Afghanistan Airports Layer Source: Afghanistan Information Mangement Service (AIMS) (2000) Description: Airport locations. Spatial Resolution: 1:250,000

Malaysia Airports Layer Source: Digital Chart of the World (1992) Description: Airport locations. Spatial Resolution: 1:1,000,000

Nicaragua Airports Layer Source: Comision Nacional de Energia (received Mar 2004) Description: Airport locations in Nicaragua. Spatial Resolution: Unknown

Brazil Airports Layer Source: ROTAER, a publication of Department of Air Space Control - Ministry of Aeronautic - Brazil (2004) Description: Airports. Spatial Resolution: Unknown

Cambodia Airports Layer Source: Digital Chart of the World (1992) Description: Airport locations. Spatial Resolution: 1:1,000,000

Ghana Airports Layer Source: Digital Chart of the World (1992) Description: Airport locations. Spatial Resolution: 1:1,000,000

Turkey Airports Layer Source: Government of Turkey, received 2009 Description: Airport locations in Turkey. Spatial Resolution: Unknown

Indonesia Airports Layer Source: Digital Chart of the World (1992) Description: Airport locations. Spatial Resolution: 1:1,000,000

Guatemala Airports Layer Source: Ministerio de Agricultura, Ganaderia y Alimentacion (Jun 2001) Description: Airport locations in Guatemala. Spatial Resolution: 1:250,000

El Salvador Airports Layer Source: Minesterio de Medio Ambiente y Recursos Naturales (received Jun 2004) Description: Airport locations in El Salvador. Spatial Resolution: Unknown