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Seamanship - The Personal Locator Beacon - It Locates You!

When the perfectly calm day sneaks up on you while you are day-dreaming and turns into a snarly, life-stealing beast, all your training rushes to the front of the “screen.” But sometimes, all your skill isn’t going to get you home. And sometimes the boat itself is what betrays you as she threatens to slip away beneath you. You are going to be hard to find – unless you are sending a personal signal to the satellite who will call the USCG for you. This column is about that. Trained in Saving Yourself In the past, weve written about the various locator devices and how they were evolving. One of those devices, the “PPIRB” (pea-purr-b) is a Personal EPIRB. This is what we now call a “PLB” or Personal Locator Beacon. You wear it on your person. It also has the built-in GPS. When you attain a coxswain rating in the USCG Auxiliary (the person responsible for the boat, the crew and the mission), the USCG gives you a PLB. “Even if you go hiking, take this with you. If you get lost, we’ve got too much invested in you not to come get you!” Be aware that there are private companies now that offer devices that can locate you while you are underway and offer rescue notification services. I have no fully formed opinion of them, pro or con, but if I am not registering myself and my device with NOAA (http://www.beaconregistration.noaa.gov/), then I have to figure that my call for help has to pass through at least one additional set of hands… Back in the day… The old model EPIRBs transmitted on dual frequencies of 121.5 and 243 megahertz (MHZ). This was hopefully picked up by passing planes and satellites. It could take 4-6 hours for someone or something to pass overhead before it reached the USCG. Also, the footprint that you were within could be as much as 12 square nautical miles. That is a lot of real estate and a lot of water to cover. On the USCG website (www.navcen.uscg.gov/marcomms/gmdss), it says that the 121.5/243MHZ devices are “no longer recommended.” The State of the Art… Interestingly, the 121.5MHZ frequency is favored for radio direction finding (RDF). So the newest EPIRBs now transmit simultaneously on 406MHZ and 121.5MHZ. The 406 reduces the footprint to 1 square nautical mile. And the 406MHZ is heard by satellites all over the world and, within an hour, the USCG RCC will have commenced coming to your aid. And the rescuers will also be looking for your EPIRB’s 121.5MHZ signal with their RDF gear. In heavy seas, that may very well be the difference between passing right by you while you are in the trough – or knowing that you are just over the next wave… But My Boat Has An EPIRB Good! I just hope you don’t fall off the boat… Or, as the tale below details, your EPIRB battery, which you dutifully replaced (as I just did!) by shipping it to the lowest-cost provider of battery replacement services that could be found on the internet, doesn’t fail at the time that it is most needed – as you grab it in an abandon ship scenario…

I read everything about the sea that I can get my hands on – hard copy, electronic, notes in bottles… Back in 2010, Ocean Navigator magazine published a story by Fredrick Gary Hareland about this same subject and I saved it as an object lesson. Mr Hareland recounted in his story the following about the crew of a 57’ vessel making way from Hong Kong to Phuket when disaster struck: “In closing, I must inform you that our crew and passengers on board that 57 footer were all rescued thanks to the master’s back-up PLB. Turns out the EPIRB failed to deploy, but that little handheld PLB got the alert through and the victims are toasting it and each other while retelling their recent adventure.” Redundancy will look very cheap and very smart, if/as/when… and they fit in your pocket. BTW, if you are interested in being part of USCG Forces, email me at JoinUSCGAux@aol.com or go direct to the D1SR Human Resources department, who are in charge of new members matters, at DSO-HR and we will help you “get in this thing…”

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