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cjaviator
Joined: 20 Aug 2014
Posts: 29
Location: New Zealand
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 Posted: Fri Jun 30, 2017 1:59 pm Post subject: Mode S / ADSB installations? |
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Hi all,
Question for you all re ADSB installations...The New Zealand CAA are requiring all Mode S transponder installations to have Approved Techincal Data. In this case we are fitting the Trigg TT31 transponder and although they have an STC list for many types it understandably does not cover Nanchangs, Yaks, Fairchilds, older WACO's, RV's etc etc.
I understand the FAA also requires approved installations so could someone tell me how you are getting around it with 'our' types of aircraft. Is it perhaps that the FAA only requires an approved installation for Standard Category types such as 172's, Cherokees and so forth?
Looking forward to your replies on this with interest!
Jay
NZ
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Rob Rowe
Joined: 10 Jan 2006
Posts: 124
Location: Berkshire, UK
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| Posted: Sat Jul 01, 2017 5:55 am Post subject: Re: Mode S / ADSB installations? |
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Hi Jay,
In the UK, until recently, the only option on my TRIG TY91/TT21 install was to get a minor mod drawn up by a approved design authority (DA), given the -52 is an ex-military / non-EASA aircraft (Annex II).
Several months, 33 pages and £700 later we obtained one, which if anyone would like to re-use it in the UK then a contribution of £100 would be welcomed - cheaper / quicker than RYO and helps me offset the initial outlay. Contact me off-list if this is of interest.
However the UK CAA in March this year allowed EASA CS-STAN as an alternative means of compliance for non-EASA Annex II types.
www.caa.co.uk/General-aviation/Aircraft-ownership-and-maintenance/Minor-modifications/
This now allows for, as I understand it, a qualified installer to create their own package (meeting CS-STAN criteria) instead of using an approved DA.
This is still quite a lot of work so, if I may shamelessly plug the above offer again, the approved minor mod may still be quicker & cheaper :-)
My presumption is that the NZ CAA will also look for a minor mod from you for your TT31 install. FWIW - maybe enquire if they'd accept the equivalent from the UK.
Albeit you're looking at a TT31 rather than a TT21(or 22) install that I've got approved ... still, if you don't ask you don't get!
Hope this helps (a little), Rob
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