Critical runway warning lights that warn pilots not to proceed onto an active runway were unserviceable at Haneda Airport and are the focus of crash investigators looking into the accident on Tuesday night in which five people died.
AirlineRatings.com Editor-in-Chief Geoffrey Thomas explains the issue below. AirlineRatings.com broke the story of the unserviceable lights
However, there was a Notice To Airmen (NOTAM) warning that the that critical Stop Bar Lighting were unserviceable for a series read more ⇒
Source:: AirlineRatings.Com