Pilatus PC-6 PK-UCJ (Yayasan Jasa Aviasi Indonesia (YAJASI)) — Wamena Airport, Papua

The rubber deposit in about half of the runway 15 at Wamena Airport might have a part of the contributing factors in this runway excursion. as such, it is strongly required that the authority has to consider a regular runway decontamination schedule, not only in Wamena Airport but it could be extended to the other airports in a regular basis

Consider to the recommendations address to PT. Yayasan Jasa Aviasi Indonesia, the National Transportation Safety Committee recommends to the DGCA has to ensure that the aforesaid recommendations are well implemented

To review and encourage the procedure and the operation department should ensure

The instructor should able to take accurate decision to recover any mistake that possibly makes by the pilot under training. As such, the NTSC recommends the operation department to review the instructor training syllabus and the teaching method

It might extend to the other pilots that the missed conduct of cornering technique of this serious incident as such, the operation department should ensure that the correct cornering technique should be reviewed and encouraged during the flight check or in all means of training

Considering to the PIC that taxi with damage aircraft conditions without proper evaluation might endanger to the pilots, other person or properties. As such, the NTSC recommends the operation department to review the Standard Operating Procedures regarding the operation of such condition