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.
ARRIVAL BY AIRPLANE. The international airport in Trinidad is the Piarco International Airport and it is 27km / 15 miles from the capital, Port of Spain. ANR Robinson International Airport is located 13km/8 miles from Tobago's capital, Scarborough at the southern end of the island.