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For a precision approach category I lighting system, a row of lights on the extended centre line of the runway shall extend over a distance of (1) _____ from the threshold.

  • A

    300 m

  • B

    600 m

  • C

    900 m

  • D

    1200 m

Refer to figure.
A precision approach category I lighting system is used for instrument landing system (ILS) CAT I landings.

It consists of a row of lights on the extended centre line of the runway extending, wherever possible, over a distance of 900 m from the runway threshold. The extended centre line and cross bars are fixed lights showing variable white.

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