If you squawk C it is always better unless aked to not and when the A/C with TCAS installed is in collision course with you, his TCAS will know that you are not TCAS equiped so it will propose an escape manoeuver to the pilot.
For more info go
www.honeywelltcas.com
Hope Im clear!
Last edited by airmen; 15th November 2006 at 13:18.