Born on 18 December 1916 at Wereszyn, near Hrubieszów (Poland). In 1936 he joined the Air Force Cadet Officers School in Deblin. He was commissioned in 1939 in the 12th promotion. By that time he had been assigned to the 162nd Fighter Flight of the 6th Air Regiment in Lwów. In September 1939 he fought in the 162nd Flight. He then reached France via
Romania. There, at Lyon-Bron air base, he underwent fighter conversion training on Caudron 714 aircraft. After the armistice he was evacuated to Britain.Following conversion training he was assigned to No. 307 (Polish) Squadron on 18 September 1940. He was one of those pilots who were dissatisfied with equipment they were given (Defiant) and applied for re-posting. F. Kornicki was transferred to No.1 School of Army Co-operation RAF at Old Sarum. On 11 October 1940 he was posted to No. 303 (Polish) Squadron. From 20 January 1941 he served with No. 315 (Polish) Squadron. On 12 February 1943 he became the commander of No.308 (Polish) Squadron. He commanded it until 3 March 1943, and then, between 28 April and 31 December 1943 he was the commander of No. 317 (Polish) Squadron. Having finished his tour, he became a liaison officer to No. 11, and then to No. 10 Group RAF. Between 2 April and 28 November 1944, he attended the Polish Air Force Academy. After the studies he was posted as a liaison officer to the HQ (Rear) No. 84 Group 2nd TAF. He remained at that post until 25 November 1945. After the war he settled in Great Britain. In 1951 he joined the RAF, initially as a pilot. He then served with the RAF for 20 years. Squadron Leader Franciszek Kornicki has been an active member of the Polish Air Force Association in Great Britain. He has been also the chief editor of the 'Wings' magazine published by the PAFA.
He was decorated
the Silver Cross of Virtuti Militari War Order P-0695
the Cross of Valour and three bars,
and many other