Bob Chilcoat wrote:
Hell yes! Our KX-170B (installed as Nav/Comm 2) works much better than our
fancy new Narco with DME. Damn thing is bullet proof. Pics up stations 40
miles farther out than the Narco. Obsolete it may be, but it's sure
servicable.

Just don't remove it for any reason. There is a "self-destruct" feature
in the KX-170B. It is limited in the number of times it can be removed.
There is a turn limiter in the hold down screw that moves the tab that
holds it in the tray. At some point that limiter breaks off and the tab
that holds the radio in move up too far and crushes the frequency
rollers. There is no economic fix for that, and probably no parts to do
it. The solution is to buy an new radio.

-Robert