The purchase allowed the airport to receive $55,000 in federal funding that would only be available if it were public property.

[7] Boston Metropolitan Airport failed to grow during the Great Depression and during World War II, lost lucrative government contracts to nearby Hanscom Field.

After Helio merged with the Mid-States Manufacturing Corporation, Boston Metropolitan Airport used as a research and development facility with some limited amounts of construction.

In 1964, Helio left Canton for Hanscom Field when it moved to Bedford Airport.

In October 1963, Helio's first plane manufactured in Canton went into the National Air and Space Museum.