MRIT (MARINE RADAR INTERROGATOR-TRANSPONDER) NAVIGATION AID EXPERIMENT
This report describes a simulation experiment in which the track-keeping using a Marine Radar Interrogator-Transponder (MRIT) to fix a ship's position proved to be four times more accurate than track-keeping using conventional systems. The experiment investigated the practical use of MRIT by comparing the navigating capability of mariners using five navigational modes: visual, radar, racom, MRIT with digital display, and MRIT with analog (graphic) display. A MRIT simulation providing very precise (within 50 feet) position information was constructed at the Computer Aided Research Facility (CAORF), as was a simulation of a narrow channel. The performance measures used for analysis were (a) ability to keep prescribed track, (b) number and magnitude of course changes (frequency of course changes increases and magnitude decreases when position data is presented more frequently and accurately), (c) psychological reactions that indicate test subjects' workload.
- Sponsored in part by Maritime Administration, Washington, DC. Office of Commercial Development.
National Maritime Research Center, Kings PointComputer Aided Operations Research Facility
Kings Point, NY United States 11024
Washington, DC United States 20590
- Publication Date: 1978-5
- Pagination: 62 p.
- TRT Terms: Accuracy; Channels (Waterways); Evaluation; Maneuvering; Navigation radar; Navigation systems; Position fixing; Radar; Radar beacons; Radar beacons; Radar devices; Radar tracking; Radio transmitters; Ship pilotage; Ship simulators; Simulation; Transponders; Waterways
- Old TRIS Terms: Narrow channel navigation; Navigation systems evaluation; Position finding; Simulated waterways; Surface navigation; Tracking position
- Subject Areas: Marine Transportation; Operations and Traffic Management;
- Accession Number: 00327405
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: CAORF-34-7801-01 Final Rpt.
- Files: TRIS, USDOT
- Created Date: Feb 18 1981 12:00AM