ECDIS Operational Use
ECDIS - ELECTRONIC CHART DISPLAY AND INFORMATION SYSTEM |
EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED MARITIME
NAVIGATION LATEST 2026/2027
ELECTRONIC CHART DISPLAY AND INFORMATION SYSTEM (ECDIS)
Operational Use of ECDIS
1. Under SOLAS Chapter V, Regulation 19, an ECDIS may be accepted as
meeting the chart carriage requirement provided that:
A. The system displays raster charts exclusively
B. The ship carries at least one paper chart for each port of call
C. The master holds a flag State ECDIS endorsement only
D. An appropriate back-up arrangement is also provided on board
D. An appropriate back-up arrangement is also provided on board
ECDIS can replace paper charts only when an approved independent
back-up arrangement is fitted.
2. The revised IMO performance standards for ECDIS, applicable to
systems installed on or after 1 January 2009, are contained in:
A. Resolution A.694(17)
B. Resolution MSC.232(82)
C. Resolution MSC.192(79)
D. Resolution A.817(19)
B. Resolution MSC.232(82)
MSC.232(82) superseded A.817(19) for new ECDIS installations from
2009 onward.
Page 1 of 58
, ECDIS Operational Use
3. Which organization publishes the Presentation Library that specifies
the colours and symbols used on an ECDIS display?
A. International Hydrographic Organization (IHO)
B. International Organization for Standardization (ISO)
C. International Electrotechnical Commission (IEC)
D. International Association of Marine Aids to Navigation and Lighthouse
Authorities (IALA)
A. International Hydrographic Organization (IHO)
The IHO issues S-52 and its Presentation Library, which governs ECDIS
colours and symbology.
4. The IEC standard that sets out the operational and performance
requirements, test methods and required test results for ECDIS type
approval is:
A. IEC 61993-2
B. IEC 60945
C. IEC 61174
D. IEC 62388
C. IEC 61174
IEC 61174 is the ECDIS test standard; 62388 covers radar, 61993-2
covers AIS and 60945 covers general environmental testing.
5. IHO S-57 is best described as:
A. The transfer standard for digital hydrographic data used to produce
ENCs
B. The colour and symbol specification for chart display
C. The data protection scheme used to encrypt ENCs
D. The ECDIS test data set standard
A. The transfer standard for digital hydrographic data used to
produce ENCs
S-57 defines how hydrographic data is structured and exchanged for ENC
production.
Page 2 of 58
, ECDIS Operational Use
6. The IHO standard that provides the data protection scheme for
encrypting and authenticating ENCs is:
A. S-52
B. S-61
C. S-64
D. S-63
D. S-63
S-63 protects ENC data against piracy and confirms its source through
encryption and digital signatures.
7. IHO S-64 provides:
A. Test data sets used to check that an ECDIS displays ENC data correctly
B. The encryption scheme for chart permits
C. The product specification for raster navigational charts
D. The symbols used on paper charts
A. Test data sets used to check that an ECDIS displays ENC data
correctly
S-64 contains test data used during type approval and for checking ECDIS
performance.
8. The IHO universal hydrographic data model designed as the
framework to succeed S-57 is:
A. S-58
B. S-4
C. S-44
D. S-100
D. S-100
S-100 is the new framework standard, with S-101 being the ENC product
specification built on it.
Page 3 of 58
, ECDIS Operational Use
9. The IMO model course that forms the basis of generic ECDIS training
is:
A. Model Course 1.07
B. Model Course 1.22
C. Model Course 1.27
D. Model Course 1.34
C. Model Course 1.27
Model Course 1.27 covers the operational use of ECDIS and supports the
STCW training requirement.
10. The requirement for equipment-specific (type-specific) ECDIS
familiarization is primarily placed on the company through:
A. The ISPS Code
B. MARPOL Annex VI
C. The International Load Line Convention
D. The ISM Code
D. The ISM Code
The ISM Code makes the company responsible for ensuring officers are
familiar with the equipment actually fitted on board.
11. When an ECDIS meeting IMO performance standards is using
official, up-to-date ENCs, it is said to be operating in:
A. ECS mode
B. ECDIS mode
C. RCDS mode
D. Simulation mode
B. ECDIS mode
Only type-approved equipment using official vector ENCs operates in full
ECDIS mode.
