In article et, "Steven P.
McNicoll" writes:

It'll work fine until the day an aircraft calls that isn't being painted and
there's one that is being painted but hasn't called. There's a reason it
isn't proper radar identification.


It is my memory that about 30 years ago a number (like 25) people were drowned
in Lake Erie by this type mistake. The photo plane was in the right position
over land and the jump plane was over the lake (above cloud cover). Radar
advisory confused the two and told the jump plane he was in position. Don't
know, didn't they have transponders then?

Chuck