ACR ARTEX

The Science Of Survival


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ACR Electronics and Their Boating Safety Partners Remind You APRIL 6th (Wednesday 4/06) is “406Day”

406Day_Postcard4x6_WEBONLY with all websites

“406Day” is a time to celebrate lives saved and create awareness on the responsibilities of 406 MHz beacon ownership.

 April 6th was proclaimed “406Day” by ACR Electronics, Inc. in 2013. It is a time to celebrate the over *40,000 lives saved by using 406 MHz beacons and the Cospas-Sarsat Satellite system. The day is intended to create online awareness on the benefits and responsibilities of owning a 406 MHz beacon; such as an Emergency Position Indicating Radio Beacons (EPIRBs), Personal Locator Beacons (PLBs) or Emergency Locator Transmitters (ELTs).

What started off a few years ago as just a photo share contest on social media, has now become increasingly relevant as there are two items of legislation relevant promoting 406 MHz beacon ownership. On the national level, a bill was introduced offering an IRS incentive to persons who purchase a beacon. In Florida, Governor Scott recently signed a bill which, on average, will give boaters an average of a 15% to 20% discount on their boater registration fee annually *with proof of proper NOAA registration.

“406Day” has not only created **social media buzz but has also created useful content and has opened meaningful dialogue regarding safety precautions in the boating industry. ‘406Day’ should continue to grow with strategic partners in the multiple facets of the maritime industry, who have made the day what it is today,” shared Nichole Kalil, ACR Media Specialist. “406Day occurs during spring when most of the nation is gearing up for summer boating, the timing to share boating safety messages is perfect”, she added.

Some of the past and present “406Day” boating safety partners are as follows: National Safe Boating Council, Bonnier Group, AustinBlu Foundation, NOAA, Active Interest Media Group, USCG, OAR Northwest, George Poveromo, Sea Tow, Liquid Fire Fishing Team, ACA Paddle Sports, Boat US Foundation, Seminole Hard Rock Winterfest Parade, and West Marine.

*Source: Since the mid 1980’s 406 MHz beacons have saved approximately 40,000 lives worldwide. To learn more about 406 MHz beacons please visit NOAA’s website at: www.sarsat.noaa.gov.

**On social media search and post using: #safeboating #406Day and #savedbythebeacon

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Len & Lisa, ACR Survivors Use TWO Beacons for TWO Different Rescues

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ACR Electronics shares a first: within just six months a SurvivorClub replacement Emergency Position Indicating Radio Beacon (EPIRB) saves a crew of three and their dog from the raging seas of the North Atlantic.

Just this past October, and without warning, Len and Lisa Rorke’s sailboat rudder broke and drifted away leaving the sailboat without any means of steering, forcing Len to activate their EPIRB. Their ACR GlobalFix iPRO EPIRB signal was received by the USCG who coordinated their rescue with a local fishing trawler which was 20 miles away. The good Samaritans aboard the trawler pulled the Rorkes, and their Jack Russell Terrier, Dexter, up on board and took them back to safety.

To everyone’s shock and disbelief not even six months later, lightning struck again. This time the couple, Dexter and a crew mate Henri Worthalter were 13 days into crossing the Atlantic Ocean, from the Turks and Caicos Islands, heading to the Mediterranean via The Azores. Their journey ended with two days of gale force winds and high seas which broke the rudder and aft bulkhead on their sailboat,The Blue Pearl. “We were 950 nautical miles from the Azores (about halfway between the Azores and Bermuda), and could not have been further from land if we tried. We had been battling heavy weather for a week and the last two days of storms battered our boat so badly that it sank right in the middle of the North Atlantic in huge seas, strong winds and in the dead of night”, stated Len, Captain of The Blue Pearl.

ImageForced into a life raft 900 miles north of Bermuda, the couple watched as their home sank before their eyes.  As fate would have it, their new EPIRB given to them just months before by ACR Electronics as part of the SurvivorClub program was put to proper use.  They activated the EPIRB once they got into their life raft and within minutes the EPIRB sent the USCG the exact location of the displaced crew.

The USCG District Command Center located two ships to help with the rescue the Tilda Kosan, a 351′ tanker, which was 32 nautical miles to the south of their position and an automated mutual-assistance vessel rescue ship (AMVER). The tanker reported they were six hours away from the EPIRB’s location and would divert off course to assist the distressed mariners. Around 12:30 a.m. the tanker located the life raft with Len, Lisa, Henri and Dexter whom the USCG previously identified.

