
Professional navigation software for Windows, covering 2026-2030. Calculate positions at sea using celestial observations, sextant data, and route planning tools for reliable maritime navigation.
Data sheet
Specific References
Master the art of celestial navigation with this comprehensive software and reference publication, designed for mariners who demand accuracy and reliability. This essential tool combines advanced astronomical calculations with user-friendly functionality, allowing navigators to determine their position at sea using celestial observations of the Sun, Moon, navigational planets, and stars. Covering the period from 2026 to 2030, it provides a robust solution for those who require an independent means of navigation, free from electronic dependencies.
Developed by a leading hydrographic authority, this software is the go-to resource for the Royal Navy and professional mariners worldwide. It delivers unparalleled precision in calculating positions from sextant observations, offering a critical backup for electronic navigation systems. Whether you're navigating open oceans or coastal waters, this tool ensures you have the data you need to maintain course with confidence.
This publication includes compact ephemerides for the Sun, Moon, navigational planets, and stars, enabling accurate position fixes without relying on external data sources. The software simplifies complex calculations, such as sight reductions, great circle and rhumb line routes, and celestial body rise and set times. With its intuitive interface, mariners can quickly input observations and receive precise navigational data, reducing the risk of human error in critical situations.
Compatible with Windows-based PCs, this software is optimized for ease of use, making it accessible to both seasoned navigators and those new to celestial navigation. The package includes a CD-ROM containing the software, along with a detailed manual and compact ephemerides, ensuring you have everything required for accurate and efficient navigation. The paperback edition provides a durable, portable reference that can be used alongside the digital tools, offering flexibility in any maritime environment.
In an era where electronic navigation systems dominate, this software serves as a vital backup, ensuring that mariners can navigate safely even in the event of electronic failure. It is particularly valuable for long voyages, remote areas, or situations where GPS signals may be unreliable or unavailable. By integrating traditional celestial navigation techniques with modern computing power, this tool bridges the gap between the past and present, providing a dependable solution for today's maritime professionals.
For commercial mariners, having a reliable method of celestial navigation is not just a best practice—it’s a requirement for compliance with international maritime safety standards. This software and publication ensure that navigators can meet these standards while maintaining the highest levels of safety at sea. Whether used for training, emergency preparedness, or daily navigation, it is an indispensable resource for any professional mariner.
Unlock Precision Navigation with DP330 NavPac and Compact Data 2026-2030
Step into the future of celestial navigation with this cutting-edge software and reference package, engineered to deliver unmatched accuracy for mariners navigating the world's oceans. Designed for professional use, this tool combines the timeless art of celestial navigation with modern computing power, offering a seamless solution for calculating positions at sea using observations of the Sun, Moon, navigational planets, and stars. Covering the period from 2026 to 2030, it ensures you have the most up-to-date astronomical data at your fingertips, making it an indispensable resource for long voyages and remote maritime operations.
Advanced Tools for Modern Mariners
This software is more than just a navigation aid—it’s a comprehensive system that simplifies complex calculations, from sight reductions to great circle and rhumb line routes. With an intuitive interface designed for Windows-based PCs, it allows navigators to input sextant observations and receive precise position fixes in seconds. The package includes a CD-ROM with the software, a detailed manual, and compact ephemerides, providing everything needed to navigate with confidence. Whether you're a seasoned mariner or a professional in training, this tool ensures accuracy and reliability in every calculation.
A Trusted Resource for Naval and Commercial Use
Trusted by the Royal Navy and commercial mariners worldwide, this software is the gold standard for celestial navigation. It serves as a critical backup to electronic navigation systems, ensuring that you can maintain course even in the event of GPS failure or signal disruption. The paperback edition of the compact data offers a durable, portable reference that can be used alongside the digital tools, providing flexibility and peace of mind in any maritime environment. With a shipping weight of 1.9 kg and a compact design, it’s easy to store and transport, making it ideal for use on any vessel.
Built for Safety and Compliance
In today’s maritime industry, safety and compliance are non-negotiable. This software ensures that you meet international maritime safety standards by providing a reliable, independent method of navigation. It’s not just a tool—it’s a safeguard for your crew, your vessel, and your cargo. Whether you're navigating open waters or coastal routes, this software delivers the precision and reliability you need to operate safely and efficiently. With a version update (v4.2) and successor version (v4.3) on the horizon, you can trust that this tool will evolve to meet the demands of modern navigation.
This navigation software and reference publication is designed for Windows-based PCs, offering a robust solution for celestial navigation from 2026 to 2030. It includes compact ephemerides for the Sun, Moon, navigational planets, and stars, along with tools for calculating positions from sextant observations, great circle and rhumb line routes, and celestial body rise and set times. The package features a CD-ROM with the software (version 4.2), a detailed manual, and a paperback edition of the compact data, all weighing just 0.10 kg (shipping weight: 1.9 kg).
With a legacy rooted in hydrographic excellence, this brand is synonymous with precision and reliability in maritime navigation. As a global leader in hydrographic data and nautical publications, it provides essential tools trusted by naval forces, commercial mariners, and maritime professionals worldwide. Its products are designed to meet the highest standards of accuracy and safety, ensuring that navigators have the resources they need to operate with confidence in any maritime environment.
The software provides celestial navigation data for the period from 2026 to 2030.
The software is designed to run on PCs with Microsoft Windows operating systems, though specific version compatibility should be verified in the system requirements.
Yes, it offers tools for calculating both great circle and rhumb line routes.
Yes, the software is supplied on CD-ROM and includes a physical manual along with compact ephemerides.
This version of the software expires on December 31, 2025.
Yes, it includes tools to calculate the times of sunrise, sunset, and other celestial events.
Yes, it is utilized by the Royal Navy and other navigators requiring an independent means of navigation.
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