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  • New multi-part AC for all-weather operations at aerodromes

    We would like your feedback on the new draft multi-part advisory circular (AC) on all-weather operations (AWO) at aerodromes. This multi-part AC will replace existing AC 139-19 - All-weather operations on aerodromes and will complement AC 91-11 - Aeroplane low visibility operations - conduct and approvals. An AWO involves an operation on an aerodrome (surface movement, take-off, departure, approach or landing) in conditions where visual reference is limited by weather... More
    Closed 12 March 2024
  • Global reporting format and Part 139 Miscellaneous Amendments - (CD 2313AS)

    Runway safety, particularly runway excursions, is one of the International Civil Aviation Organization’s (ICAO) top aviation safety priorities. The third most common landing excursion risk factor is ineffective braking action, which can occur when there are contaminants on the runway such as snow, ice, slush or water. This risk factor is confirmed by the main aircraft manufacturers and the Flight Safety Foundation. To address the issue, the ICAO Friction Task Force developed a... More
    Closed 27 November 2023
  • Guidelines for heliports - design and operation - Draft Advisory Circular (AC) 139.R-01 v1.0

    This advisory circular (AC) will provide guidance and information on physical and operational standards for heliports. Heliports are not regulated, so the intent of this AC is to provide some foundational specifications to help Helicopter Landing Site (HLS) owners and operators design, construct, maintain and operate their facilities in line with international standards and recommended practices. Draft AC 139.R-01 v1.0 replaces Civil Aviation Advisory Publications (CAAP)... More
    Closed 1 June 2022
  • Commissioning of aerodrome lighting systems – Draft AC 139.C-11 v1.0

    Aerodrome lighting provides visual guidance for pilots when approaching, landing and operating at an aerodrome at night or in reduced visibility conditions. Before commissioning any aerodrome lighting system, an aerodrome operator must ensure they complete a series of checks to meet the requirements contained in the Part 139 (Aerodromes) Manual of Standards (MOS). A new aerodrome lighting system must not be made available for use until it has been commissioned.... More
    Closed 23 November 2021
  • Obstacles (Wind Farms) outside the vicinity of a CASA certified aerodrome - draft advisory circular 139.E-05 v1.0

    This is the second version of an advisory Circular (AC) which relates to obstacles (wind farms) outside the vicinity of a Civil Aviation Safety Authority (CASA) Part 139 of the Civil Aviation Safety Regulations aerodrome. AC 139.E-05 v1.0, replaces AC 139-18 v0 - obstacle marking and lighting of wind farms, which was withdrawn from circulation in 2009. The purpose of AC 139.E-05 v1.0, is to provide guidance and advice about the CASA assessment of wind farm related aviation... More
    Closed 10 February 2021
  • Draft AC 139.C-06 v1.0 - Skid resistance of aerodrome pavements and Draft AC 139.C-07 v1.0 - Strength rating of aerodrome pavements (Part 139 consequential ACs)

    Civil Aviation Safety Amendment (Part 139) Regulations 2019 was made on 21 February 2019. Effective 13 August 2020, the Part 139 of CASR amendment: establishes a single certification framework for regulated aerodromes (certified) mandates that an aerodrome must be certified based on the publication of a terminal instrument flight procedure sets out the standards for the construction, maintenance and operation of certified aerodromes ... More
    Closed 10 September 2020
  • Draft AC 139.C-02 v1.0 - Aerodrome personnel

    An amendment to Part 139 of the Civil Aviation Safety Regulations (CASR) was made on 21 February 2019. Effective 22 August 2020, the amended Part 139 of CASR: establishes a single certification framework for regulated aerodromes (certified) mandates that an aerodrome must be certified based on the publication of a terminal instrument flight procedure sets out the standards for the construction, maintenance and operation of... More
    Closed 26 June 2020
  • Proposed Part 139 (aerodromes) transition strategy - (PP 1916AS)

    In order to facilitate a smooth transition for aerodrome operators to the new rule set, the Civil Aviation Safety Authority (CASA) has given a great deal of consideration to providing reasonable timelines and balance in terms of meeting the new regulatory requirements, while avoiding undue burden on existing aerodrome operators. Our objective is to ensure aerodromes can continue to operate while transition activities are undertaken. We are proposing delaying some of the new regulatory... More
    Closed 2 March 2020
  • Draft AC 139.A-03 v1.0 - Application of aerodrome standards and Draft AC 139.B-01 v1.0 - Applying for aerodrome certification (Part 139 consequential ACs)

    An amendment to Part 139 of the Civil Aviation Safety Regulations (CASR) was made on 21 February 2019. Effective 22 August 2020, the amended Part 139 of CASR: establishes a single certification framework for regulated aerodromes (certified) mandates that an aerodrome must be certified based on the publication of a terminal instrument flight procedure sets out the standards for the construction, maintenance and operation of certified... More
    Closed 27 November 2019
  • Notice of proposed rule making - Post-implementation review of the legislative framework for Part 139 - Aerodromes (NPRM 1426AS)

    Part 139 of the Civil Aviation Safety Regulations 1998 (CASR) and the subsidiary Part 139 Manual of Standards (MOS) were implemented in 2003. These rules regulate: the operation of certified, registered and ‘certain other’ aerodromes obstacles and hazards aerodrome radio communication services. By 2014, CASA and industry both recognised that a comprehensive review of the Part 139 legislative framework was necessary. While a review of the rules for fire... More
    Closed 15 December 2017
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