Complex sentence: In 1927, it became a civil airport named "Palmetto Field", for the large amount of palmetto brush growing in and around the airport.National Airlines commenced regular flights into the airfield in 1937, but those were soon discontinued due to the poor landing conditions.
Split into simpler sentences: In 1927, it became a civil airport named "Palmetto Field", for the large amount of palmetto brush growing in and around the airport. In the 1920s, National Airlines began making regular flights into the airfield in 1937, but those were soon discontinued due to the poor landing conditions.