Document ID: chunk:federal_register_of_legislation:F2024C01173:front:0:p6
Version: federal_register_of_legislation:F2024C01173
Segment Type: other
Provision Reference: 
Character Range: 22952–25894

Manual of Standards for Part 121 (Australian air transport operations—larger aeroplanes): see regulation 121.015 of CASR.

1.04  Definitions
Note: A number of expressions used in this instrument are defined in the Dictionary at the end of the Civil Aviation Safety Regulations 1998, or in section 3 of the Civil Aviation Act 1988. Some definitions in the Dictionary have been included in section 1.04, or another provision of this instrument, for ease of reference.
 (1) In this instrument:
ACAS means airborne collision avoidance system.
accelerate stop distance available means the length of the take-off run available plus the length of the stopway.
actual landing distance: see subsection 9.13(1).
additional fuel means the supplementary amount of fuel required to allow an aeroplane that suffers engine failure or loss of pressurisation at the most critical point along a route, whichever results in the greater subsequent fuel consumption, to:
 (a) proceed to an alternate aerodrome; and
 (b) fly for 15 minutes at a holding speed at 1 500 ft above the aerodrome elevation in ISA conditions; and
 (c) make an approach and landing.
adequate aerodrome: see Part 1 of the CASR Dictionary.
ADF means automatic direction finder.
aerodrome forecast means:
 (a) for an aerodrome in Australian territory—an authorised weather forecast for the aerodrome issued by the Bureau of Meteorology, that is labelled as a "TAF"; and
 (b) for an aerodrome outside Australian territory—an authorised weather forecast for the aerodrome that meets the requirements of standard 6.2 of Annex 3, Meteorological Service for International Air Navigation, to the Chicago Convention, in relation to an aerodrome.
Note: TAF is an acronym for terminal area forecast.
airborne collision avoidance system: see Part 1 of the CASR Dictionary.
airframe/engine combination means a combination of an aeroplane model and an engine model, identified on an aeroplane's type certification data sheet for the purposes of extended diversion time operations.
alternate aerodrome has the same meaning as in Annex 2 to the Chicago Convention.
Note: At the commencement of this instrument, Chapter 1 of Annex 2 to the Chicago Convention included the following definition:
 "Alternate aerodrome.  An aerodrome to which an aircraft may proceed when it becomes either impossible or inadvisable to proceed to or to land at an aerodrome of intended landing where the necessary services and facilities are available, where aircraft performance requirements can be met and which is operational at the expected time of use. Alternate aerodromes include the following:

                Take‑off alternate:  An alternate aerodrome at which an aircraft would be able to land should this become necessary shortly after take‑off and it is not possible to use the aerodrome of departure.

                En‑route alternate:  An alternate aerodrome at which an aircraft would be able to land in the