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Boat Beacon AIS App saves sailors in fog

by Sail-World Cruising Round-up on 10 Mar 2013
Boat Beacon App .. .
Boat Beacon, a very inexpensive App you can have on your Smartphone, has helped some South African sailors to avoid a collision according to the story they told after the incident. As reported recently by Afloat, the two sailors were on a delivery trip between Cape Town and Durban when their AIS equipment on-board failed and they found themselves in thick fog.

They resorted to the only alternative they had, their Boat Beacon app on their smart phone. This did the job reporting that there was a container ship advancing on them. The only problem was, unlike the AIS, they could not tell the Closest Point of Approach (CPA), so in the foggy conditions, they still had some anxious moments.

Nevertheless, with heightened awareness, the collision was averted. The developers of Boat Beacon have since said that they will add the feature of CPA to the App.

In fact, Boat Beacon was designed and developed by Pocket Mariner’s sea-faring CEO after his own near miss at sea – and provides an affordable and reliable AIS-based collision detection system for iPhone and iPad or Android smartphones and tablets.

About Boat Beacon:
Features:
Real time map view of your boat and boats near you via AIS.
Over the horizon collision avoidance and alarm using Closest Point of Approach (CPA)
CPA calculations and AIS position updates continously in background
Compass mode to sight ships on the map
Current Speed, Course and GPS location
Share your location with friends and family (iOS only at present)
Man Overboard tracking (iOS only at present)
Anchor Watch and Theft Alarms (iOS only at present)
Ship to Ship instant messaging – chat with other Boat Beacon boats. (iOS only at present)
Magnetic or True North setting. (iOS only at present)
MMSI numbers to contact nearby boats on via VHF.

With transmit enabled your boat will appear on other Boat Beacon devices. If you enable AIS sharing and have an MMSI number your boat will also appear on live AIS traffic sites and their associated mobile applications, eg:

AIS Hub
Marine Traffic
Ship finder

Boat Beacon supports iPhone, iPad & Android
Requirements:
iPhone or iPad with GPS. e.g. iPhone 3GS, 4, 5 or later, with an active Internet connection.

Android device with GPS and an internet connection.

Fortunately Cellular data coverage extends up to 15 miles out to sea and most popular boating areas are covered.

For more information, go to http://pocketmariner.com/boatbeacon/

NOT FOR NAVIGATION
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY. Boat Beacon should not be relied upon to determine precise locations, proximity, distance, or direction or make navigational decisions. The author assumes no liability for damages arising from use of this program.
AIS data is sourced from a variety of voluntary shore stations across the world and there is no guarantee of service or availability.
The accuracy of digital compass headings can be affected by magnetic or other environmental interference, including interference caused by proximity to the magnets contained in the iPhone earbuds. The compass may need to be calibrated from time to time. When the device displays the calibration alert, move the device in a figure 8 motion until the calibration screen disappears. See http://support.apple.com/kb/TS2767 for more information.

N.B. This is not an AIS VHF Transponder. Your boat will not show up on other Ship based VHF AIS systems (unless they are linked to a common Global AIS system).
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