Document ID: chunk:federal_register_of_legislation:F2024C00333:reg:9:p8
Version: federal_register_of_legislation:F2024C00333
Segment Type: reg
Provision Reference: reg 9 (pt 8/13)
Character Range: 123410–125994

specified in the aeroplane's flight manual.

11.24  Flight with inoperative ACAS
  An approved ACAS fitted to an aeroplane under section 11.22 may be inoperative at the beginning of a flight of the aeroplane only if:
 (a) either:
 (i) the flight begins:
 (A) from an aerodrome at which there is no facility for the ACAS to be repaired or replaced; and
 (B) within 72 hours of the time the ACAS was found to be inoperative; or
 (ii) the flight is to an aerodrome at which there is a facility for the ACAS to be repaired or replaced; and
 (b) if the aeroplane is required to be fitted with an altitude alerting system or assigned altitude indicator, as applicable — the system or indicator is not also inoperative.

11.25  Terrain awareness and warning system (TAWS)
 (1) This section applies to an aeroplane, for an IFR flight, or a VFR flight at night, if it is conducting a passenger transport operation or a medical transport operation.
 (2) If the aeroplane is a turbine-engine aeroplane:
 (a) with an MTOW of more than 5 700 kg; or
 (b) that is carrying 10 or more passengers;
then it must be fitted with a TAWS-Class A.
 (3) If the aeroplane is a turbine-engine aeroplane:
 (a) with an MTOW of 5 700 kg or less; and
 (b) that is carrying 10 or more passengers;
then, it must be fitted with a TAWS-Class A or a TAWS-Class B+.
 (4) If the aeroplane is a piston-engine aeroplane:
 (a) with an MTOW of more than 5 700 kg; or
 (b) that is carrying 10 or more passengers;
then it must be fitted with a TAWS-Class A, a TAWS-Class B+ or TAWS-Class B.
 (5) This section applies subject to sections 11.25A and 11.26.

11.25A  Transitional provision—CAO 20.18
 (1) In this section:
CAO 20.18 means Civil Aviation Order 20.18.
TAWS-B+ system has the meaning given by paragraph 2.1 of repealed CAO 20.18, as in force immediately before the commencement of this instrument.
 (2) This section applies to a turbine-engine aeroplane, for an IFR flight, which:
 (a) is conducting a passenger transport operation; and
 (b) has an MTOW of 5 700 kg or less; and
 (c) is carrying 10 or more passengers; and
 (d) is fitted with visual display of a TAWS-B+ system that is not compliant with the TAWS-Class B+ terrain display requirements before 2 December 2023.
 (3) Despite section 11.25, until immediately before 3 June 2024, the aeroplane must be fitted with one of the following:
 (a) a TAWS‑B+ system;
 (b) a TAWS‑Class B+;
 (c) a TAWS-Class A.
 (4) This section applies subject to section 11.26.

11.26  Flight with inoperative TAWS equipment
  A TAWS fitted to an aeroplane under section 11.25 or