Ultra Q: S1 E27 - The Disappearance Of Flight 206 Ultra Q

Yuriko is looking forward to the arrival of Supersonic Airliner Flight 206 at the airport. Manjome and Ippei are coming back from a workshop. However, the ground control suddenly lost contact with Flight 206. Flight 206 even disappeared off the radar, yet just the sound of the jet was oddly howling through the sky above.