JM-Watcher(J-Marine App)

JM-Watcher is an application for small vessels,
which can alert you to the approach of
large vessels.

* Moreover, the service area is expanding on Apr 2016.

The First of J-Marine Applications(Free)

JM-Watcher alerts you to the approach of large vessels.

JM-Watcher is a useful application for small ships, which can alert you to the approach of large vessels. Especially, “AR” function is useful for you when you are in the night and/or low visibility due to dense fog.

iOS

Download on the Apple Store

Android


Application Functions

  • This app alerts you with sound and vibration, if the large vessels are into the “Guard Zone”.
  • ”Guard Zone” range is up to 5nm.
  • The AIS information is layered on the camera view in using the “AR” function.
  • The AIS information is regularly and automatically updated around yourself about 5.4nm.

Coverage Area

: Coverage Area

: Coverage in Preparation

Coverage Area

  • ・Tokyo Bay
  • ・Suruga Bay
  • ・Osaka Bay
  • ・Seto Inland Sea – Hiroshima Bay
  • ・Seto Inland Sea – Aroud Ube City
  • ・Seto Inland Sea – Around Imabari City
  • ・Bungo Channel
  • ・Around Sendai City
  • ・Tsugaru Strait
  • ・Around Wakkanai City
  • ・Around Rumoi City
  • ・Ise Bay
  • ・Around Hachinohe City
  • ・Around Niigata City
  • ・Around Sakaiminato City

Coverage in Preparation

  • ・Around Kagoshima City

Coverage Map

Display image

  • Night modeNight mode
    Adjusting of display brightness for night mode
  • Displaying the estimated position and courseDisplaying the estimated position and course
    Displaying the estimated 5 minutes later position and course from the AIS based information
  • Supporting Apple WatcSupporting Apple Watch
    JM-Watcher is available on Apple Watch.

iOS

Download on the Apple Store

Android

* This application can support your navigation, but does not guarantee the safety of your vessel.
* Compatibility with iOS 8, iPhone (recommendable) and iPad (Necessary to correct by GPS separately.)
* Compatibility with Android OS 4.0 or higher and memory 1 GB or higher (recommendable)
* Apple, the Apple logo, iPad, iPhone are trademarks of Apple Inc., registered in the U.S. and other countries.
* The iPhone trademark is used under license from AiPhone Co., Ltd.
* App Store is service marks of Apple Inc., registered in the U.S. and other countries.
* Google Play, the Google Play logo, Android and the Android logo are trademarks or registered trademarks of Google Inc.
* QR Code is trademarks of Denso Wave, Inc.

Read the PDF version of this page

: Coverage Area

: Coverage in Preparation

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