A Indonesian Army UH-1D helicopter carrying out an autorotation training exercise crashed at Achmad Yani international airport on Apr. 21.
![022165600_1429589809-heli[1]](http://alert5.com/wp-content/uploads/2015/04/022165600_1429589809-heli1-500x277.jpg)
Photo: Liputuan 6
The crash forced the airport to close the runway for an hour, leading to two outbound delays and diversion of another two inbound aircraft.