Page 68: of Maritime Reporter Magazine (April 1998)

International Standards for ECDIS: Current Status

ECDIS

IMO Performance Standards

Performance Standards for

ECDIS were formally adopted by the International Maritime

Organization (IMO) on November 23, 1995 and issued as IMO

Resolution A19/Res.817. These

Performance Standards are the same as those first approved in draft form by the Maritime Safety

Committee of IMO in May 1994.

Back-up arrangements for ECDIS were adopted by IMO in November 1996 and became Appendix 6 to the Performance Standards. The

IMO Performance Standards per- mit National Maritime Safety

Administrations to consider

ECDIS as the legal equivalent to the charts required by regulation

V/20 of the 1974 SOLAS

Convention. IMO has specifically requested that Member

Governments have their National

Hydrographic Offices produce elec- tronic navigational charts (ENCs) and the associated updating ser- vice as soon as possible, and to ensure that manufacturers con- form to the performance standards when designing and producing

ECDIS.

IHO Data Standards and

Display Specifications

In conjunction with the IMO

Performance Standards for

ECDIS, the International

Hydrographic Organization (IHO) developed technical standards for the digital data format and dis- play. IHO Special Publication 52 (IHO S-52) is the IHO

Specification for Chart Content and Display of ECDIS.

It includes appendices describ- ing the means/process for updat- ing, color and symbol specifica- tions, and a glossary of ECDIS- related terms. The fourth edition of IHO S-52 was issued in

December 1996. IHO Special

Publication 57 (IHO S-57) is the

IHO Transfer Standard for Digital

Hydrographic Data that was for- mally adopted as the official IHO standard at the XIV International

Hydrographic Conference,

Monaco, May 4-15, 1992. It includes an object catalog, DX-90 format, an ENC Product

Specification, and ENC updating profile. The current edition (Edition 3.0) was released in

November 1996, and will be "frozen" for three years. Both IHO

S-57 and S-52 are specified in the

IMO Performance Standards for

ECDIS.

IEC Testing Standards

The International

Electrotechnical Commission (IEC) developed an ECDIS

Performance Standard that identi- fies and describes the necessary performance tests and checks for

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