Please answer the following question: PZL.55 -  This fighter is sometimes called PZL.62 but the correct designation is PZL.55.PZL.55 was a Polish pre-war initial project for a fighter aircraft designed by Jerzy Dąbrowski of the PZL works. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Mean Of Transportation