Support sailors to solve the most important problems of maritime.
Nautical Calculators — description
Nautical Calculators Preview. - Calculating for marine navigation, included : +Route Plan; +Plane Sailing; +Traverse Sailing; +Current and wind sailing; +Allowing for current and wind; +Wheel Over; +Meridional parts; +Calculate true wind and apparent wind on a ship running; +Correction of sounding; +Additional calculations; +Google Map and Location; +Nautical Almanac; +Database for Celestial LOP; +Star and Sun LOP; +Fix with two of LOP; +Fix with three of LOP; +Find the name of a star; +Correcting marine sextant altitude of sun and stars; +Rhumb-Line Sailing; +Great-Circle Sailing; +Probability Distribution Function; +Standard deviation and error; - Calculating for marine maneuvering, included : +Course and speed of a target ship; +Closest point of approach(CPA); +Keep watch for a target ship within a range of distances; +Data of station with time, distance and bearing specified; +Determine the ability to reach a target ship going faster; +Avoid collision; +Take a station with : -course specified; -speed specified; -time specified; + Close or open to a target ship in cases : -as quickly as possible; -on a constant bearing; -with time specified; +Maneuver to intercept a target ship running faster; +Maneuver to intercept ahead a target ship; +Time and Distance of intercepting ahead a target ship; +Maneuvering with added calculating of turning; +Close to a target ship as close as possible; -For researching, included : +The international regulations for preventing collisions at sea (COLREG) : Rules, Lights signs, Shapes signs and Sounds signs; +The marine signalization : Flag signalling, Morse signalling by hand, Morse code; +Show maritime buoyage system; +Glossary of Marine Navigation; +Busiest container ports; +World lighthouses system. -Units Conversion in Maritime The interfaces display in two languages : English and Vietnamese. author Vu Cong The. vucongthe@gmail.com
Latest version
Version
4.9.0
Update
Jun 30, 2026
Package ID
com.vucongthe.naucal.plus
What's new
Jun 30, 2026
Improved: +Nautical Almanac; +Database for maneuvering(improved); +Nautical Maneuvering(Graphics); +Location and Mapview; +The Nautical Almanac (moon and the 2026 publication) ; +Font and interfaces; +Database for Celestial LOP. +Plane Sailing and Traverse Sailing; +Colregs(shapes and sound); +Fixed bug in Plane Sailing section, thanks to Captain Noah Smith;