Document ID: chunk:federal_register_of_legislation:F2024C01244:reg:5:p110
Version: federal_register_of_legislation:F2024C01244
Segment Type: reg
Provision Reference: reg 5 (pt 110/225)
Character Range: 596496–599130

have a minimum light intensity in accordance with Table 9.75 (2) and Figures 9.75 (1) and 9.75 (2).

9.69 Hold short lights

       (1) A runway intended to accommodate land and hold short operations (LAHSO) must have hold short lights.

       (2) Hold short lights must:

(a) be at least 6 inset lights; and

(b) be located across the runway as near to the hold short line as possible; and

(c) not be located beyond, and not more than 3 m before, the hold short line; and

(d) be at least 75 m from the centreline of the intersecting runway.

       (3) Hold short lights must be:

(a) at right angles to the runway; and

(b) located symmetrically about the runway centreline; and

(c) such that the closest lights to the runway centreline are offset on each side at 1.5 m from the centreline, with subsequent lights spaced at 3 m.

       (4) Hold short lights must:

(a) be unidirectional; and

(b) show white in the direction of approach to the hold short position; and

(c) have photometric characteristics in accordance with Figure 9.75 (8).

       (5) Hold short lights must:

(a) flash, in unison, at between 25 and 35 flashes per minute (a cycle); and

(b) have an illumination period that is approximately 2/3, and a light suppression period that is approximately 1/3, of the total period of each cycle.

       (6) Each bar of hold short lights must be such that the ATC operator controlling a LAHSO operation may individually control, set the intensity of, and monitor the serviceability requirements for, the lights.

       (7) If a secondary power supply is available, hold short lights must be connected to the secondary power supply, with changeover times not greater than for the runway lighting on the same runway.

9.70 Runway centreline lights

       (1) Runway centreline lights must be provided on the following:

(a) a precision approach CAT II or CAT III runway;

(b) a runway intended for take-offs with an operating minimum below an RVR of 350 m.

Note   Runway centreline lights are also recommended for the following runways if the width between the runway edge lights is greater than 50 m:
(a) precision approach CAT I runways;
(b) runways intended for take-offs with an operating minimum equal to or above an RVR of 350 m.

       (2) Runway centreline lights must be located from the threshold to the runway end at longitudinal spacing of approximately:

(a) on a runway intended for use in RVR conditions less than 350 m — 15 m; and

(b) on a runway intended for use in RVR conditions of 350 m or greater — 30 m.

       (3) The runway centreline lights may be offset by not more than 0.6 m from