When was the first medEvac transport completed?

In 1926, the United States Army Air Corps used a converted DeHaviland aircraft to transport patients from Nicaragua to France Army Base in Panama, one hundred and fifty miles away. The first civilian air medical transport was completed in 1928 when a DeHaviland Fox Moth aircraft in the service of Australia’s Royal Flying Doctor Service took off on its first mission. The Royal Flying Doctor Service holds the distinction of being the first civilian air medical transport program.