Plans were for the 428JET to be assembled in Israel by Israel Aerospace Industries. In the end, changing market conditions made a 44-seat airplane like the 428JET inferior to 50 seat aircraft, which have nearly the same operating and procurement costs yet higher profits due to having more seats.
The intention was for the 428JET to be assembled in Israel by Israel Aerospace Industries. However, changes in market conditions led to the conclusion that a 44-seat aircraft like the 428JET was less desirable than a 50-seat plane, which offered similar costs but greater revenue due to its increased capacity.