Surface Finish Definitions: 1  Ra: Ra is the arithmetic average of the absolute values of the roughness profile ordinates. Also known as Arithmetic Average (AA), Center Line Average (CLA). 2  Rz: Rz is the arithmetic mean value of the single roughness depths of consecutive sampling lengths.
Lynden Pindling International Airport (IATA: NAS, ICAO: MYNN) (formerly known as Nassau International Airport) is the largest airport in The Bahamas, and the largest international gateway into the Bahamas. Nassau Airport is located 10 miles (16km) to the west of the capital city of Nassau. The airport contains U.S. Border preclearance facilities allowing all US flights to operate as domestic flights upon arrival within the United States.
The closest major airport to Johns Island, FL is Melbourne International Airport (MLB / KMLB). This airport is in Melbourne, Florida and is about 38 driving miles from the cen â¦ ter of Johns Island, FL. 2 people found this useful.