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The vectoring to intercept an ILS localiser course or an MLS final approach track for an independent approach to parallel runways shall be such as to enable the aircraft to be established in level flight at a distance of at least how many nautical miles prior to intercepting the ILS glide path or MLS elevation angle?
  • A
    3.0 NM.
  • B
    1.5 NM.
  • C
    2.0 NM.
  • D
    2.5 NM.

ICAO Doc 4444
6.7.3.2 Requirements And Procedures For Independent Parallel Approaches

6.7.3.2.3 When vectoring to intercept the ILS localizer course or MLS final approach track, the final vector shall enable the aircraft to intercept the ILS localizer course or MLS final approach track at an angle not greater than 30 degrees and to provide at least 2 km (1.0 NM) straight and level flight prior to ILS localizer course or MLS final approach track intercept. The vector shall also enable the aircraft to be established on the ILS localizer course or MLS final approach track in level flight for at least 3.7 km (2.0 NM) prior to intercepting the ILS glide path or specified MLS elevation angle.

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