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FAA reminder of the change to 406 MHz ELTs, in case you're i

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n212pj(at)gmail.com
Guest

Posted: Fri Sep 07, 2007 6:19 am Post subject: FAA reminder of the change to 406 MHz ELTs, in case you're i

Termination of 121.5 MHz Beacons for Satellite Alerting is Coming        Soon

Notice Number: NOTC0981       

       

On <?xml:namespace prefix = st1 ns =        "urn:schemas-microsoft-com:office:smarttags" />1 February        2009, the International Cospas-Sarsat [1]        Organization (U.S. included) will        terminate processing of distress signals emitted by 121.5 MHz Emergency        Locator Transmitters (ELTs). This means that pilots flying        aircraft equipped with 121.5 MHz ELTs after that date will have to depend        on pilots of over flying aircraft and or ground stations monitoring 121.5        to hear and report distress alert signals, transmitted from a possible        crash site.        

<?xml:namespace prefix = o        ns = "urn:schemas-microsoft-com:office:office" />       

Why is this happening?               

       

Although lives have been saved by 121.5 MHz ELTs,        the downside has been their propensity to generate false alerts        (approximately 98 percent of all 121.5 MHz alerts are false), and their        failure to provide rescue forces with timely and accurate crash location        data. Both of which actually delay        rescue efforts and have a direct effect on an individual's chance for        survival. Rescue forces have to        respond to all 121.5 MHz alerts to determine if they are real distress        alerts or if they are being generated by an interferer, an inadvertent        activation (by the owner) or equipment failure.        

       

Is there an alternative?               

       

Yes, the Cospas-Sarsat System        (U.S. included) has been and        will continue processing emergency signals transmitted by 406 MHz ELTs.        These 5 Watt digital beacons transmit a much stronger signal, are more        accurate, verifiable and traceable to the registered beacon owner (406 MHz        ELTs must be registered by the owner in accordance with Federal        Communications Commission (FCC) regulation). Registration allows the        search and rescue authorities to contact the beacon owner, or his or her        designated alternate by telephone to determine if a real emergency exists.        Therefore, a simple telephone call often solves a 406 MHz alerts without        launching costly and limited search and rescue resources, which would have        to be done for a 121.5 MHz alert. For these reasons, the search and rescue        community is encouraging aircraft owners to consider retrofit of 406 MHz        ELTs or at a minimum, consider the purchase of a handheld 406 MHz Personal        Locator Beacon (PLB) which can be carried in the cockpit while continuing        to maintain a fixed 121.5 MHz ELT mounted in the aircraft's tail.               

       

Remember, after February 1, 2009, the world-wide        Cospas-Sarsat satellite system will no longer process 121.5 MHz alert        signals. Pilots involved in aircraft accidents in remote areas will have        to depend on pilots of over flying aircraft and or ground stations to hear        emergency ELT distress signals. For        further information concerning the termination of 121.5 MHz data        processing visit www.sarsat.noaa.gov                                    

[1]        The        Cospas-Sarsat Organization provides a satellite based world-wide        monitoring system that detects and locates distress signals transmitted by        Emergency Locator Transmitters (ELTs), Emergency Position Indicating Radio        Beacons (EPIRBs) and Personal Locator Beacons (PLBs). The system includes        space and ground segments which process the signals received from the        beacon source and forwards the distress alert data to the appropriate        RescueCoordinationCenter for action.        



       

       

Address SARSAT inquiries to:        

NOAA SARSAT

NSOF. E/SP3

4231 SuitlandRoad

Suitland, MD 20746        

Phone: 301.817.4515

Toll free: 888.212.7283

Fax:  301.817.4565       

       

You        have received this notice from FAASafety.gov because you have selected        "General Information" in your preferences on your FAASafety.gov        account. Click here to log in and edit your preferences on        FAASafety.gov.        Safety is a learned behavior...Learn        to be safer at the Learning Center found on FAASafety.gov                 FAASafety.gov | Email Preferences | Opt Out            Do not        reply to this email as it is an unmonitored alias. Contact us for comments or        questions.

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poneill(at)irealms.com
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Posted: Fri Sep 07, 2007 6:31 pm Post subject: FAA reminder of the change to 406 MHz ELTs, in case you're i

I was  actually thinking about this the other day.  What are builders installing  right now?  TSO-C91a (121.5mhz/243mhz) or TSO-C126 (406mhz)?   

  

 As I  understand it C91a still satisfies FAR 91.207 but will be of limited utility  after Feb 1, 2007. I am curious as to what other builders are  installing.

  

 I  haven't purchased one yet but was planning on a C126 unit.  They are all  expensive and prices range widely.  Does anyone have make/model  recommendations for C126 devices?

  

 Best  Regards,

 Patrick #40715

  

 [quote]   

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