Please rank the following (future) AIS features in order of importance for safe navigation (the features are explained in Chapter III of this appendix):
1. Display a target's rate of turn as a number followed by "P" or "S".
2. Label targets with ship's name or Call sign
3. Consolidate (Fuse) ARPA and AIS targets
4. Relay ARPA target information to others
5. Enable exchange of vessel traffic related messages with targets
6. Display a target's hazardous cargo information
7. Display information about a target's unusual maneuvering limitations
8. Display a target's characteristics (GRT, Ship Type, LoA, draft, number of barges, barge dimensions)
9. Display navigational aids (displaced bouys, temporary hazards, traffic separation zones, range markers, etc.) as AIS targets
10. Use AIS to receive Differential GPS corrections when direct broadcasts are not available.
11. Display a targets voyage information (Destination, ETA, current waypoint, current route)
12. Other (Specify)

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