
Transportation
number of registered air carriers: 2 inventory of registered aircraft operated by air carriers: 35 annual passenger traffic on registered air carriers: 1,803,112 annual freight traffic on registered air carriers: 41,954,600 mt-km (2015) Civil aircraft registration country code prefix: 4K (2016) Airports: 37 (2013) country comparison to the world: 108 Airports - with paved runways: total: 30 over 3,047 m: 5 2,438 to 3,047 m: 5 1,524 to 2,437 m: 13 914 to 1,523 m: 4 under 914 m: 3 (2017) Airports - with unpaved runways: total: 7 under 914 m: 7 (2013) Heliports: 1 (2012) Pipelines: condensate 89 km; gas 3,890 km; oil 2,446 km (2013) Railways: total: 2,944.3 km broad gauge: 2,944.3 km 1.520-m gauge (approx. 1,767 km electrified) (2017) country comparison to the world: 62 Roadways: total: 52,942 km paved: 26,789 km unpaved: 26,153 km (2006) country comparison to the world: 76 Merchant marine: total: 311 by type: general cargo 48, oil tanker 48, other 215 (2017) country comparison to the world: 50 Ports and terminals: major seaport(s): Baku (Baki) located on the Caspian Sea