Spalding, Jay U.S. Coast Guard R&D Center, Groton, Connecticut.
Moody, Capt. Alton B. Formerly, Navigation Consultant, San Diego, California.
Grabowski, Martha R. Department of Decision Sciences and Engineering Systems, Rensselaer Polytechnic Institute, Troy, New York.
Greenspan, Richard L. The Charles Stark Draper Laboratory, Cambridge, Massachusetts.
Last reviewed:January 2020
- Dead reckoning
- Celestial navigation
- Electronic navigation
- Vessel traffic services
- Traffic-separation schemes
- Shipboard systems
- Related Primary Literature
- Additional Reading
The process of directing a watercraft to a destination in a safe and expeditious manner. From a known present position, a course is determined that avoids dangers, and on this course estimates are made of time schedules. The task is to make periodic adjustments using en route measurements of position or heading and speed.
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