Originally Posted by Sky Wave
Fairly certain they do work to some degree. I know of SLF who always takes his when flying to track the route and I've also seen discussion elsewhere on pprune regarding them.
SW
Garmin 60CSX is the only GPS that has perfect reception inside the flightdeck of a B-757/767. I´ve tried many, but to my surprise the 60CSX received excellent signal through all front windows. Most others were totally left in the dark.
I have no connection with Garmin Inc. whatsoever!