the aviation historian Roger Bilstein, it is uncertain when the
According to
the aviation historian Roger Bilstein, it is uncertain when the
first scheduled passenger service in the United States began. Silas Christofferson carried
passengers in 1913 by hydroplane between San Francisco and Oakland
harbors. In 1914, the St. Petersburg-Tampa Airboat line carried passengers between Tampa and
St. Petersburg, Florida, using a Benoist flying boat. The service was quite successful .