) 100
D) 3600
The coordinate format DD-MM.MM stands for:
Decimal Degrees-Minutes.Minutes
Degrees-Decimal Minutes.Decimal Minutes
Decimal Degrees.Minutes-Seconds
Degrees-Minutes.Meters
What is the Minutes part of the coordinate 49.947° W when converted to Degrees Minutes Seconds (DMS)?
49
50
56
57
