Harvey Nelson Sweetman, DFC, (Distinguished Flying Cross) (10 October 1921 – 15 January 2015) was a New Zealand fighter pilot and flying ace of the Second World War. He flew with No. 486 (NZ) Squadron over Europe.

Sweetman enlisted in the Royal New Zealand Air Force (RNZAF) in April 1940 and, after flight training, left New Zealand for Europe as a sergeant pilot later in the year. After service with both No. 234 and No. 485 (NZ) Squadrons, he joined No. 486 (NZ) Squadron as 'B' Flight commander in March 1942. At its establishment, No. 486 Squadron was equipped with the Hawker Hurricane MkIIB, operating as a night fighter unit from Wittering. On 23/24 July, Sweetman scored the squadron's first aerial victory of the war, a Do217, which was shared with a Royal Canadian Air Force Beaufighter.

Shortly after 30 July 1942, No. 486 Squadron began re-equipping with the newly introduced Hawker Typhoon. In May 1943, Sweetman was the second No. 486 Squadron pilot to be awarded the Distinguished Flying Cross.

Still commanding 'B' Flight at this point, Sweetman's tally of victories stood at two aircraft destroyed and a further two shared.

From the middle of 1944 Sweetman and No. 486 Squadron became heavily involved in the campaign to protect London and southeast England from the V1 flying bomb offensive. Sweetman became a V1 ace by claiming 11 V1 flying bombs during this period. Sweetman was given command of No. 3 Squadron in September 1944.

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