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BS 7474(1991) : AMD 8554

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

SPECIFICATION FOR MARINE ECHO-SOUNDING EQUIPMENT
Superseded date

02-15-1995

Published date

11-23-2012

Committees responsible
National foreword
Specification
Section 1. General
1.1 Scope
1.2 Normative references
1.3 Definitions
Section 2. Requirements
2.1 General requirement
2.2 Range of depths
2.3 Range scales
2.4 Method of presentation
2.5 Safety
2.6 Pulse repetition rate
2.7 Measurement accuracy
2.8 Roll and pitch
Section 3. Test methods and required test results
3.1 General underwater test conditions
3.2 Range of depths
3.3 Range scales
3.4 Method of presentation
3.5 Safety
3.6 Pulse repetition rate
3.7 Measurement accuracy
Annex
A Sound absorption coefficient

Describes performance and testing of marine echo-sounding equipment required by Regulation 12 of Chapter V of the International Convention for the Safety of Life at Sea. It establishes, minimum performance requirements, test methods and required test results for equipment which measures the depth of water under a ship by transmitting pulsed acoustic energy and timing the return of the echo from the sea-bed. Covers normative references, definitions, range of depths, range scales, methods of presentation, safety, pulse repetition rate, measurement accuracy and roll and pitch. BS AMD 8554 RENUMBERS THIS STANDARD TO BS EN ISO 9875: 1995

Committee
GME/32
DevelopmentNote
Superseded and renumbered by BS EN ISO 9875 (09/1996)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

IEC 60945:2002 Maritime navigation and radiocommunication equipment and systems - General requirements - Methods of testing and required test results

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