Counting from the runway in a north-westerly direction, this crossbar was Bar 4 ( (later renamed Bar 5 after the runway extension was completed in 1974) of the Runway 13 Approach Light System. The high intensity lights were white coloured directional lights used by day or night when the visibility was poor whilst the low intensity lights were red coloured omni-directional lights used at night during good visibility conditions.
To make the centreline of the curved approach over the final segment more conspicuous to arriving aircraft, strobe lights would flash in sequence from a point in Yau Yat Chuen until touchdown.
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Re: Kai Tak Approach Lights
Counting from the runway in a north-westerly direction, this crossbar was Bar 4 ( (later renamed Bar 5 after the runway extension was completed in 1974) of the Runway 13 Approach Light System. The high intensity lights were white coloured directional lights used by day or night when the visibility was poor whilst the low intensity lights were red coloured omni-directional lights used at night during good visibility conditions.
To make the centreline of the curved approach over the final segment more conspicuous to arriving aircraft, strobe lights would flash in sequence from a point in Yau Yat Chuen until touchdown.