BTIZ wrote:

you'd be better off stuffing in a transponder for their TCAS and for ATC to
really see you.

I think we all understand that putting in a transponder and a
big battery is a more complete solution. I think those
on this thread are simply looking at the lower tech, less expensive,
no recurrent certification alternatives.

At $50 and one pound, this looks pretty good. At $1000 and
10 pounds (including the extra battery) + $160/every two years,
I suspect we'd see fewer takers.

I personally also love the idea of the "star" multi-faceted
reflective tape. I despise the green and light grey color of
my current airplane, for example.

Cheap, passive, low cost solutions have a sort of engineering elegance,
don't you think?

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Mark J. Boyd