Zest Air of the Philippines placed an order for six additional MA60s. The carrier, formerly Asian Spirit, already operates five of the Chinese-built aircraft and expects to take delivery of the newly ordered planes starting in October. Two more will arrive in December, with the remaining three coming next year, AVIC's Xi'an Aircraft Industry Co. said. The MA60 has received 92 firm orders, with letters of intent signed for another 70. The MA600 has received 12 orders.