Published June 29, 2021
On 30 December 2011 the Minister of Transport issued Circular 73/2011/TT-BGTVT, enacting the national technical regulation on Vietnam's inland waterway aids to navigation, QCVN 39:2011/BGTVT. It defines the shape, colour, night signal and meaning of each type of aid installed on inland waterways, so that vessels can navigate them safely and easily.
Where the lantern sits on a buoy or beacon post decides whether a solar lantern gets enough sun; mount it on top, not inside the sign structure.
Jun 29, 2021
Under Decree 20/2009/ND-CP, structures over 45 m in Vietnam are aviation obstacles that need obstruction markings and lights, in line with ICAO Annex 14.
Jun 29, 2021
Over 6,000 lanterns on Vietnam's national waterways now report their status online, more than 2,000 with GPS; VIJA Technologies supplies the monitored lanterns.
Jun 29, 2021