Clearly relieved, Len said “We were extremely lucky to have survived but that luck came because we did everything right and without a question because we had properly registered our EPIRB, once again, with the US Coast Guard.”

Rescued, recovered but now homeless, the Rorkes are in good and grateful spirits despite watching their sailboat, their home just drop to the bottom of the ocean.  Their crewmate, Henri returned home to Europe but the Rorkes and Dexter were transported to Bermuda and then flown into South Florida. Currently they are residing at a good Samaritan’s home in Jupiter, FL while regrouping and raising money to join their family in the United Kingdom.

To read both of the Rorke’s survival stories please visit SurvivorClub.com.

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406Link.com ACR Electronic’s Advanced Satellite Testing System

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ACR/ARTEX is proud to bring you 406Link.com, the first and only advanced satellite testing system used to receive self test notifications (SMS/Email) from your ACR Personal Locator Beacon, EPIRB, or Artex 406 MHz ELT. This optional subscription service is designed to enhance the functionality of your ACR or ARTEX 406 MHz beacon and provides you and your loved ones with the peace of mind of receiving your satellite test message directly on your cell phone or email.

Once you subscribe, a successful self-test will trigger an email and SMS text message notification to you and/or your loved ones. By choosing the Plus plan, you will also be able to have a customized message sent to your list of contacts. In addition, when conducting a GPS self-test, your actual location will appear on a map and be sent to your contacts along with your message. You and your loved ones will breathe easier knowing that your beacon is working properly should you ever need to use it in an emergency.

Try our Free Trial and use the service free of charge for two days (no credit card or automatic renewal required). You will quickly realize the amazing value and ease of use of 406Link.


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What a Survivor should pack in their Rapid Ditch Bag

Abandon Ship List
by safety consultant Charlie Bond, AMSEA Instructor

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The following is a list of items that you might consider as you put together your own Ditch Bag. No list can be considered complete. These items are grouped into broad categories and for the most part reflect the useful items used in emergencies or in survival training. Much of this equipment is based on long term survival which might not be an issue for mariners with a properly operating 406 EPIRB or PLB on board.

Your Ditch Bag and your EPIRB must be stored where you can get it without re-entering your vessel. Some vessels mount their Ditch Bag also referred to as an Abandon Ship bag under the companion way ladder or in a deck or cockpit locker. You and your crew must train to grab the abandon ship bag and bring it with you in any emergency. It is safer to have to put it back when everything turns out okay than to try and grab it after the emergency has begun, especially in the case of fire or rapid sinking. Where possible, everything should be designed to be secured to the raft.

Signaling

406 EPIRB – Your most important signaling device. You must be able to get to it in any emergency. If kept in the abandon ship bag, the bag must be able to be reached without having to reenter the vessel in distress. Many vessels mount their EPIRB in a quick release bracket just inside the companionway or by the pilot station.
406 PLB – Personal Locator Beacon Pocket sized 406 beacon, can be packed in a life raft, attached to lifejacket or immersion suits or stowed in an abandon ship bag. They are manually activated.
Waterproof VHF & batteries – To call & talk with vessels (line of site) or communicate with rescuers.
Portable Aircraft radio – Will allow you to talk with over flying commercial aircraft, often 10s of thousands feet above you. If you see a vapor trail, you might be able to raise them.
Waterproof GPS & batteries – A good way to provide your exact location and acts as a backup for your ships system.
Flashlight & batteries – A powerful flashlight that can light up objects or attract attention.
Floating Flashlight & batteries – A backup floating flashlight, the brighter the better.
Whistle – Marine style whistles are best when at water level, however in a raft a police style whistle on a lanyard will do. Have one for each person.
Fog Horn – Mouth or canister operated, you may want to make as much noise as you can. The canister is louder; the mouth type operates as long as you have breath.
Signal Mirror or Heliograph – The fancy Heliograph takes some training to use, a good mirror does the same thing. Reflect the light on your outstretched hand and move it towards who you want to signal, move your hand away and wiggle the mirror.
Strobe Xeon & batteries – Strobes, like an EPIRB, are passive signals, once activated they keep on working while you can do other things to save your life. Strobes are visible under almost all conditions from over 10 miles away by aircraft, twice that with night vision. Strobes work for more that 8 hours with new batteries.
Flares SOLAS, Handheld – 2 minutes of brilliance, and a class D fire hazard. Flares should be handled with care. Know what you are doing and use them wisely, two minutes is not a long time at sea. Keep them away from your survival craft, pointed down wind and watch that the hot slag drops away from your survival craft.
Flares SOLAS Parachute – Can be seen if you can see the vessel. Can focus attention on where you are once vessels reach the area and are looking for you. Read instructions before you have to use them.
Cylume light sticks – Cold light. Use to read, make notes, attract fish, or just to provide comfort. Can also use PFD lights or waterproof LEDs.
Shelter
Spare air pump (that matches your raft) – Tie your pump into the raft. A spare pump set up to work on your raft will allow you to keep your raft firm and more comfortable.
Duct tape – 100 mile per hour tape, will sometimes work miracles. There are also tape and patches that can be used on wet surfaces.
Nylon cord – Hang clothes to dry, secure bags, string fish to dry.
Sail repair kit and safety pins – repair clothes and equipment
TPA – Thermal protective Aid – sort of a space blanket made as a bag you can wear. When insulated from the water, they are very effective at reflecting your body heat back to you, plus they can keep you dry.
Closed cell padding, ie camping pads – Even a boat cushion will feel good, especially since where ever you sit is the lowest spot for water to settle. A closed cell pad allows you to stay dry. It also affords you more protection from big fish eating the little fish under your raft.
Garbage & plastic bags – Can be made into a waterproof jacket, used to keep other things mostly dry or just to keep things together.
Ziplock bags – Valuable stuff can be kept almost dry and is accessible when you need it, notes, food, books

