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Sec. 91.207 Emergency locator transmitters. (a) Except as provided in paragraphs (e) and (f) of this section, no person may operate a U.S.-registered civil airplane unless-- (1) There is attached to the airplane an approved automatic type emergency locator transmitter that is in operable condition for the following operations, except that after June 21, 1995, an emergency locator transmitter that meets the requirements of TSO-C91 may not be used for new installations: what makes a ELT approved? the TSO. so, since the manual states the the battery used must be ameri-king part number .... and that manual is FAA approved then just using like cells is NOT legal. how will the FAA know, they can do basic math. if they pulled the tso on a certain date then they can figure when ALL battery packs that were made will be out of date. after that date, any elt found in use will be illegal. pretty easy for them to issue a violation if its well past the date that any approved batteries that were available no longer have any life left. sorry, twist it any way you want, replacing just the cells is NOT legal. bob burns Rv-4 N82RB |
one more data point.....
I had the 121.5 AK ELT....
it happily passed the self test every year, and I dutifully put in batch after batch of fresh Duracell D batteries.....until I actually had my avionics guy do a proper test cel run.. it failed miserably! putting out about 1/10th the rated power, ( great if you get lost..in your back yard!) probably part of the reason why AK had their ticket pulled. Don't think your little orange box is just fine 'cause you put batteries in it and it goes 'beep....beep....beep' |
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bob burns RV-4 N82RB |
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