Document ID: chunk:federal_register_of_legislation:F2024C00332:reg:8:p5
Version: federal_register_of_legislation:F2024C00332
Segment Type: reg
Provision Reference: reg 8 (pt 5/11)
Character Range: 186732–189596

or
 (b) a single landing light, having 2 independent and separately-energised illumination sources.

11.15  Navigation lights
 (1) A rotorcraft operating at night must be fitted with navigation lights.
 (2) Subject to section 8.08, when required to be fitted, navigation lights must be displayed during a flight or on the movement area of an aerodrome.

Division 6—Alerting and warning system requirements

11.16  Altitude alerting equipment and assigned altitude indicator
 (1) A pressurised rotorcraft must be fitted with altitude alerting equipment in accordance with subsection (3).
 (2) A rotorcraft, other than a pressurised rotorcraft, for an IFR flight, or a VFR flight at night, must be fitted with:
 (a) an assigned altitude indicator; or
 (b) altitude alerting equipment in accordance with subsection (3).
 (3) For subsection (1) or paragraph (2)(b), the altitude alerting equipment must:
 (a) include an assigned altitude indicator; and
 (b) alert the flight crew if the rotorcraft approaches a preselected altitude; and
 (c) alert the flight crew, including by an aural or visual warning, if the rotorcraft deviates from a preselected altitude.
 (4) This section applies subject to section 11.17.

11.17  Rotorcraft flown with inoperative altitude alerting equipment or assigned altitude indicator
  Altitude alerting equipment (the equipment) or an assigned altitude indicator (the indicator), fitted to a rotorcraft under section 11.16, may be inoperative at the beginning of a flight of the rotorcraft, but only if the flight begins:
 (a) within 72 hours of the time the equipment, or indicator, was found to be inoperative; and
 (b) from an aerodrome at which there is no facility for the equipment, or indicator, to be repaired or replaced.

11.18  Terrain awareness and warning system (TAWS)
 (1) In this section:
approved HTAWS means a HTAWS that is authorised by CASA, or the NAA of a recognised country, in accordance with (E)TSO-C194.
HTAWS means helicopter terrain awareness and warning system.
 (2) This section applies to a rotorcraft for an IFR flight:
 (a) with a maximum operational passenger seat configuration of more than 9; and
 (b) that is conducting a passenger transport operation.
 (3) This section also applies to a rotorcraft, for an IFR flight, conducting a medical transport operation.
 (4) With effect from the beginning of 2 December 2023, a rotorcraft must be fitted with an approved HTAWS.
 (5) This section applies subject to section 11.19.

11.19  Flight with inoperative TAWS equipment
  A HTAWS, fitted to a rotorcraft under section 11.18, may be inoperative at the beginning of a flight of the rotorcraft, but only if the flight begins:
 (a) from an aerodrome at which there is no facility for the HTAWS to be repaired or replaced; and
 (b) within 24 hours of the time the HTAWS was found to be inoperative.

11.20