Bulgaria

Brunei National Air Transport System

number of registered air carriers: 8 inventory of registered aircraft operated by air carriers: 44 annual passenger traffic on registered air carriers: 1,118,689 annual freight traffic on registered air carriers: 1,583,340 mt-km (2015) Civil aircraft registration country code prefix: LZ (2016) Airports: 68 (2013) country comparison to the world: 73 Airports - with paved runways: total: 57 over 3,047 m: 2 2,438 to 3,047 m: 17 1,524 to 2,437 m: 12 under 914 m: 26 (2017) Airports - with unpaved runways: total: 11 914 to 1,523 m: 2 under 914 m: 9 (2013) Heliports: 1 (2013) Pipelines: gas 2,765 km; oil 346 km; refined products 378 km (2017) Railways: total: 5,114 km standard gauge: 4,989 km 1.435-m gauge (2,880 km electrified) narrow gauge: 125 km 0.760-m gauge (2014) country comparison to the world: 37 Roadways: total: 19,512 km paved: 19,235 km (includes 458 km of expressways) unpaved: 277 km note: does not include Category IV local roads (2011) country comparison to the world: 111 Waterways: 470 km (2009) country comparison to the world: 83 Merchant marine: total: 80 by type: bulk carrier 2, general cargo 18, oil tanker 8, other 52 (2017) country comparison to the world: 97 Ports and terminals: major seaport(s): Burgas, Varna (Black Sea)