After the Second World War, the surviving family settled in Lublin following the incorporation of Volhynia into the Ukrainian Soviet Socialist Republic.

[1] At school, she belonged to the Polish Scouting and Guiding Association, taking part in athletics and swimming.

[1] She joined the Warsaw Aero Club and competed in numerous national and international gliding competitions through the organisation.

She was the second woman in Poland and the third woman in the world to win FAI Gliding Commission Diamond Badge, awarded to pilots who fly 300 km (190 mi) to a pre-defined goal, go 500 km (310 mi) in one flight (but not necessarily to a pre-defined goal), and gain 5,000 metres (16,000 ft) in height.

She was the first glider pilot in the country to be awarded the highest Polish gliding decoration, the Tański Medal (pl), in 1956.

Her last flight was the transport - under an international contract - of a fire-fighting PZL M18 Dromader aircraft to Setubal, Portugal.

She was buried on 21 July 1988 in the family grave in the Roman Catholic cemetery on Lipowa Street in Lublin (plot no.

In 1989, at the request of the Polish Aero Club, the Fédération Aéronautique Internationale's General Conference established the Pelagia Majewska medal in honour of her memory.