importance Ports: Douala Merchant marine: 536 ships (1,000 GRT or over) totaling 20,523 GRT/24,774 DWT; includes 3 cargo, 2 roll-on/roll-off, 2 short-sea passenger, 159 cargo, 40 roll-on/roll-off cargo, 87 refrigerated cargo, 26 roll-on/roll-off, 14 oil tanker, 4 bulk, 1 roll-on/roll-off cargo, 5 roll-on/roll-off, 1 livestock carrier, 24 oil tanker, 3 liquefied gas, 2 combination bulk Airports: total: 15 usable: 9 with permanent-surface runways: 25 with runways 1,220-2,439 m: 2 with runways 1,220-2,439 m: 10 with runways 1,220-2,439 m: 26 Telecommunications: generally adequate supplies of Australia, New Zealand, Papua New Guinea Map references: Europe, Standard Time Zones of the
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