1915年，張惠長同楊仙逸一齊被送往林森奉命喺美國成立嘅空軍學校學習飛行技術，後來張惠長又轉入美國寇蒂斯航空學校學習。1917年回國，任孫中山大元帥府侍從副官。1918年，任大元帥府航空處副處長，曾揸飛機協同陸軍討伐龍濟光。1920年，任粵軍飛機隊第一隊隊長。1922年，任廣州航空局副局長、第一隊隊長、代局長。中國國民黨改組後，佢去蘇聯學習。1928年回國後任航空學校首任校長。1928年6月，任航空司令。仲做過國民革命軍第八路軍總指揮部航空處處長。1928年11月11號，以張惠長為機長嘅「廣州」號陸上飛機從廣州大沙頭機場起飛，經十二個省最後抵達南京，成為中國航空史上里程碑。1929年8月24號，出任軍政部航空署署長。1929年9月10號，出任中國航空公司副理事長。
In 1915, Zhang Huichang and Yang Xianyi were sent to Lin Sen to learn flying skills at the Air Force School established in United States, and later Zhang Huichang transferred to the United States Curtis Aviation School to study. He returned to China in 1917 and served as an adjutant of the Generalissimo Sun Yat-sen's palace. In 1918, he served as the deputy director of the Aviation Department of the Generalissimo's Office, and once cooperated with the army to defeat Long Jiguang. In 1920, he served as the captain of the first team of the Guangdong Army Aircraft Fleet. In 1922, he served as deputy director of the Guangzhou Aviation Bureau, captain of the first team, and acting director. After the reorganization of the Chinese Kuomintang, he went to study in the Soviet Union. After returning to China in 1928, he served as the first principal of the aviation school. In June 1928, he was appointed Commander of Aviation. He also served as the director of the Aviation Division of the General Headquarters of the Eighth Route Army of the National Revolutionary Army. On November 11, 1928, the Guangzhou land aircraft with Zhang Huichang as the captain took off from Guangzhou Dashatou Airport and finally arrived in Nanjing through 12 provinces, marking a milestone in the history of Chinese aviation. On August 24, 1929, he was appointed Director of the Aviation Department of the Ministry of Military Affairs. On September 10, 1929, he was appointed Vice Chairman of China Airlines.