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Which runway designators are correct for 2 parallel runways?

  • A

    "06L" and "06R".

  • B

    "24" and "25".

  • C

    "26" and "26R".

  • D

    "18" and "18-2".

Refer to figure.
A runway designation marking shall be provided at the thresholds of paved runways, and to the extent practicable, of unpaved runways. A runway designation marking shall be located at a threshold as shown below as appropriate. If the runway threshold is displayed from the extremity of the runway, a sign showing the designation of the runway may be provided.

A runway designation marking shall consist of a two-digit number and on parallel runways shall be supplemented with a letter. On a single runway, dual parallel runways, and triple parallel runways the two-digit number shall be the whole number nearest one-tenth of the runway magnetic azimuth when viewed from the direction of approach.

In the case of parallel runways, each runway designation number shall be supplemented by a letter as follows, in the order shown from left to right when viewed from the direction of approach:

  • Two parallel runways: "L" for left runway, "R" for right runway
  • Three parallel runways: "L" for left runway, "C" for center runway, "R" for right runway

Therefore, the 2 parallel runways must be marked as “06L” and “06R”.

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