Document ID: chunk:federal_register_of_legislation:F2023C00696:body:0:p32
Version: federal_register_of_legislation:F2023C00696
Segment Type: other
Provision Reference: 
Character Range: 90442–93366

critical area when the cloud ceiling is at, or below, 600 ft, or the visibility is 2 000 m or less, ATC must broadcast an appropriate warning to:

(a)         any approaching aircraft that have passed the ILS outer marker; or

(b)         if an outer marker is not available — any approaching aircraft that are within 4 NM of the landing runway threshold.

10.3.4.5         For subsection 10.3.4.4, appropriate warning means a warning that there may be ILS signal disturbance due to aircraft penetration of an ILS critical area.

10.3.4.6         If:

(a)         an instrument approach operation with minima less than precision approach Category I is conducted at an aerodrome; and

(b)         either:

(i)            the reported cloud ceiling is less than the instrument approach Category I decision height published in the AIP for the runway to be used; or

(ii)          the visibility is less than the precision approach Category I RVR minimum published in the AIP for the runway to be used;

then:

(c)          for the ILS critical area — once an arriving aircraft has passed the ILS outer marker or, if an outer marker is not available, is within 4 NM of the landing runway threshold, ATC must not permit other aircraft or any vehicle within the relevant ILS localiser or glidepath critical areas; and

(d)         for the ILS sensitive area — once an arriving aircraft is within 2 NM of the landing runway threshold, ATC must not permit other aircraft or any vehicle within the relevant ILS sensitive area.

10.3.4.7         If an aerodrome that supports a relevant aircraft's localiser-guided take-off has visibility of less than 550 m, ATC must not permit another aircraft or vehicle within the applicable ILS localiser critical and sensitive areas from the time the relevant aircraft has been cleared for take-off until it has completed its take off.
Note Pilots are required to notify ATC of an intention to conduct a guided take-off at start up.

10.3.5              Informing pilots when critical and sensitive areas are not protected

10.3.5.1         If:

(a)         ATC is not protecting an ILS critical or sensitive area according to subsections 10.3.4.6 or 10.3.4.7; and

(b)         an aircraft advises that an operation mentioned in subsection 10.3.5.2 is to be conducted;

ATC must inform the pilot in command of the aircraft that the relevant ILS critical or sensitive area is not being protected.

10.3.5.2         The operations are the following:

(a)         any approach with minima less than precision approach Category I;

(b)         autoland procedures;

(c)          localiser-guided take-off;

(d)         an operation similar to 1 mentioned in paragraphs (a) to (c).

Section 10.4:   Departures and Arrivals

10.4.1              Arriving Aircraft

10.4.1.1         To provide for the possibility of radio failure, aircraft under procedural control, cleared to the same holding point or