investigations? >> reporter: yeah fred i think at this point in the investigation, we don't know what happened to 8501 so everything has to be taken into account. what we do know about the violation you're mentions is that yaidz did not have a license to fly from surabaya to singapore on sunday. they had a tlons fly other days of the week but specifically not on sunday. the transportation ministry calling that a serious violation. they're launching an investigation, not only into yarz's practices, but they're looking at airline practices across indonesia. we tried to get in touch with the ce ovnlt of airasia indonesia for comment. he did tell a local tv station that they're cooperate twhag probe. in the meantime their service on that route has been suspended, pending the investigation. perhaps -- it's not connected but we'll see what happens in the days ahead. certainly, the words serious