INS Tir (A86) (Hindi Arrow) is the first dedicated Cadet's Training Ship to be built by Mazagon Dock Limited and commissioned as such by the Indian Navy. She is the senior ship of the 1st Training Squadron of the Southern Naval Command. INS Tir was commissioned on 21 February 1986. Sensors on board Tir include Decca Radar and a SATNAV (Satellite Navigation) system. She can carry up to 293 people on board, though her typical deployment is with 20 instructors and staff and 120 cadets.