Pipelines:
gas 4,451 km; oil 1,518 km (2004)
Ports and harbors:
Baku (Baki)
Merchant marine:
total: 81 ships (1,000 GRT or over) 253,004 GRT/318,922 DWT
by type: cargo 26, passenger 2, passenger/cargo 8, petroleum tanker
41, roll on/roll off 2, specialized tanker 2
registered in other countries: 3 (2005)
Airports:
50 (2004 est.)
Airports - with paved runways: total: 27 over 3,047 m: 2 2,438 to 3,047 m: 6 1,524 to 2,437 m: 15 914 to 1,523 m: 3 under 914 m: 1 (2004 est.)
Airports - with unpaved runways: total: 23 2,438 to 3,047 m: 1 1,524 to 2,437 m: 1 914 to 1,523 m: 6 under 914 m: 15 (2004 est.)
Heliports: 2 (2004 est.)
Military Azerbaijan
Military branches:
Army, Navy, Air and Air Defense Forces
Military service age and obligation: 18 years of age for compulsory and voluntary military service; law passed December 2001 raises maximum conscription age from 28 to 35 (December 2001)