It took the Indonesian NTSC just 8 months to release the final report of this CFIT accident in Papua. The accident happened on 2nd August 2009; final report released 21 April 2010. This is quite an achievement considering how busy they are with accident investigations in that part of the world!
http://www.dephub.go.id/knkt/ntsc_av...t%20PK-NVC.pdf