[2] He was killed when a German Messerschmitt Bf 109 aircraft shot down his Hawker Hurricane over southern England.

In June 1939 he was posted to 122 Squadron, which flew PZL P.11c fighter aircraft and was part of the III/1 Dywizjon Myśliwski [pl].

[4] On 15 October 1939 a large group of Polish airmen including Własnowolski left Romania by ship from the Black Sea port of Balchik.

[4] Late in 1939 Własnowolski left France for England to transfer to the Royal Air Force Volunteer Reserve.

[3] Własnowolski is buried in the CWGC Roman Catholic section of the main cemetery in Chichester, England.

[3] There is a monument to Własnowolski beside the path to Kingley Vale from Stoughton, beside the field where his Hurricane crashed.