人们认识到，通常由玻璃纤维增强塑料（GRP）制成的小型容器可能是雷达信号的不良反射器。在雷达是海上船舶使用的主要观测工具的情况下，国际海事组织认为，在这种情况下，被视为150总吨位以下的小型船舶必须配备雷达反射器，以增强其雷达回波，从而提高其对雷达的能见度。 ISO 8729-2:2009规定了IMO MSC决议要求的雷达反射器的最低要求，该反射器旨在增强小型船舶的返回。164(78). 它提供了此类雷达反射器的构造、性能、测试、检查和安装规范。

It is recognised that small vessels, often made of glass fibre reinforced plastic (GRP), can be poor reflectors of radar signals. In situations where radar is the prime observation tool used by ships at sea, the International Maritime Organisation considers that it is essential that small vessels, considered in this context to be those under 150 gross tonnage, be equipped with a radar reflector to enhance their radar return and thus improve their visibility to radar. ISO 8729-2:2009 specifies the minimum requirements for a radar reflector intended to enhance returns from small vessels as required by IMO Resolution MSC.164(78). It provides the specification for the construction, performance, testing, inspection and installation of such radar reflectors.