Dramatic new footage has emerged of the moment a Transasia plane crashed in Taiwan.<br /><br /> Surveillance tape on a 21-storey building near the Keelung river shows the aircraft plunging sharply minutes after taking off from Taipei Songshan Airport, missing buildings by less than a metre.<br /><br /> Fifteen people survived the crash last Wednesday which killed at least 40 people. <br /><br /> Divers continue to battle the cold weather to search for the 3 people still missing. Rescuers believe they may be trapped under the mud.<br /><br /> Pilots at Transasia Airways are now being tested on how to handle engine failure after initial data indicated this as a reason for the crash.<br /><br /> Flags are flying at half mast across the country as a memorial service is held in Taipei, while the bodies of three victims where flown to mainland China so their loved ones could hold funerals in their home towns.