Page 4 of 58
ECDIS - ELECTRONIC CHART DISPLAY AND INFORMATION SYSTEM |
EXAM QUESTIONS AND CORRECT ANSWERS | VERIFIED MARITIME
NAVIGATION LATEST 2026/2027
ELECTRONIC CHART DISPLAY AND INFORMATION SYSTEM (ECDIS)
Operational Use of ECDIS
1. Under SOLAS Chapter V, Regulation 19, an ECDIS may be accepted as
meeting the chart carriage requirement provided that:
A. The system displays raster charts exclusively
B. The ship carries at least one paper chart for each port of call
C. The master holds a flag State ECDIS endorsement only
D. An appropriate back-up arrangement is also provided on board
D. An appropriate back-up arrangement is also provided on board
ECDIS can replace paper charts only when an approved independent
back-up arrangement is fitted.
2. The revised IMO performance standards for ECDIS, applicable to
systems installed on or after 1 January 2009, are contained in:
A. Resolution A.694(17)
B. Resolution MSC.232(82)
C. Resolution MSC.192(79)
D. Resolution A.817(19)
B. Resolution MSC.232(82)
MSC.232(82) superseded A.817(19) for new ECDIS installations from
2009 onward.
Page 1 of 58
, ECDIS Operational Use
3. Which organization publishes the Presentation Library that specifies
the colours and symbols used on an ECDIS display?
A. International Hydrographic Organization (IHO)
B. International Organization for Standardization (ISO)
C. International Electrotechnical Commission (IEC)
D. International Association of Marine Aids to Navigation and Lighthouse
Authorities (IALA)
A. International Hydrographic Organization (IHO)
The IHO issues S-52 and its Presentation Library, which governs ECDIS
colours and symbology.
4. The IEC standard that sets out the operational and performance
requirements, test methods and required test results for ECDIS type
approval is:
A. IEC 61993-2
B. IEC 60945
C. IEC 61174
D. IEC 62388
C. IEC 61174
IEC 61174 is the ECDIS test standard; 62388 covers radar, 61993-2
covers AIS and 60945 covers general environmental testing.
5. IHO S-57 is best described as:
A. The transfer standard for digital hydrographic data used to produce
ENCs
B. The colour and symbol specification for chart display
C. The data protection scheme used to encrypt ENCs
D. The ECDIS test data set standard
A. The transfer standard for digital hydrographic data used to
produce ENCs
S-57 defines how hydrographic data is structured and exchanged for ENC
production.
Page 2 of 58
, ECDIS Operational Use
6. The IHO standard that provides the data protection scheme for
encrypting and authenticating ENCs is:
A. S-52
B. S-61
C. S-64
D. S-63
D. S-63
S-63 protects ENC data against piracy and confirms its source through
encryption and digital signatures.
7. IHO S-64 provides:
A. Test data sets used to check that an ECDIS displays ENC data correctly
B. The encryption scheme for chart permits
C. The product specification for raster navigational charts
D. The symbols used on paper charts
A. Test data sets used to check that an ECDIS displays ENC data
correctly
S-64 contains test data used during type approval and for checking ECDIS
performance.
8. The IHO universal hydrographic data model designed as the
framework to succeed S-57 is:
A. S-58
B. S-4
C. S-44
D. S-100
D. S-100
S-100 is the new framework standard, with S-101 being the ENC product
specification built on it.
Page 3 of 58
, ECDIS Operational Use
9. The IMO model course that forms the basis of generic ECDIS training
is:
A. Model Course 1.07
B. Model Course 1.22
C. Model Course 1.27
D. Model Course 1.34
C. Model Course 1.27
Model Course 1.27 covers the operational use of ECDIS and supports the
STCW training requirement.
10. The requirement for equipment-specific (type-specific) ECDIS
familiarization is primarily placed on the company through:
A. The ISPS Code
B. MARPOL Annex VI
C. The International Load Line Convention
D. The ISM Code
D. The ISM Code
The ISM Code makes the company responsible for ensuring officers are
familiar with the equipment actually fitted on board.
11. When an ECDIS meeting IMO performance standards is using
official, up-to-date ENCs, it is said to be operating in:
A. ECS mode
B. ECDIS mode
C. RCDS mode
D. Simulation mode
B. ECDIS mode
Only type-approved equipment using official vector ENCs operates in full
ECDIS mode.
Page 4 of 58
