Flight operation regulations have changed
The flight operations rules changed on 2 December 2021. See all information about transitioning.
Read moreThe flight operations rules changed on 2 December 2021. See all information about transitioning.
Read morePart 121 of the Civil Aviation Safety Regulations (CASR) covers the air transport rules for larger aeroplanes.
The term air transport replaces both charter, regular public transport (RPT) and air ambulance when conducted for hire or reward. It adds the transport of medical supplies or medical personnel for hire or reward as well.
You will also need to comply with Part 119. This rule sets out the general certification and management for air transport operations.
If you conduct other air transport operations, such as smaller aeroplane air transport or rotorcraft air transport, you need to comply with other CASR flight operations rules.
Visit our flight operations transition section to find out more.
Part 121 generally applies to air transport operations in aeroplanes with:
Subpart 121.Z applies to air transport operations in single-engine aeroplanes with a seating capacity of:
All operators and pilots also need to comply with Part 91 – General operating and flight rules. Please note Part 121 may add to or turn off some Part 91 requirements – either completely or partially.
Legislative instruments apply to a broad range of people. These instruments include Manuals of Standards and exemptions to regulatory requirements.
Instruments related to this part will display in this space or you can view our list of legislative instruments.
10 legislative instruments available
Non-legislative instruments apply to a particular person. Some exemptions to regulatory requirements in aviation regulations or a Manual of Standards may be listed here.
Non-legislative instruments related to this part will display in this space or you can view our list of non-legislative instruments.
9 non-legislative instruments available
Non-legislative instruments apply to a particular person. Some exemptions to regulatory requirements in aviation regulations or a Manual of Standards may be listed here.
Non-legislative instruments related to this part will display in this space or you can view our list of non-legislative instruments.
12 guidance material available
Acceptable means of compliance and guidance material (AMC-GMs) for part 121 Australian air transport operations - larger aeroplanes.
Advisory Circular AC 1-02 provides information to the aviation industry, detailing the requirements to have and maintain an exposition or operations manual to meet the regulatory requirements of CASR and the MOS.
Advisory Circular AC 1-03 provides advice on CASR regulations pertaining the flight operations. They include Parts 91, 119, 121,133, 135 and 138 of CASR, specifically for those transitioning to these regulations on 2 December 2021.
Advisory Circular AC 121-03 reflect CASA's pre-determined acceptable means of compliance with requirements within the civil aviation legislation for certain aeroplane operators and training providers to conduct UPRT programs
Advisory Circular Multi-Part AC 121-08, AC 133-08 and AC 135-06 provides guidance regarding the requirements for carry-on baggage
Multi-Part Advisory Circular AC 121-05, AC 133-04 and AC 135-08 describes acceptable methods for calculating passenger, crew and checked baggage weights for an Australian air transport operator.
Multi-Part Advisory Circular AC 121-09, AC 133-06 and AC 135-10 provides guidance regarding the requirements for the carriage of special categories of passengers (SCPs) for operations that fall under Parts 91, 133, 135 and 121 of CASR.
Multi-Part Advisory Circular AC 121-10, AC 133-07 and AC 135-11 provides guidance regarding the requirements for assigning passengers to seats in an emergency exit row for operations that fall under Parts 133, 135 and 121 of CASR.
CAAP 48-01 provides guidance on meeting the AOC holder and flight crew member (FCM) obligations in relation to fatigue risk management, required under Civil Aviation Order (CAO) 48.1 Instrument 2019.
Multi-Part Advisory Circular AC 91-19, AC 121-04, AC 133-10, AC 135-12 and AC 138-10 provides guidance regarding the requirements for safety briefing cards and passenger safety briefings, instructions and demonstrations for operations.
This AC provides guidance for operators relating to their management of the continuing airworthiness, and maintenance, of aircraft being used for their operations.
This AC provides guidance regarding the requirements for registration and use of emergency location transmitters for operations that fall under Parts 91, 121, 133, and 135 of CASR.
Supporting resources related to this part will appear in this space. These are used in conjunction to support the formal guidance material listed above.
5 supporting resources available
This document is intended to assist persons who will conduct air transport operations under Part 121 of CASR to prioritise their actions to transition to the new flight operations regulations.
The purpose of this document is to present and summarise the key elements of these determinations in plainer English, as the legal instruments themselves are relatively lengthy, repetitive and complex.
Impact of new flight operations regulations on flight crew licencing exams. The introduction of the new flight operations regulations on 2 December 2021 will mean changes to the various flight crew licensing (FCL) theory exams.
Use this form to submit, and apply for an approval of, the Training and Checking System section of an exposition or operations manual as part of the transition to Parts 119, 121, 133, 135, and 138 of the CASR.
Use this self-assessment worksheet to confirm your training and checking system complies with the regulations for training and checking systems in accordance with Part 119 and Part 121 of the Civil Aviation Safety Regulations 1998 (CASR).