TVMDC Sailing & Marine Navigation Calculator

Navigation

Only for iPhone

$4.99 · Designed for iPhone. Not verified for macOS.

iPhone

A Simple to Use, Marine Navigation Calculator App - for Sailors and Navigators learning to use Charts. The TVMDC App performs three functions: - * Instant TVMDC corrections between True, Magnetic and Compass bearings. * Set & Drift Calculations from two known Fixes. * Calculation of "Course to Steer" (CTS) based upon a Destination while factoring in both TVMDC and 'Set & Drift' corrections. Allows you to move between True, Magnetic and Compass bearings instantly. A True, Variation, Magnetic, Deviation, Compass (TVMDC) Calculator. Ideal for Sailors who are learning to Navigate with Charts. Includes corrections for : Variation, Annual Magnetic Variation Drift, a boat's Deviation, Set and Drift factors. Simple to use: Input values form the your nearest Chart's Compass Rose: including Variation and Annual Increase. Along with your boat Compass's Deviation. The Calculator will instantly correct between any: True, Magnetic and Compass bearings. Add two known fixes along with your boat's Heading and Speed through the Water. Press Calculate and the App will display your calculated "Set and Drift" values along with a graphical sailing triangle. Any heading or bearing is adjusted for Magnetic Variation and Deviation. Add your Destination and the Calculator will provide your best Course to Steer: factoring in TVMDC and Set and Drift errors. American Sailing Association (ASA) course 105 (Navigation) is an ideal back ground for the App. Also, wikipedia's TVMDC description : http://en.wikipedia.org/wiki/TVMDC YouTube TVMDC App Introduction tutorial: https://www.youtube.com/watch?v=u4d5wCgPxwg Extensive Help at: http://www.arintoapps.com Runs on iPhones 5, 6 and 6+, 7, 7+ in Portrait mode ONLY. Planning on new versions and extensions; so please feedback feature requests?

Ratings & Reviews

  • 3.0
    out of 5
    2 Ratings

This update from Apple will improve the functionality of this app. No new features are included. Improved usability with new dynamic color of Calculate button to help user understand when inputs have changed or not. Improved textfield inputs now do not require user to hit return to input values. Updated for iOS 10.x Minor bug fixes.

Version 4.0

The developer, peter hopper, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

  • No Details Provided

    The developer will be required to provide privacy details when they submit their next app update.

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • peter hopper
    Size
    • 13.8 MB
    Category
    • Navigation
    Compatibility
    Requires iOS 8.2 or later.
    • iPhone
      Requires iOS 8.2 or later.
    • iPod touch
      Requires iOS 8.2 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © Arinto Apps
  • Developer Website

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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