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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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 Posted: Thu Nov 03, 2011 4:44 pm Post subject: Emergency Locator Transmitters: non-TSO cheap ones? |
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1. ELTs are required by reg to be TSO. Just like Transponders are
required to be TSO, and for IFR flight GPS must be TSO.
2. 1st generation ELTs (TSO circa 1975)may not be used for new install
in any aircraft. Only identical replacement of existing is allowed.
Example Narco ELT10.
3. 2nd generation ELTs are legal for new install, TSO circa 1990. Most
are under $200. Example ACK E-01.
So beware which variety you get if you buy via Ebay.
On 11/3/2011 4:54 PM, Charlie England wrote:
[quote] The old 121.5's are indeed still legal, and typically available for
~$100 if you shop around.
I've heard (unverified) rumors that the new 430MHZ units have trouble
transmitting through tree canopies. Wouldn't that be expensive irony.
I intend to use the old style in the plane I'm building, & supplement
it with an APRS (if you haven't heard of it, just do an internet search).
Charlie
On 11/03/2011 05:28 PM, David Lloyd wrote:
> Ralph,
> I believe that you can continue to use the older, 121.5Mhz., ELT's.
> They are cheap, especially via eBay or similar. However, as a
> negative, they can lead to a longer search period because they only
> send out an RF signal. On the plus side, many Airlines tune one of
> their receivers to this freq. and report when a signal is passed
> over. At least that alerts the emergency agents. The newer ELT's
> also still pump out 121.5 but, the the 430 freq. is monitored by
> overhead satellite receivers and the new style ELT put out GPS
> location. Thus, searches are nearly pin point on the money.
> ELT's, autopilots,etc. are like an expensive insurance policy. You
> hope you never have to use it that way, but, when needed you would
> pay a 100x more for the saving service they provide. Dave
> ------------------------------------------------------------------------
>
> ---
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
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Kellym
Joined: 10 Jan 2006
Posts: 1705
Location: Sun Lakes AZ
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| Posted: Thu Nov 03, 2011 4:44 pm Post subject: Emergency Locator Transmitters: non-TSO cheap ones? |
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The new ELTs are 406Mhz, not 430. They do have to use mfr supplied
antenna located as instructed to comply with TSO.
On 11/3/2011 4:54 PM, Charlie England wrote:
| Quote: |
I've heard (unverified) rumors that the new 430MHZ units have trouble
transmitting through tree canopies. Wouldn't that be expensive irony.
**
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| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD |
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