Environmental Data Coding Specifcation        ISO IEC LogosRight Title Graphic
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Status: STD 2005/06/07
Code: 49

Concept definition: Consists of seven omnidirectional flashing <LIGHT>s located in the approach area of a nonprecision <RUNWAY>; ODALS. Five <LIGHT>s are located on the centre-line of the <RUNWAY> extended with the first <LIGHT> located 91,44 metres (300 feet) from the threshold of the <RUNWAY> and extending at equal intervals up to 457,2 metres (1 500 feet) from the threshold. The other two <LIGHT>s are located, one on each side of the threshold of the <RUNWAY>, at a lateral distance of 12,192 metres (40 feet) from the edge of the <RUNWAY>, or 22,86 metres (75 feet) from the edge when installed on a <RUNWAY> equipped with a <<<VASI>>> [F7110.65, "AIRPORT LIGHTING", a.9].
Reference type: IR
Reference: [FACC, Annex B, LFA:23]
Supplemental references:  

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