december 16th at the Agusta maintenance centre:
ES-PWB AW139 Estonia Border Guard
275 AW139 Irish Air Corps
further more some civil choppers, including an F- registered AW139.
ZM401 is c/n 016. Which was registered as EC-406, and later on carried 4M016 as registration, until it became ZM401.
C/N 006 was registered as F-WWMZ from 2011 until 2014. December 2014 this one was reregistered as EC-406. Hence the confusion