Amazon river navigation - free translation of article written by cap. r nulfo
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Publicado: 22 de junio de 2011
SAILING CHARACTERISTICS FOR OCEAN-GOING VESSELS IN THE AMAZON RIVER TO IQUITOS
From Macapá/Fazendinha, in the mouth of the Amazon River, in the Atlantic Ocean, 718 miles are sailed up to Manaos,then 908 miles up to the triple Border (Tabatinga, Brazil – Leticia, Colombia – Santa Rosa, Peru) and finally, 275 miles until reaching Iquitos. In total, 1,901 miles.
It should be recalled that inBrazil, the section of the Amazon River from the Triple Border to Manaos is named Solimoes.
Through the southern mouth of the Amazon River, from Belem, 896 miles are sailed up to Manaos, then 908miles up to the triple border and 275 miles to Iquitos. In total, 2,079 miles.
The river current is approximately 4 to 5 knots.
The maximum draught with which high vessels may sail to Iquitosis approximately 26 feet in high tide and 14 to 15 feet in low tide, which at times requires lightening part of the ocean-going vessels into river barges, at distances of up to 500 miles fromIquitos; that is, approximately when reaching the mouth of the Putumayo River. Sometimes full lighterage has been required and, in this case, the vessel returns to sea without reaching Iquitos. Two riverpilots are required throughout the Amazon River course. In the section from Manaos to Iquitos the river is not marked with beacons and canals change constantly. During the low tide the vessel mustanchor and stay overnight in order to pass certain bad sections during the day. It is important to note that the vessel could get stranded when the water level is low in a bad section of the river,which would prevent it from returning to sea.
These changes in the water level of the river and its Canals in the Manaos to Iquitos area, during the low tide season, strongly affect the cargo tonnageand draught the vessel must have during its journey to Iquitos. This decision should be made before booking the cargo and, therefore, before loading it in the port of origin, considering the date...
From Macapá/Fazendinha, in the mouth of the Amazon River, in the Atlantic Ocean, 718 miles are sailed up to Manaos,then 908 miles up to the triple Border (Tabatinga, Brazil – Leticia, Colombia – Santa Rosa, Peru) and finally, 275 miles until reaching Iquitos. In total, 1,901 miles.
It should be recalled that inBrazil, the section of the Amazon River from the Triple Border to Manaos is named Solimoes.
Through the southern mouth of the Amazon River, from Belem, 896 miles are sailed up to Manaos, then 908miles up to the triple border and 275 miles to Iquitos. In total, 2,079 miles.
The river current is approximately 4 to 5 knots.
The maximum draught with which high vessels may sail to Iquitosis approximately 26 feet in high tide and 14 to 15 feet in low tide, which at times requires lightening part of the ocean-going vessels into river barges, at distances of up to 500 miles fromIquitos; that is, approximately when reaching the mouth of the Putumayo River. Sometimes full lighterage has been required and, in this case, the vessel returns to sea without reaching Iquitos. Two riverpilots are required throughout the Amazon River course. In the section from Manaos to Iquitos the river is not marked with beacons and canals change constantly. During the low tide the vessel mustanchor and stay overnight in order to pass certain bad sections during the day. It is important to note that the vessel could get stranded when the water level is low in a bad section of the river,which would prevent it from returning to sea.
These changes in the water level of the river and its Canals in the Manaos to Iquitos area, during the low tide season, strongly affect the cargo tonnageand draught the vessel must have during its journey to Iquitos. This decision should be made before booking the cargo and, therefore, before loading it in the port of origin, considering the date...
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