Indonesian Air Force chief Air Chief Marshall Agus Supriatna said the KC-130B that crashed in Medan had experienced an engine trouble in one of the engines on the starboard side before going down.
By M Radzi Desa [GFDL 1.2 or GFDL 1.2], via Wikimedia Commons
The aircraft hit several antennae along its flight path before crashing, Supriatna added.