Video shows UTair YouTube of Spanish airline Boeing pulling up from approach as aircraft crosses its path . Barcelona aviation official says aircraft were not in danger but officials confirm investigation under way . She did not comment on the timing of its maneuver . Aviation analyst Aerolineas Argentinas says air crew on ground should have checked their way was clear .
Video shows UTair YouTube of Spanish airline Boeing pulling up from approach as aircraft crosses its path . Barcelona aviation official says aircraft were not in danger but officials confirm investigation under way . Aviation analyst Aerolineas Argentinas says air crew on ground should have checked their way was clear .