Tools
Matches – Waterproof and in a waterproof container.
Lighter – a back up to matches, not a replacement.
Candle – Not for the raft, unless you are celebrating your birthday, for starting a fire under shore survival.
Fire starters – They work even under the wettest conditions and if you have prepared your burning materials, you should be able to get a fire going almost anywhere.
Utility knife/tool ie, leatherman or Swiss Army – Need I say more, if you have to do anything, one of these attachments will make you life easier.
Sharp knife with case or a folding knife – If you catch fish, then a good knife will make your preparation easier. Be careful when using a sharp knife while in an inflatable raft.
Blunt knife folding – For use during bad weather. Much less dangerous aboard a raft, but you must still be careful.
Floating cutting board – For use with your knife, tied to the raft. One can also use paddle blade.
Sharpening stone – A dull knife is dangerous.
Scissors/Shears – Another useful tool.
Self-sufficiency
Fishing Kit – Hooks, line, sinkers, attractors, either make your own or purchase a SOLAS one from a raft repacker.
Gaff – A short handled gaff will allow you to secure and hold a fish that appears too big for your raft.
Spear Gun – for when they are not biting. Larger fish often circle the raft or dart under it; a spear gun with cord attached could make your day much brighter.
Landing net – Ditto above under gaff.
Documents
Documents – Your vessel documents, logbook, everyone’s wallets, photographs etc. in a waterproof bag.
If all the wallets, credit cards & passports are in the ditch bag, Then everyone will always have what they need no matter who rescues you and what country you might end up in.
Passports – Well, who knows where you will be going next. If they are all in bag, everyone will have theirs.
Money & bankcard – Don’t leave home without it – waterproof of course.
Note pads & pens & pencils – Where memories are made, thoughts about loved ones, and navigation notes.
Charts & Navigation tools – Know where you are, currents, shipping lanes, also can be used as a note pad.
Paperback novels/Bible – You will have some time on you hands. Also, Plastic Playing cards
Utilities
Bottled water – Plastic bottles with a little air on top float. If one bottle gets contaminated the others will still be OK. When empty they are reusable, for rainwater, water from a watermaker, or even to pee in when the weather is not so nice. Easier to use and reusable unlike foil packed water.
Water Maker, hand operated – Make all the water you’ll need and gives you a break from reading the novel.
Food – Survival biscuits – Not the best tasting unless you are starving, then they are great. Eat only with water.
Look for high energy long storage foods. Select foods that are not heavy on water use in their metabolism. There are many good reference books on survival foods.
Vitamins – Will help keep you at your best. Use only if you have some food and water.
Wool or poly caps and gloves – You lose 50% of your heat through your head and neck. Cold feet, don a cap.
Wool or poly underwear – Good quality ones are washable, and wick moisture away from your skin, making you feel more comfortable. They also provide sun protection without retaining heat. When covered they do help with heat retention.
Bandanna – Cotton & colorful, Cool your head, attract attention, use as a quick bandaid, use as a wash cloth, use as a towel or to wrap things that can be broken.
Small Towel – Can be used as a bandanna
GI style can openers (2) – Just in case you had a chance to empty the pantry, can be used to gut a fish also.
Sponge, large in ziplock bag – To back up the raft sponge. Use for bailing, bathing. Place a soap bar in the bag and you can lather up yourself or your utensils.
First Aid Kit – Know what is in it and how to use it. Read the first aid book before you cruise.
Eyeglasses/Sunglasses – Spare eyeglasses and polarized sunglasses to see and reduce glare.
Toothbrush – If you add toothpaste, it can change the way you feel.
Dental floss – Handy, not only for cleaning teeth, but repairing a variety of things.
Anti Seasickness pills – Rafts are only better than being neck deep in water. These will help you prevent dehydration caused by vomiting.
Toilet paper in ziplock bag – There are no Sears catalogs at sea.
Portable or disposable urinals-unisex – It can be very useful in bad weather.
Bug repellent – In some oceans, this can be useful, shoreside it can be critical.
Prescription medicines – Any specific medication should be packed into the bag,
Aspirin – Ibuprofen – Sometimes a wonder drug.
Tampons and or feminine products – To make your life easier.
30+ waterproof sunscreen – To protect you skin.


