Nowotny was interested in all kinds of sports. In 1935, he played football for the school team in Waidhofen, and in 1937, took first place in the javelin throw and third place in the Lower Austrian track and field championships. Nowotny also visited the 1936 Summer Olympics in Berlin. For his then mandatory Labour Service (Reichsarbeitsdienst), he joined the Luftwaffe on 1 October 1939. Nowotny had joined the Nazi Party (NSDAP—National Socialist German Workers' Party) in 1938 with a membership number 6,382,781. Luftwaffe career Nowotny's military basic training began at the 2. Flieger-Ausbildungsregiment 62 in Quedlinburg (1 October 1939 – 15 November 1939) and continued at the Luftkriegschule 5 in Breslau-Schöngarten (16 November 1939 – 30 June 1940). He was promoted to Fahnenjunker-Gefreiter on 1 March 1940 and shortly afterwards, on 1 April 1940, to Fahnenjunker-Unteroffizier. On 1 July 1940, Notwotny was promoted again, to the rank of Fähnrich. He completed his pilot training and received the Pilot Badge on 19 August 1940. Nowotny also trained as a fighter pilot at the Jagdfliegerschule 5 in Wien-Schwechat (1 August 1940 – 15 November 1940), the same school that Hans-Joachim Marseille had attended one year earlier. One of his teachers at the Jagdfliegerschule 5 was the Austro-Hungarian World War I ace Julius Arigi. Here Nowotny befriended Karl Schnörrer and Paul Galland, the younger brother of General der Jagdflieger Adolf Galland. After graduation from the Jagdfliegerschule 5, Nowotny was transferred to the I./Ergänzungs-Jagdgruppe Merseburg on 16 November 1940, flying fighter cover for the Leuna industrial works. With Jagdgeschwader 54 Nowotny was posted to the Ergänzungsstaffel (Training/Supplement Squadron) of Jagdgeschwader 54 (JG 54) on 1 December 1940. JG 54 at the time was under the command of Major Hannes Trautloft. Nowotny was transferred again, this time to the 9. Staffel (9th squadron) of JG 54 (9./JG 54), the so-called Teufelsstaffel (Devils' Squadron) where he was further trained by veterans from the front line (23 February 1941 – 25 March 1941). From 25 March 1941 to 10 March 1942, Notwotny flew with the Stabsstaffel of the Ergänzungs-Jagdgruppe JG 54 where he was promoted to Leutnant on 1 April 1941, effective as of 1 February 1941. Nowotny flew a Messerschmitt Bf 109 E-7 (Werknummer 1173—factory number) "White 2" on his 24th operational mission on 19 July 1941 and claimed his first two enemy aircraft, both Polikarpov I-153 biplanes of Voenno-Vozdushnye Sily (VVS—Military Air Forces) KBF's 12