On 19 February the Royal Flying Corps flew McGregor out with his leg in a box splint, with him sitting in the observer's seat of a Royal Aircraft Factory B.E.2c, a two-seater biplane.
Den 19. februar fløj Royal Flying Corps McGregor ud med benet i en skinne mens han sad i observatørens sæde på en Royal Aircraft Factory B.E.2c, et tosædet biplan.