ECDIS EXAM WITH QUESTIONS AND VERIFIED
ANSWERS 2024-2025
What is the major function of ECDIS? To contribute to safe navigation.
Does ECDIS meet Solas' needs for up-to-date charts? - The answer is yes.
Where must ECDIS charts come from? - ANSWER Distributed under the
authority of government-authorized hydrographic bureaus.
Requirements for updating ECDIS - ANSWER Should allow for simple and
reliable updating of ENCs.
ECDIS Display Requirements: ANSWER Capable of displaying all chart
information required for safe and efficient navigation.
What should the ECDIS display? - Answer Should have at least the same
dependability and availability of presentation as the paper chart.
What are the ECDIS alarm requirements? - ANSWER: safety contours, places
with unusual conditions, departure from route, GPS failure, approach to critical
point, different geodetic datum, ECDIS malfunction.
When will Raster Charts ECDIS be operational? - ANSWER Only a
navigational aid, not an ECDIS.
ENC - ANSWER: Electronic Navigation Chart
ECDIS - Answer: Electronic Chart Display and Information System
SENC - ANSWER System, Electronic Navigational Chart
Display modes? - ANSWER Base, Standard, Full, User Options.
, SENC requirements - ANSWER: This should be adequate and up to date for the
anticipated cruise.
Updates to ENC - ANSWER should be stored separately from ENCs.
Standard Display Specifications - ANSWER ECDIS should be able to change to
standard display mode with a single operator action.
What is the default safety contour in ECDIS? - ANSWER: 30 meters
What will be the default if a safety contour is not available for the chart area? -
ANSWER The next deep contour
Requirements for ENC Updates: ANSWER Should be readily distinct, with the
ability to check that ENC and all updates are accurately loaded into SENC.
ECDIS scaling requirements - ANSWER Should indicate over- or under-scale.
Overlays? - ANSWER Radar, AIS, and other signals may be overlayed;
however, they must be removable with a single operator action.
What is the rule about overlays and scaling? - ANSWER Radar or other
navigation overlay scales should match ECDIS.
Display modes: heads up, north up, and course up. - ANSWER Must be able to
exhibit in the North, however others are permitted.
True vs. Relative Requirements in ECDIS - Answer True is mandatory; others
are optional.
ANSWERS 2024-2025
What is the major function of ECDIS? To contribute to safe navigation.
Does ECDIS meet Solas' needs for up-to-date charts? - The answer is yes.
Where must ECDIS charts come from? - ANSWER Distributed under the
authority of government-authorized hydrographic bureaus.
Requirements for updating ECDIS - ANSWER Should allow for simple and
reliable updating of ENCs.
ECDIS Display Requirements: ANSWER Capable of displaying all chart
information required for safe and efficient navigation.
What should the ECDIS display? - Answer Should have at least the same
dependability and availability of presentation as the paper chart.
What are the ECDIS alarm requirements? - ANSWER: safety contours, places
with unusual conditions, departure from route, GPS failure, approach to critical
point, different geodetic datum, ECDIS malfunction.
When will Raster Charts ECDIS be operational? - ANSWER Only a
navigational aid, not an ECDIS.
ENC - ANSWER: Electronic Navigation Chart
ECDIS - Answer: Electronic Chart Display and Information System
SENC - ANSWER System, Electronic Navigational Chart
Display modes? - ANSWER Base, Standard, Full, User Options.
, SENC requirements - ANSWER: This should be adequate and up to date for the
anticipated cruise.
Updates to ENC - ANSWER should be stored separately from ENCs.
Standard Display Specifications - ANSWER ECDIS should be able to change to
standard display mode with a single operator action.
What is the default safety contour in ECDIS? - ANSWER: 30 meters
What will be the default if a safety contour is not available for the chart area? -
ANSWER The next deep contour
Requirements for ENC Updates: ANSWER Should be readily distinct, with the
ability to check that ENC and all updates are accurately loaded into SENC.
ECDIS scaling requirements - ANSWER Should indicate over- or under-scale.
Overlays? - ANSWER Radar, AIS, and other signals may be overlayed;
however, they must be removable with a single operator action.
What is the rule about overlays and scaling? - ANSWER Radar or other
navigation overlay scales should match ECDIS.
Display modes: heads up, north up, and course up. - ANSWER Must be able to
exhibit in the North, however others are permitted.
True vs. Relative Requirements in ECDIS - Answer True is mandatory; others
are optional.
