CoNav2.6.3 - App Store

Deck Officer's Tools:

- Compass Error Calculation
- Celestial Navigation
- E.T.A Calculation
- Port UN LOCODE
- Units Converter
- True Wind Calculation

The app runs offline and all calculations are done within the app using precise and sophisticated algorithms.

Compass Error Calculation

64 Celestial Objects.
Precise bearing and altitude.
Automatic calculation of magnetic variation.
Complete calculation according to all requirements.
Suitable for all types of ship logs.
Hiding celestial objects below the horizon is available.

Celestial Navigation

Three position lines for calculating the ship's position.
A function is available for mapping the lines of position and the calculated position of the vessel.
The sunrise and sunset function is available as well as Twilight Nautical and Twilight Civil.

E.T.A Calculation

High precision
Great user interface
Vessel speed adjustment function

Port UN LOCODE

18,000 seaports
Brief information on the seaport

Units Converter

15 Dimensions
Volume
Length
Angle
Mass
Temperature
Speed
Duration
Area
Power
Pressure
Frequency
Energy
Electric Resistance
El. Potential Difference
Electric Current

This app will save you a lot of time and allow you to steer your boat even more safely.
If you have questions or suggestions, please email yvvofficial@yahoo.com or on the Instagram page conav_.

Version History Performance improvements. 2.6.3 Jul 22 Performance improvements. 2.6.2 Apr 7 Performance improvements. 2.6.1 Mar 31 Performance improvements. 2.6.0 Feb 24 Bug fixes, performance improvements. 2.5.9 10/16/2025 Bug fixes and performance improvements. 2.5.8 10/15/2025 Performance improvements. 2.5.7 10/14/2025 Sky View. 2.5.6 10/04/2025 Deviation Card — create, edit, and visualize your ship’s magnetic deviation with a smooth chart and quick data entry. 2.5.5 09/30/2025 Performance improvements, bug fixes. 2.5.4 09/27/2025 Performance improvements. 2.5.3 09/27/2025 Performance improvements. 2.5.2 09/07/2025 Performance improvements. 2.5.1 08/14/2025 We've focused on performance improvements! In this update, we've optimized our code, reduced loading times, and enhanced overall stability to provide you with a smoother, more responsive experience 2.5 04/03/2025 In this release we’ve improved the true wind calculation UI/UX for a more intuitive experience. You can now manually input vessel speed and wind direction—giving you greater control and accuracy in your calculations. Enjoy the enhanced interface and smoother operation! 2.4.9 04/01/2025 Enhanced navigation tools and streamlined workflows. 2.4.8 03/09/2025 The coefficients for the World Magnetic Variation model have been updated to reflect the latest geomagnetic data, ensuring enhanced accuracy in magnetic field calculations. 2.4.7 02/23/2025 Performance improvements. 2.4.6 01/04/2025 General optimizations for a seamless experience 2.4.5 11/25/2024 Performance: Experience faster and smoother performance with the latest enhancements. 2.4.4 08/27/2024 Database Updates: We've enhanced the database for better stability and performance.
Bug Fixes: Addressed several issues to improve the app's reliability.
Performance Improvements: Experience faster and smoother performance with the latest enhancements. 2.4.3 08/20/2024 Database Updates: We've enhanced the database for better stability and performance.
Bug Fixes: Addressed several issues to improve the app's reliability.
Performance Improvements: Experience faster and smoother performance with the latest enhancements. 2.4.2 08/18/2024 Bug fixes and performance enhancements. The Celestial Position Fixing LOP report is now printable. 2.4.1 08/13/2024 Performance improvements. 2.4 04/07/2023 True Wind Calculation 2.3 02/24/2023