NN310 FINAL EXAM 2025 QUESTIONS
AND ANSWERS
The _______ certifies a system as an ECDIS making it the legal equivalent to paper charts -
ANS IMO
Which of the following is NOT an advantage of ECDIS - ANS Eliminates need for all other
navigation tools
What two pieces of information are automatically calculated by ECDIS for watchstander SA? -
ANS Cross-Track Error
Distance and time to run
Which type of system below best describes VMS? - ANS ECDIS-N
Which is not an advantage of raster chart? - ANS Zooming reveals details
NGA's Digitial Nautical Charts (DNC) are vector based - ANS True
___________ charts are a scanned copy of paper charts - ANS Raster Nautical
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@COPYRIGHT @THEBRIGHT 2025/2026
, Which of the following is not a functional requirement of ECDIS? - ANS ECDIS gives waypoint
recommendations as you are planning your route
Which of the following is NOT part of the ECDIS architecture? - ANS Automatic Chart Update
ECDIS - ANS Civilian electronic charting system
ECDIS-N - ANS US Navy electronic charting system
ECS - ANS Civilian electronic charting system that does not meet the international
requirements. Situational awareness only.
Optimum Track Ship's Routing - ANS Service requested by ship to the Fleet Weather Center
which provides a safe alternate route to follow if ship's planned movement will encounter
severe weather
Fleet Guide - ANS Contains information on US Navy ports
Pilot Charts - ANS displays ocean climatology, navigational and forecasted meteorological
conditions
Notice to mariners - ANS Weekly and monthly publications used to update charts
Catalog of Hydrographic Products - ANS Lists all charts published by NGA
When is a Movement Report (MOVREP) sent by a ship? - ANS 24-48 hours prior to underway
After arrival at destination
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Fail to Sail
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, When moveing more than 4 hours ahead or behind PIM
Which two of the following are important factors to consider when determining estimated time
of departure (ETD) and estimated time of arrival (ETA)? - ANS Tides/currents
Daylight
When transiting a great distance a navigator prepares a ___________ track so the ship can
steady course while driving the shortest distance - ANS composite
What message is routed through every Department Head prior to pulling into port and contains
information on arrival time, pilot requirements, trash removal, cell phones and vans needed? -
ANS Logistics Request (LOGREQ)
Three components of a Navigation Plan - ANS Layer
Routre
Charts
What should the look ahead time be set to? - ANS 2x fix interval
The safety dpth shall be ser to the ship's depth - ANS False
Safety height is set to mast head height plus ________ feet - ANS 25
Gazetteer - ANS A listing of all NAVAIDS for a given area
What are the Safety Configuration Parameters and Display settings that must be set in VMS? -
ANS Lookahead time
3
Added Breadth
Page
@COPYRIGHT @THEBRIGHT 2025/2026
AND ANSWERS
The _______ certifies a system as an ECDIS making it the legal equivalent to paper charts -
ANS IMO
Which of the following is NOT an advantage of ECDIS - ANS Eliminates need for all other
navigation tools
What two pieces of information are automatically calculated by ECDIS for watchstander SA? -
ANS Cross-Track Error
Distance and time to run
Which type of system below best describes VMS? - ANS ECDIS-N
Which is not an advantage of raster chart? - ANS Zooming reveals details
NGA's Digitial Nautical Charts (DNC) are vector based - ANS True
___________ charts are a scanned copy of paper charts - ANS Raster Nautical
1
Page
@COPYRIGHT @THEBRIGHT 2025/2026
, Which of the following is not a functional requirement of ECDIS? - ANS ECDIS gives waypoint
recommendations as you are planning your route
Which of the following is NOT part of the ECDIS architecture? - ANS Automatic Chart Update
ECDIS - ANS Civilian electronic charting system
ECDIS-N - ANS US Navy electronic charting system
ECS - ANS Civilian electronic charting system that does not meet the international
requirements. Situational awareness only.
Optimum Track Ship's Routing - ANS Service requested by ship to the Fleet Weather Center
which provides a safe alternate route to follow if ship's planned movement will encounter
severe weather
Fleet Guide - ANS Contains information on US Navy ports
Pilot Charts - ANS displays ocean climatology, navigational and forecasted meteorological
conditions
Notice to mariners - ANS Weekly and monthly publications used to update charts
Catalog of Hydrographic Products - ANS Lists all charts published by NGA
When is a Movement Report (MOVREP) sent by a ship? - ANS 24-48 hours prior to underway
After arrival at destination
2
Page
Fail to Sail
@COPYRIGHT @THEBRIGHT 2025/2026
, When moveing more than 4 hours ahead or behind PIM
Which two of the following are important factors to consider when determining estimated time
of departure (ETD) and estimated time of arrival (ETA)? - ANS Tides/currents
Daylight
When transiting a great distance a navigator prepares a ___________ track so the ship can
steady course while driving the shortest distance - ANS composite
What message is routed through every Department Head prior to pulling into port and contains
information on arrival time, pilot requirements, trash removal, cell phones and vans needed? -
ANS Logistics Request (LOGREQ)
Three components of a Navigation Plan - ANS Layer
Routre
Charts
What should the look ahead time be set to? - ANS 2x fix interval
The safety dpth shall be ser to the ship's depth - ANS False
Safety height is set to mast head height plus ________ feet - ANS 25
Gazetteer - ANS A listing of all NAVAIDS for a given area
What are the Safety Configuration Parameters and Display settings that must be set in VMS? -
ANS Lookahead time
3
Added Breadth
Page
@COPYRIGHT @THEBRIGHT 2025/2026
