After the September Campaign, he was evacuated to the UK via Romania.[4] After training he was assigned to the No. 315 Polish Fighter Squadron in 1941.[5] On 19 August 1941, Blok scored his first victory on a Bf 109 near Dunkirk.[6] On 21 September over Fruges, he shot down a Bf 109 and damaged another one. In the same year, he was promoted podporucznik (pilot officer). He served briefly with No. 603 Squadron RAF in early 1942, moving onto No. 54 Squadron RAF in April of that year. He returned to No. 315 in December 1942.[7]
During World War II, Stanisław Blok downed five aircraft and one flying bomb V-1.[8]
Ciel De Gloire.com. "BLOK Stanislaw" (in French). Retrieved 2012-06-18.
Tadeusz Jerzy Krzystek, Anna Krzystek: Polskie Siły Powietrzne w Wielkiej Brytanii w latach 1940-1947 łącznie z Pomocniczą Lotniczą Służbą Kobiet (PLSK-WAAF). Sandomierz: Stratus, 2012, s. 98. ISBN9788361421597
Jerzy Pawlak: Absolwenci Szkoły Orląt: 1925-1939. Warszawa: Retro-Art, 2009, s. 261. ISBN8387992224
Piotr Sikora: Asy polskiego lotnictwa. Warszawa: Oficyna Wydawnicza Alma-Press. 2014, s. 360-366. ISBN9788370205607
Józef Zieliński: Asy polskiego lotnictwa. Warszawa: Agencja lotnicza ALTAIR, 1994, s. 65. ISBN9788311123946