by noon of 20 may, amiens had been captured by 1st panzer division. 2nd panzer division in the north was instructed to reach abbeville by nightfall to at last complete the xix army corps' march to the english channel. by 19:00, 2nd panzer was in position after an advance from doullens. guderian's staff suffered an incident of friendly fire during the day, wherein a german aircraft destroyed one of xix army corps' new recon planes. in return, the anti aircraft guns shot down one of the german planes, forcing the pilots to evacuate with their parachutes. they were brought to guderian for a stern talking-to, but no fatalities were suffered during the incident.