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Leonard Joseph Sumpter
Name : Leonard Joseph Sumpter
Died : unknown
Distinguished Flying Medal
He was Bomb Aimer on Lancaster ED929 AJ-L of No.617 Sqn on the Dambusters raid of 16th - 17th May 1943. His aircraft took several attempts, but successfully dropped its mine on the Eder dam although no breach was caused. The aircraft returned safely to base.
Known Service Details :
Start of Service
End of Service
Artwork signed by this Pilot or Aircrew
Cloud Companions by Robert Taylor.
Known Individual Aircraft :
|Aircraft for : Leonard Joseph Sumpter|
|A list of all aircraft associated with Leonard Joseph Sumpter. A profile page including a list of all art prints for the aircraft is available by clicking the aircraft name.|
Manufacturer : Avro
Production Began : 1942
Retired : 1963
Number Built : 7377
The Avro Lancaster arose from the avro Manchester and the first prototype Lancaster was a converted Manchester with four engines. The Lancaster was first flown in January 1941, and started operations in March 1942. By March 1945 The Royal Air Force had 56 squadrons of Lancasters with the first squadron equipped being No.44 Squadron. During World War Two the Avro Lancaster flew 156,000 sorties and dropped 618,378 tonnes of bombs between 1942 and 1945. Lancaster Bomberss took part in the devastating round-the-clock raids on Hamburg during Air Marshall Harris' Operation Gomorrah in July 1943. Just 35 Lancasters completed more than 100 successful operations each, and 3,249 were lost in action. The most successful survivor completed 139 operations, and the Lancaster was scrapped after the war in 1947. A few Lancasters were converted into tankers and the two tanker aircraft were joined by another converted Lancaster and were used in the Berlin Airlift, achieving 757 tanker sorties. A famous Lancaster bombing raid was the 1943 mission, codenamed Operation Chastise, to destroy the dams of the Ruhr Valley. The operation was carried out by 617 Squadron in modified Mk IIIs carrying special drum shaped bouncing bombs designed by Barnes Wallis. Also famous was a series of Lancaster attacks using Tallboy bombs against the German battleship Tirpitz, which first disabled and later sank the ship. The Lancaster bomber was the basis of the new Avro Lincoln bomber, initially known as the Lancaster IV and Lancaster V. (Becoming Lincoln B1 and B2 respectively.) Their Lancastrian airliner was also based on the Lancaster but was not very successful. Other developments were the Avro York and the successful Shackleton which continued in airborne early warning service up to 1992.
|Squadrons for : Leonard Joseph Sumpter|
|A list of all squadrons known to have been served with by Leonard Joseph Sumpter. A profile page is available by clicking the squadron name.|
No.617 Sqn RAF
Country : UK
Founded : 23rd March 1943
Apres mois, le deluge - After me, the flood
|No.617 Sqn RAF|
Full profile not yet available.
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