The crew of spotted Force Z at 02:20, reported their position, and fired five torpedoes, all of which missed. Based on this report the Japanese launched 11 reconnaissance aircraft before dawn to locate Force Z. Several hours later 86 bombers from the 22nd Air Flotilla based in Saigon were launched carrying bombs or torpedoes. The crew of a Mitsubishi G3M reconnaissance bomber spotted the British at 10:15 and radioed in several reports. The pilot was ordered to maintain contact and to broadcast a directional signal that the other Japanese bombers could follow.