At no point did the pilots say they had a problem with their landing gear or any other type of emergency, according to the radio calls. A deadly plane crash in Pakistan is prompting questions about how the crew could touch down without landing gear when their sophisticated jetliner was bristling with equipment to prevent pilots from doing just that "It is unbelievable to me that an airline crew on a jet like an Airbus, with all the warning systems, would attempt to land the plane without the gear extended," said John Cox, an aviation safety consultant who formerly flew...