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Cautionary advice when buying beacons and survival gear online

5 quick buying tips NOT to miss

when buying a beacon from an online auction or personal on line listing!

  1. Know what beacon is right for the type of activity you enjoy doing. Read the guide below. (Boaters = EPIRB, Pilots = ELT, etc.)
  2. Find out if the beacon is Brand New and Unregistered or Used (Registered to previous owner).  If the beacon is used and has been previously registered, the current owner will need to contact NOAA (in the USA) and notify them to cancel their registration so that the new owner can properly register it.
  3. If you are buying and EPIRB, Personal Locator Beacon or ELT that has a dedicated Lithium battery, ask for the battery expiration date.  Know how many years are remaining on the battery before you buy it.
  4. Ask the seller for the country code in which the beacon is programmed.  If the beacon is programmed for the United States and you live in Australia or a country other than the United States, your beacon will need to be reprogrammed for your country (a reprogramming fee will apply) before you can register it.
  5. Have a question?? – Contact the manufacturer before you purchase.

Understanding the Difference between Safety/Signaling and Survival Beacons

Emergency Position Indicating Radio Beacons (EPIRBs) – For BoatersACR GlobalFix iPRO EPIRB with built in GPS, GPS Interface and Digital Display
An EPIRB is a critical piece of last-resort lifesaving gear on your boat when you are out of range of a VHF radio, smartphone or other means of communication. EPIRBs are small radio transmitters, connected to a global government-run satellite network (Cospas-Sarsat), which is used worldwide to alert Search and Rescue agencies in the event of a dire emergency. Used only when all other means of rescue or communication have failed, these emergency beacons can be activated if your boat is in danger of sinking, or if you have a life-threatening accident or medical emergency.

EPIRBs are required to activate and transmit when they are removed from their brackets and immersed in water or manually activated in/out of the bracket. Category I brackets will automatically deploy the beacon when submerged between 3′ and 14′, while Category II brackets need to have the beacon released manually.

Personal Locator Beacons (PLBs) – For any outdoor enthusiastACR ResQLink Personal Locator Beacon with built in GPS
Personal Locator Beacons, which use the same frequency and technology as an EPIRB, can be carried with you just about anywhere. They provide the same worldwide coverage as EPIRBs, and can rescue hunters, hikers, kayakers, climbers, pilots, boaters and most any outdoor enthusiast. PLBs are different from EPIRBs in some important ways. Their battery life (24hr. minimum transmit time) is often half that of an EPIRB. PLBs are not required to float or have a strobe light (but many do), and are manually deployed and activated. Like 406 MHz EPIRBs, PLBs have an additional 121.5MHz homing signal to help planes, helicopters and other searchers find you.

