About Polish squadrons. There were four polish squadrons during BoB.
300 sqn. "Ziemi Mazowieckiej", code letters BH, bomber squadron, innitaliy flying Fairey Battle Mk I and from november 1940 - Wellingtons Mk IC.
301 sqn. "Ziemi Poznańskiej", code letters GR. Like Sqn. 300, it was flying Battles Mk I untill end of 1940, then switched to Wellingtons. It took heaviest loses during the war, to the point when it was disbanded in 1943, and then reformed as 1536 Special Flight.
302 sqn. "Poznański", code letters WX, fighter squadron. It was flying Hurricanes Mk I during BoB. It was partially reformed 3/III polish squadron and 2-nd french fighter squadron.
303 sqn. "Warszawski, im. Tadeusza Kościuszki", code letters RH, fighter squadron. Like 302 flying Hurricanes Mk I during the BoB. It's history goes back to the polish-soviet war in 1920, when the squadron was formed by american pilots in polish service. Officialy it scored 146 shot downs, placing it at 1st place among all fighter squadron fighting in BoB. The post-war checks gave 303 sqn. 44 sure shot downs, placing it at 4th place, after squadrons 603, 609, 48, 49.
In 1941 additional squadrons were formed, but for the BoB time those 4 were most important.
Beside those squadrons several polish pilots were flying in english squadrons. Most important ones are Stanisław Skalski and Witold Urbanowicz. During the whole battle 89 (some sources say 87) polish pilots were serving in the english-RAF squadrons, rest in polish ones.
Also polish pilot, sierzant (sergeant) Antoni Głowacki at 24 august shot down 5 german planes at one day - record that was not beaten untill the end of the war.
Best polish fighters of that time:
- sgt Józef František (Czech) – 17 sure i 1 probable (303 sqn)
- Fg Off Witold Urbanowicz – 15 sure i 1 probable (145, since 21 august - 303 sqn)
- Fg Off Zdzisław Henneberg – 8 sure i 1 probable (303 sqn)
- Plt Off Jan Zumbach – 8 sure i 1 probable (303 sqn)
- WO Antoni Głowacki – 6 sure i 1 probable (501 sqn)
Those are official scores.