Arunachal Pradesh-a tun thla ni 4-a a chinchăng hriat lohva bo Pawan Hans Helicopter chu kar 1 chhung zawn leh chhanchhuah beihpui thlak a nih hnu-ah 10 aug tuk khan Tirap dist.-a Khonsa atanga km 12-a hla Sangliang khaw bulah tla chhia-in Indian Air Force te’n an hmu. helicopter-ah hian Tirap Dist. Dy.Commissionerleh midang 2 chuangin Khonsa atanga Longding an pan laiin chinchang hriat lohvin a awm a ni. Helicopter-a chuangte chanchin erawh hriat a la ni lo va, helicopter tlakna lai thleng tur erawh chuan ruahsur nasa leh ramngaw pik vangin hun a la duh ang, tih Civil Aviation Secy Dr. BM Mishra-a‘n a sawi a ni.