Emergency Locator Transmitter (ELTs) – For AircraftARTEX ME406 Emergency Locator Transmitter (ELT)
An Emergency Locator Transmitter (ELT) is an aircraft distress beacon that can be manually or automatically activated to transmit a 406 MHz emergency signal to the Cospas-Sarsat satellite system. ELTs that activate automatically use a “G-Switch” (gravity switch) that triggers the ELT when it senses that a crash has occurred. With ELTs, Search and Rescue teams may more easily pin-point the exact location of a downed aircraft. Section 91.207 of the Federal Aviation Regulations states that no person, as well as Part 121 operators and operations governed by Part 135, may operate a U.S. registered civil aircraft unless an approved automatic type emergency locator transmitter is attached to the aircraft. Similar regulations are established by aviation authorities throughout the world.

As of 2009, traditional 121.5 MHz ELTs are no longer monitored by satellite. The system has been replaced by a far more powerful and robust system operating on 406 MHz. When you upgrade your ELT to 406 MHz, you will have peace of mind knowing you can be found quickly in the event of an emergency or unplanned landing. If your aircraft currently has an older 121.5 MHz ELT it’s still important to have an upgraded 406 MHz ELT that can automatically transmit a distress signal with your location. Without upgrading your ELT, it can take days or sometimes weeks to locate a crash scene. Upgrading your ELT means rescuers will know within minutes that you’re in distress, who you are, and exactly where you’re located. This will drastically increase your chances of survival.

Why a 406 MHz Beacon is Your Best Last Chance

The biggest difference between an EPIRB/Personal Locator Beacon/ELT and other signaling devices is the built in redundancy required by Search and Rescue agencies to be included inside 406 MHz beacons before they can be approved for sale.
Main Frequency: 406 MHz, this dedicated Search and Rescue frequency is transmitted to the Cospas-Sarsat Satellites with your beacons Unique Identification Number which links you and your beacon together (if properly registered).
GPS: beacons with a built in GPS provide the exact search radius
121.5 MHz homing frequency: provides Search and Rescue forces with another tool to home in on your exact location.

Additional Benefits: 406 MHz beacons are regulated and approved worldwide by the Search and Rescue community before they can ever be offered for sale. These very strict regulations require an independent test lab to validate that the beacons meet the stringent requirements. These distress beacons are a directly link to Search and Rescue forces worldwide, there is no monthly subscription fees, no cost for activating and being rescued and no third party call center required to forward your distress signal onto the appropriate Search and Rescue Agencies.

Satellite Emergency Notification Devices (SEND) – For outdoor enthusiast
This is a relatively new category of distress beacons that have just hit the market in the past few years. While they have some very popular features, it is important to understand some of their limitations when it comes to Search and Rescue. The main thing to know is the lack of redundancy, most SEND devices rely solely on having a GPS position to transmit your position. If the device is unable to acquire your GPS coordinates because of heavy tree canopy or severe weather, Search and Rescue will not know where to look for you until the beacon is able to provide this information. SEND Devices also use commercial satellites such as iridium or GlobalStar, this requires an annual subscription to use. Forget to renew your subscription and your beacon will not transmit your emergency distress signal. Finally, because these are commercial satellites, the distress signal is first received by a third party call center who then must forward it on to Search and Rescue forces and be able to provide them with all of your vital information.

Understanding the Pro’s and Con’s of different Survival Communication Devices

Product Type Benefits Limitations
EPIRBs
  • Direct link to Search and Rescue forces world wide
  • No subscription fees
  • Built-in Redundancy
  •  406 MHz
  • GPS (Optional)
  • 121.5 Homing
    Limited non-emergency communications (Only ACR beacons can transmit a message through the        satellites to cell phones/email using their 406Link.com optional subscription).
Personal Locator Beacons
  • Direct link to Search and Rescue forces world wide
  • No subscription fees
  • Built-in Redundancy
  • 406 MHz
  • GPS (Optional)
  • 121.5 Homing
  • Limited non-emergency communications (Only ACR beacons can transmit a message through the        satellites to cell phones/email using their 406Link.com optional subscription).
Emergency Locator Transmitters (ELT)
  • Direct link to Search and Rescue forces world wide
  • No subscription fees
  • Built-in Redundancy
  • 406 MHz
  • GPS (Optional)
  • 121.5 Homing
  • Limited non-emergency communications (Only ARTEX ELTs can transmit a message through the        satellites to cell phones/email using their 406Link.com optional subscription).
Cell Phones
  • Most people commonly have on them at all times
  • Dead Battery when you need it the most
  • Limited Coverage
  • Not Rugged or Waterproof
  • They rely on you to tell Search and Rescue where you are
Satellite Phones
  • Voice communication outside of standard cell phone ranges
  • Dead Battery when you need it the most.
  • Poor satellite reception
  • Costly subscription fees
  • Not Rugged or Waterproof
  • They rely on you to tell Search and Rescue where you are.
SEND Devices (SPOT, InReach)
  • Non-Emergency Communications
  • Tracking
  • SOS functions
  • Weak frequency
  • Low Power
  • No Redundancy
  • Costly subscription fees
  • Commercial satellites
  • 3rd party call centers
GPS Receivers
  • Tracking
  • Tells you where you are
  • GPS receivers tell You where you are, not Search and Rescue
  • Low Power Level
  • Poor Satellite Reception

How to register

You may register by visiting the SARSAT Beacon Registration page.

