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Requirement for Electronic Chart Display - Coggle Diagram
Requirement for Electronic Chart Display
IMO A.817
All ships must have
Nautical chart...
ECDIS might be accepted
Back up if
nautical chart is electronic
ECDIS operational modes
ECDIS
ENC data
RCDS
together with
up to date paper charts
Nautical publication (chart)
might be issued
by Government authorized Hydrographic Office
Electronic Chart Formats
Raster
Vector
Voyage recording
Minimum of 12h
1-minute interval
recorded INF
Time
Position
Heading
Speed
Para filmar, depende do TEMPO, qual POSIÇÃO, VELOCIDADE devagar e botando a CABECINHA
recorded ENC INF
Source
Edition
Date
Cell
Update history
System back up
Requirements
enable transfer to back up
during critical navigation situation
allow navigate to termination
using back uo
Types
2nd independent ECDIS
ECDIS with RCDS mode
Paper charts up-tp-date