repair / maintenance of stst equipment through routine replacement of sub-components:-2 drive cable drag trainer revision – 3 3 telemecanique limit switch – xckmr54d1 4 limit switch holder – drop trainer revision – 00 5 safety limit activation arm ( wisker ) 9” nylon 6 drop trainder brake fix kit revision – 00 drop trainer 7 behringer di4000 8 5x20 mm glass cartridge fuse 250vac 1a slow blow / time lag for behringer sound components revsion – 00 9 2 / 8” idx1 odx.062” flat washer ( nylon ) 10 panel bolt assembly 3 / 8 inch – 16 unc ( silicon bronze with nylon washer ) revision – 00 11 repair including fabrication of exit doors and windows with operate mechanism from inside as well as outside and a additional mechanism for redundancy from a alternate operate in the mets cabin for chetak configuration 12 repair including fabrication of door and window superstructure / foundation for holding the detachable windows and frame used for emit during drills for chetak configuration 13 repair including fabrication of door and window structure foundation for holding the detachable windows and frame used for emit during drills for sea king configuration 14 repair including fabrication of perspex shield / screen and port holds / windows for the mets cockpit