Was an clerk in the Accident Claims Department at Manchester. Decorated 27 July 1944, when he was a Lieutenant, for gallantry in India. Had returned to company service by 1946.

Awarded DFC in June 1943 for "gallantry displayed in operations against the enemy in the Middle East and from home bases." Bar awarded August 6 1944. Killed during air operations. At his death he had flown nearly 100 sorties over enemy territory.

Decorated c July 1946 for services as a senior instructor. His Commanding Officer was R C Chatfield of Glasgow branch.

An Air Ace known as the ME 109 specialist having shot down four of them in one day during the Battle of Britain. The only pilot to be awarded the Distinguished Flying Medal three times.

Distinguished Flying Medal gazetted 6 December 1940, official citation reads: "This airman has displayed great courage and tenacity in his attacks against the enemy. He has destroyed at least nine hostile aircraft, four of which he shot down in one day."

First bar gazetted 29 July 1941 official citation reads: "This airman pilot has continued to prove himself a very able section leader who fights with coolness and courage. He has now destroyed at least fourteen enemy aircraft and damaged others."

2nd Bar gazetted 11 November 1941, official citation reads: "This airman leads' his section- and occasionally the flight, with great skill and courage He has participated in 36 operational sorties during which he has destroyed 17, probably destroyed 6 and damaged a further seven enemy aircraft Flight Sergeant Kingaby has at all times displayed the greatest determination and sound judgment, combined with a high standard of operational efficiency."

By the 12th October 1941 he had brought down 18 enemy plans which, according to the Post Magazine, was highest score to date by a Sergeant Pilot of Fighter Command.

In November 1942 he was promoted to lead the Bombay Squadron of Spitfires.

DSO citation 9 March 1943 reads: "Squadron Leader Kingaby has taken part in more than 300 operational missions, a large number of which have been over enemy territory. Recently he has led his wing in several engagements, during which considerable losses have been inflicted on the enemy. Much of the success achieved can be attributed to Squadron Leader Kingaby's skill and inspiring leadership. Since being awarded a second bar to the DFM he has destroyed four enemy aircraft, bringing his victories to 21."

Member of the Accident Claims Department. Killed in action. Decorated posthumously "In recognition of skill in flying operations and a successful return from Mannheim in a badly damaged aircraft."