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Route Intended Use (RTT)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: rtt.ttl
- Name
routeIntendedUse- Datatype
- Enumeration
- Definition
- The intended use of a maritime route.
- Description
- Unless stated otherwise, routeing systems are recommended for use by all ships and may be made mandatory for all ships, certain categories of ships or ships carrying certain cargoes, or types and quantities of bunker fuel. Routeing systems are intended for use by day and by night in all weathers, in ice-free waters or under light ice conditions where no extraordinary manoeuvres or icebreaker assistance are required.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Values
- RTT_11 Two-way Route
- RTT_13 Recommended Direction of Traffic Flow
- RTT_17 Q-Route
- RTT_18 Recommended Route
- RTT_2 Recommended Track for Other Than Deep Draft Vessels
- RTT_3 Recommended Track for Deep Draft Vessels
- RTT_4 Deep Water Route
- RTT_5 Transit Route
- Used by
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.