There is no charge for this service. IT MAY SAVE YOUR LIFE.

For more information see the NOAA SARSAT Homepage.


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A Boaters Guide To EPIRBs

Boaters-Guide-to-EPIRB
How an EPIRB Works.
An EPIRB or Emergency Position Indicating Radion Beacon, is a distress beacon used by mariners worldwide to alert Search and Rescue (SAR) forces that they are in distress. EPIRBs transmit a 406 MHz distress signal that contains a unique 15 digit identification number to the Cospas-Sarsat Satellite System (which is a government run system so there are no subscription fees). Search and Rescue forces then pull up your beacon registration (mandatory of all EPIRB owners) which tells them who the beacon belongs to as well as provides additional emerency contact information.

EPIRBs provide Search and Rescue forces with your location either via GPS data if your EPIRB is equipped with a GPS receiver, or via triangulation from the low earth orbiting satellites. This positional data is provided to the Rescue Coordination Center closest to your location. They in turn embark on your rescue mission and use the EPIRBs 121.5 MHz homing signal to ultimately pin-point your location and bring you home safetly.

Learn everything you need to know about EPIRBs in our Boaters Guide to EPIRBs (PDF).

Worldwide Registration
You are required to register your EPIRB with your local authority. If you purchase a new or used 406 MHz beacon, you MUST register it with your local government. If you change any information on your registration (such as phone number, address, bought a new boat, etc.) you MUST update the 406 MHz beacon registration. Also, if you sell your 406 MHz beacon, notify your local government that you have done so, and make sure the buyer registers the beacon personally. Otherwise, you may be contacted by rescue authorities if it is activated! Please provide the new owner a link to our registration web page so he/she can register thier beacon. Visit our Registration Data for more information about your countrys registration requirements.

EPIRB Brackets
EPIRBs come in 1 of 2 different brackets. A Category 1 bracket is an automatically deployment bracket, while a Category 2 bracket is a manual deployment only bracket.

EPIRBs have different categories which define which type of bracket the EPIRB uses Cat. 1 Cat.2
Bracket automatically deployes EPIRB when vessel sinks Yes No
Contains a Hydrostatic Release Unit (HRU) Yes No
Built-in deactivation water sensor to prevent false alarms Yes Yes
Manual activation of beacon while in bracket Yes Yes
Protects EPIRB from UV exposure Yes No

The Category I bracket is designed to release an EPIRB when the Hydrostatic Release Unit (HRU) in the bracket is submerged in water to a depth of 4 to 14 feet (1.5 – 4m). The regulation specifies a range of depth for deployment to allow for different water temperatures which will affect the release depth. The Hydrostatic Release Unit needs to be replaced every two years.

In an emergency, the EPIRB will release from its bracket, float to the surface and alert search and rescue that you need help fast.

EPIRBs in a Category II bracket need to be manually deployed and activated. They can be mounted above or below deck, in a location that is protected from outside influences (i.e. green water, traffic impacts, cabin doors, etc). Some people prefer to keep their beacon in a Ditchbag without the bracket which is ok if the bag is going to be in a dry spot on the boat.

The Benefits of upgrading to a GPS EPIRB
An EPIRB with a GPS interface or internal GPS greatly reduces the search radius down to 100 meters (110 yards) but also significantly reduces the notification time from less than 1 hour down to 1 minute.

The Cospas-Sarsat satellite system uses 2 dierent satellites. The GEOSAR satellites are stationary over the equator, if your beacon has GPS coordinates, these satellites instantly alert Search and Rescue of your position in as little as 2-3 minutes.

The LEOSAR satellites are low earth orbiting and typically ever hour one flies over your location. These satellites use Doppler shift principles to calculate your position to send to Search and Rescue. However, the notifcation time can be typically less than1 hour while you wait for one to orbit over you.