Lorimer, G A (Warrant Officer 2)

405 (PFF) Sqn Ducimus ("Vancouver")

History of the Squadron during World War II (Aircraft: Wellington II, Halifax II, Lancaster I, III & X)

This was the first RCAF bomber squadron to be activated at Driffield, Yorkshire, England and flew its first mission on 12/13 June 1941. At that time it was a member of 4 Group of Bomber Command, and flew successively from Driffield, Pocklington and Topcliffe, Yorkshire, England. With Code Letters LQ It flew Wellington Mk II aircraft until converting to Halifax II in April 1942, in time for the first 1000-bomber raid on Cologne. In October 1942 it was transferred to Coastal Command No 18 Group, flying over the Bay of Biscay from Beaulieu, Hampshire. Returning to Bomber Command, the squadron joined No 6 (RCAF) Group and flew from Topcliffe and Leeming, Yorkshire in March and April 1943. It was then seconded to No. 8 (Pathfinder) Group and for the rest of the war flew from Grandsen Lodge, Bedfordshire, UK . Its first Pathfinder mission was on 26th April 1943, and its last on 25th April 1945. It was slated to become part of the "Tiger Force" to attack Japan, but the surrender of Japan precluded that, and the Squadron was disbanded at Greenwood, Nova Scotia on September 5th, 1945. One of the aircraft that flew briefly with the squadron was the first Canadian-built Lancaster Mk. X, KB700, christened the "Ruhr Express", which was subsequently transferred to 419 Sqn RCAF in December 1943. Overall, the squadron flew 4427 sorties, of which 349 were with Coastal Command and 41 were in Operation Exodus, the repatriation of POWs. Nearly 25000 operational hours were logged together with 12,000 non-operational, and 12,856 tons of bombs were dropped. In the course of operations, 167 aircraft were lost with 937 aircrew. In the course of its history, squadron members were awarded 9 DSO's, 161 DFC's and 24 Bars to DFC's, 38 DFM's, 2 CGM's 2 BEM's and 11 MiD's. Battle Honours were: Fortress Europe 1941-44, France and Germany 1944-45, Biscay Ports 1941-45, Ruhr 1941-45, Berlin 1941; 1943-44, German Ports 1941-45, Normandy 1944, Walcheren, Rhine; Biscay 1942-43.Moyes, Kostenuk and Griffin

Squadron History (Bomber Command Museum PDF)

Maps for Movements of 405 Squadron 1941-45

MAP 1: 405 Squadron Movements in Yorkshire 1941-45 (right-click on image to display enlarged in new tab)

MAP 2: 405 Squadron Movements in England 1941-45

405 Sqn History Summary 1941-45

405 Sqn History Summary 1941-45 Page 2

History of the Squadron Post-WWII (Aircraft: Lancaster X, Neptune, Argus I & II, Aurora)

The squadron was re-formed as No 405 (Maritime Reconnaissance) Squadron at Greenwood, Nova Scotia on 31 March 1950, and redesignated No 405 (Maritime Patrol) Sqn on 17 July 1956. The squadron was the first of four formed in Maritime Air Command. It flew modified Lancaster Mk. X aircraft until mid-1955, when they were replaced by P2V7 Lockheed Neptunes, which gave an enhanced anti-submarine capability. and the first to fly Lancaster, Neptune and Argus aircraft on East Coast maritime duty. In April 1958 the squadron was given the distinction of being the first to fly the Canadian-built CP-107 Argus. The squadron made its last flight in the Argus on 10 November 1980 before introducing the CP-140 Aurora. On 1 February 1968 the squadron was integrated into the Canadian Armed Forces. It is now designated No 405 Long Range Patrol Squadron, flying from Greenwood, NS.

The squadron’s primary combat functions are Anti-Submarine Warfare (ASW) and Anti-Surface (ASUW). The Squadron regularly trains for its roles by participating in a number of naval exercises at home and abroad. However, most of its time is taken up in a number of non-combat roles, including search and rescue and support to other government departments, including counter-drug operations with the Royal Canadian Mounted Police (RCMP) and fisheries patrols with the Department of Fisheries and Oceans. Year-round, the Squadron carries out sovereignty patrols covering the Canadian Arctic Archipelago and maritime areas of interest . During these patrols, 405 LRPS crews maintain a constant vigil for ships that discharge pollutants illegal at sea. Similarly, its crews verify that foreign and Canadian fishing vessels abide by their Canadian licensing agreements and report suspected violators to DFO patrol boats.

405 LRPS regularly deploys to a number of allied bases for an assortment of exercises and missions. Among its international training sites are US NAS Keflavik (Iceland), US NAS Sigonella (Sicily, Italy), US NAS Oceana (Virginia, USA), US NAS Jacksonville (Florida, USA), US NAS Roosevelt Roads (Puerto Rico), UK RAF Kinloss (Moray, Scotland),UK RAF Station St. Mawgan (Cornwall, England) and NL NAS Valkenburg (Netherlands).

Government of Canada RCAF Website