ECDIS TEST #1 EXAM QUESTIONS AND
ANSWERS 100% PASS
ECDIS - ANS Electronic Chart Display and Information System
The primary function of the ECDIS is to contribute to_______. - ANS Safe Navigation
ECDIS should be capable of displaying all chart information necessary for safe and efficient
navigation originated by, and distributed on the authority of__________. - ANS Government
authorized hydrographic offices.
ECDIS should facilitate simple and reliable updating of the______. - ANS Electronic Navigation
Chart
ECDIS should reduce the______________. - ANS Navigational workload compared to using
the paper charts.
The ECDIS display may also be used for the display of_____________. - ANS radar, radar
tracked target information, AIS and other appropriate data layers.
When the relevant chart information is not available, some ECDIS equipment may operate in
the___________. - ANS Raster Chart Display System (RCDS) mode
INS - ANS Integrated Navigational System
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Electronic Navigational Chart (ENC)- - ANS Means a database, standardized as to content.
structure and format, issued for use with ECDIS with authorization of IHO.
System Electronic Navigational Chart (SENC) - ANS Means a database, in the manufacturer's
internal ECDIS format, resulting from the lossless transformation of the entire ENC contents and
updates.
Standard Display - ANS The display mode intended to be used as a minimum during route
planning and monitoring.
Display base - ANS Cannot be removed from the display. It is not intended to be sufficient for
safe navigation.
The chart information to be used in ECDIS should always be______. - ANS The latest edition,
as corrected by official updates, of that issued by IHO, or equal government institution.
Updates should be stored separately from the ____. - ANS ENC
ECDIS should be capable of accepting official updates to the ENC data provided in conformity
with ________. - ANS IHO standards.
ECDIS should be capable of accepting updates to the ENC data entered _______. -
ANS manually
ECDIS should be capable of displaying all SENC information. An ECDIS should be capable of
accepting and converting an ENC and its updates into a _________. - ANS SENC
3 different types of displays - ANS Display base, Standard display, All other information
ECDIS should present the display at any time by a _______. - ANS Single operator action
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, it should not be possible to remove information contained in the _______. - ANS Base Display
ECDIS should display on demand the information about the charted objects _______. -
ANS Associated with such a position
It should be possible for the mariner to select a safety contour from the depth contours
provided by the SENC. ECDIS should emphasize______. - ANS the safety contour over the
other contours on the display.
Default safety contour - ANS 30 m
If the safety contour in use becomes unavailable due to a change in source data, the safety
contour should_________. - ANS default to the next deeper contour
It should be possible for the mariner to select a safety depth. ECDIS should emphasize
soundings_______. - ANS equal to or less than the safety depth whenever spot soundings are
selected for display.
ECDIS should provide an indication if the information is displayed at a larger scale than
that___________. - ANS Contained in the ENC , or own ship's position is covered by the ENC
at a larger scale than that provided by the display.
It should be possible to remove the radar information, AIS information and other navigational
information by - ANS Single operator action.
If the radar image is added to the ECDIS display, the chart and the radar image should________.
- ANS match in scale, projection, and in orientation.
It should always be possible to display the SENC information in a _________ orientation. -
ANS "north-up"
ECDIS should always provide for _________. - ANS True motion mode.
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
ANSWERS 100% PASS
ECDIS - ANS Electronic Chart Display and Information System
The primary function of the ECDIS is to contribute to_______. - ANS Safe Navigation
ECDIS should be capable of displaying all chart information necessary for safe and efficient
navigation originated by, and distributed on the authority of__________. - ANS Government
authorized hydrographic offices.
ECDIS should facilitate simple and reliable updating of the______. - ANS Electronic Navigation
Chart
ECDIS should reduce the______________. - ANS Navigational workload compared to using
the paper charts.
The ECDIS display may also be used for the display of_____________. - ANS radar, radar
tracked target information, AIS and other appropriate data layers.
When the relevant chart information is not available, some ECDIS equipment may operate in
the___________. - ANS Raster Chart Display System (RCDS) mode
INS - ANS Integrated Navigational System
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Electronic Navigational Chart (ENC)- - ANS Means a database, standardized as to content.
structure and format, issued for use with ECDIS with authorization of IHO.
System Electronic Navigational Chart (SENC) - ANS Means a database, in the manufacturer's
internal ECDIS format, resulting from the lossless transformation of the entire ENC contents and
updates.
Standard Display - ANS The display mode intended to be used as a minimum during route
planning and monitoring.
Display base - ANS Cannot be removed from the display. It is not intended to be sufficient for
safe navigation.
The chart information to be used in ECDIS should always be______. - ANS The latest edition,
as corrected by official updates, of that issued by IHO, or equal government institution.
Updates should be stored separately from the ____. - ANS ENC
ECDIS should be capable of accepting official updates to the ENC data provided in conformity
with ________. - ANS IHO standards.
ECDIS should be capable of accepting updates to the ENC data entered _______. -
ANS manually
ECDIS should be capable of displaying all SENC information. An ECDIS should be capable of
accepting and converting an ENC and its updates into a _________. - ANS SENC
3 different types of displays - ANS Display base, Standard display, All other information
ECDIS should present the display at any time by a _______. - ANS Single operator action
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, it should not be possible to remove information contained in the _______. - ANS Base Display
ECDIS should display on demand the information about the charted objects _______. -
ANS Associated with such a position
It should be possible for the mariner to select a safety contour from the depth contours
provided by the SENC. ECDIS should emphasize______. - ANS the safety contour over the
other contours on the display.
Default safety contour - ANS 30 m
If the safety contour in use becomes unavailable due to a change in source data, the safety
contour should_________. - ANS default to the next deeper contour
It should be possible for the mariner to select a safety depth. ECDIS should emphasize
soundings_______. - ANS equal to or less than the safety depth whenever spot soundings are
selected for display.
ECDIS should provide an indication if the information is displayed at a larger scale than
that___________. - ANS Contained in the ENC , or own ship's position is covered by the ENC
at a larger scale than that provided by the display.
It should be possible to remove the radar information, AIS information and other navigational
information by - ANS Single operator action.
If the radar image is added to the ECDIS display, the chart and the radar image should________.
- ANS match in scale, projection, and in orientation.
It should always be possible to display the SENC information in a _________ orientation. -
ANS "north-up"
ECDIS should always provide for _________. - ANS True motion mode.
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
