During 1940, used as part of a RAAF survey flight operating in New Guinea, along with S23 "Centaurus" A18-10.
From May 1940 until the start of the Pacific war, used to investigated suspicious movements, defend trade and conduct periodic reconnaissance over Port Moresby, Rabaul, Tulagi and Port Vila, organize a radio network, establish Advance Operational Bases (AOBs) and defend Port Moresby.
By July 1940 modified with bombing cupola in the nose, 7.7mm Lewis gun mounts and long range fuel and oil tanks fitted for long range wartime operations. During late 1940, unsuccessfully searched for German surface raiders in the area.
On December 26, 1941 this flying boat evacuated 46 adults and 9 children from Rabaul.
On January 22, 1942 took off from Port Moresby piloted by Flt Lt. Mike Mather along with S.23 "Coogee" A18-12 piloted by Flt Lt. Len Grey took on a flight to Wide Bay off New Britain to rescue RAAF 24 Squadron personnel walked from Rabaul to the southern coast of New Britain, but was diverted to Samarai due to a Japanese air raid over Rabaul.
On January 23, 1942 at 2pm departed Samarai flying only 50' off the sea before landing at Wide Bay at dusk and loaded Australian personnel for four hours. In total 86 RAAF personnel were loaded aboard the two flying boats and were flown to Samarai Island that evening, landed along a flare path. Afterwards, this flying boat flew 42 of those rescued to Townsville while S.23 "Coogee" A18-12 returned to Wide Bay and rescued 49 more personnel. Afterwards, both pilots were awarded the Air Force Cross for these rescue flights.
On February 12, 1942 assigned to 33 Squadron based at Townsville.
Fates of the Crew