Special Offers

Ready to replace?... The AT165/C and AT165/C Value Series
Cessna replacement transponders are available. That means you can
easily upgrade that old tired
RT359A or RT459A to a modern digital
display transponder. Designed as
slide-in direct replacements, the
AT165/C series utilizes the existing tray,
wiring and altitude encoder.
No rewiring or tray replacement is needed.

The AT165/C Value Series - A Cost Effective Cessna RT359A/RT459A Direct Replacement Digital Transponder. Replace that old tired Cessna RT359A/RT459A with a Narco AT165/C or AT165/C Value Series Direct Replacement Digital Transponder. The AT165/C - A Full Featured Cessna RT359A/RT459A Direct Replacement Digital Transponder.

Click here to help identify which ARC Transponder you currently need to replace.

Avionics That Make Sense

If you have an older Transponder, Nav/Com or other
Narco product, here are a few good reasons to call Narco:

See NARCO's ALL NEW Digital Transponders.
The AT165 and AT165 Value Series Plug & Play Digital 
Display Replacements for a variety of applications.


AT165 Value Series - The Cost saving series of basic Digital Display Mode A/C Transponders
The Cost Effective Digital Transponder.
The Cost Effective Narco AT50-AT155 Direct Replacement Digital Transponder.
The Cost Effective Cessna RT359A/RT459A Direct Replacement Digital Transponder.
The Cost Effective Bendix-King KT76/KT78 Direct Replacement Digital Transponder.
The Cost Effective Bendix-King KT76A/KT78A Direct Replacement Digital Transponder.

AT165 - The full featured Dual-Digital Display Mode A/C series of transponders With Alerts
The AT165 - A full Featured Plug & Play Mode A/C Transponder.
The AT165 Plug & Play Replacement for the Narco AT50, 50A, 150 and 155.
The AT165/C Plug & Play Replacement for the Cessna RT359A or RT459A.
The AT165/KT76 Plug & Play Replacement for Bendix-King KT76/KT78.
The AT165/KT76A Plug & Play Replacement for Bendix-King KT76A/KT78A.

Narco offers a variety of Services and Options.

We can REPAIR IT!

We can UPGRADE IT!

We can REPLACE IT!


See All of Our Direct Replacement Radios

Click here if you want to replace that old, unrepairable and possibly illegal unit with a new modern NARCO direct replacement. Narco manufactures units to replace many old Cessna radios and units to replace our own old workhorses, the Mark12's, Mark12A's and Mark12B's. We also manufacture replacements for the COM11 family of radios and the older King transponders.


Comments or Questions?
Contact us now.
Contact Narco