ECDIS EXAM QUESTIONS AND
ANSWERS 100% PASS
What is the primary function of ECDIS - ANS To contribute to safe navigation
Does ECDIS comply w/ Solas requirements for up-to-date charts? - ANS Yes
Where must Charts for ECDIS come from? - ANS Distributed on authority of government
auth. hydrographic offices
Requirements for updating ECDIS - ANS Should facilitate simple and reliable updating of
ENC's
ECDIS Display requirements - - ANS capable of displaying all chart information necessary for
safe and efficient navigation.
What should ECDIS display - ANS Should have at least the same reliability and availability of
presentation as paper chart
ECDIS alarm requirements? - ANS safety contours, areas with special conditions, deviation
from route, GPS failure, approach to critical point, different geodetic datum, ECDIS Malfunction.
When operation with Raster Charts ECDIS is? - ANS Only a navigational aid/not ECDIS
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, ENC - ANS Electronic Navigational Chart
ECDIS - ANS Electronic Chart Display and Information System
SENC - ANS System Electronic Navigational Chart
Display Modes? - ANS Base, Standard, Full, User optios
Requirements of SENC's - ANS Should be adequate and up to date for intended voyage.
Storing updates to ENC - ANS Should be stored separately from ENC's
Standard Display requirements - ANS ECDIS should be able to go to standard display mode
with single operator actuib
What does safety contour default to in ECDIS? - ANS 30 Meters
if safety contour is not available for area of chart, what will it default to? - ANS The next
deeper contour
Requirements for ENC Updates - ANS Should be clearly distinguishable, ability to ensure that
ENC and all updats have been correctly loaded into SENC
ECDIS Scaling requirments - ANS Should indicate over-scale or under-scale
Overlays? - ANS Radar, AIS and others may be overlayed -- but must be able to be removed
by single operator action.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
ANSWERS 100% PASS
What is the primary function of ECDIS - ANS To contribute to safe navigation
Does ECDIS comply w/ Solas requirements for up-to-date charts? - ANS Yes
Where must Charts for ECDIS come from? - ANS Distributed on authority of government
auth. hydrographic offices
Requirements for updating ECDIS - ANS Should facilitate simple and reliable updating of
ENC's
ECDIS Display requirements - - ANS capable of displaying all chart information necessary for
safe and efficient navigation.
What should ECDIS display - ANS Should have at least the same reliability and availability of
presentation as paper chart
ECDIS alarm requirements? - ANS safety contours, areas with special conditions, deviation
from route, GPS failure, approach to critical point, different geodetic datum, ECDIS Malfunction.
When operation with Raster Charts ECDIS is? - ANS Only a navigational aid/not ECDIS
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, ENC - ANS Electronic Navigational Chart
ECDIS - ANS Electronic Chart Display and Information System
SENC - ANS System Electronic Navigational Chart
Display Modes? - ANS Base, Standard, Full, User optios
Requirements of SENC's - ANS Should be adequate and up to date for intended voyage.
Storing updates to ENC - ANS Should be stored separately from ENC's
Standard Display requirements - ANS ECDIS should be able to go to standard display mode
with single operator actuib
What does safety contour default to in ECDIS? - ANS 30 Meters
if safety contour is not available for area of chart, what will it default to? - ANS The next
deeper contour
Requirements for ENC Updates - ANS Should be clearly distinguishable, ability to ensure that
ENC and all updats have been correctly loaded into SENC
ECDIS Scaling requirments - ANS Should indicate over-scale or under-scale
Overlays? - ANS Radar, AIS and others may be overlayed -- but must be able to be removed
by single operator action.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
