Document ID: chunk:federal_register_of_legislation:F2024C01173:front:0:p1
Version: federal_register_of_legislation:F2024C01173
Segment Type: other
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Character Range: 0–4752

Part 121 (Australian Air Transport Operations—Larger Aeroplanes) Manual of Standards 2020

made under the Civil Aviation Safety Regulations 1998.

Compilation No. 3

Compilation date: 23 November 2024

Includes amendments up to: F2024L01484

Prepared by the Advisory and Drafting Branch, Legal, International and Regulatory Affairs Division, Civil Aviation Safety Authority, Canberra.
Contents
Chapter 1—Preliminary 1
1.01  Name.................................................1
1.03  Authority...............................................1
1.04  Definitions..............................................1
1.05  References to AS/NZS standards, TSOs, ETSOs etc.....................12
1.06  References in type design and certification documents—EDTO..............13
Chapter 2—Extended diversion time operations (EDTO) 14
Division 1—Criteria for the grant of EDTO approval 14
2.01  Scope of Division 1, Chapter 2.................................14
2.02  Turbine-engine aeroplanes....................................14
2.03  Type design and certification documents...........................14
2.04  Capability of aeroplane for EDTO—general.........................14
2.05  Capability of operator—EDTO required system serviceability...............15
2.06  Diversion time for 2-engine aeroplanes............................16
2.07  Diversion time for 3- or 4-engine aeroplanes.........................16
2.08  Polar region............................................16
2.09  Care and safety of passengers and crew............................17
Division 2—Form of application for EDTO approval 18
2.10  Scope of Division 2, Chapter 2.................................18
2.11  Form of application........................................18
Division 3—Factors to be considered by CASA in approving EDTO 20
2.12  Scope of Division 3, Chapter 2.................................20
2.13  Safety compensating factors...................................20
2.14  Capability and competence to conduct EDTO........................20
Division 4—Requirements for conduct of EDTO 21
2.15  Scope of Division 4, Chapter 2.................................21
2.16  Flight planning limitations for all EDTO flights.......................21
2.17  Additional flight planning limitations—EDTO beyond 180 minutes...........21
2.18  Flight dispatch requirements for EDTO............................22
2.19  Dispatch requirements for EDTO beyond 180 minutes...................23
2.20  In‑flight operational procedures for EDTO.....................24
Division 5—General conditions on EDTO approvals 26
2.21  Scope of Division 5, Chapter 2.................................26
2.22  EDTO procedures—flight dispatcher duties.........................26
2.23  Training and checking—flight dispatchers..........................26
2.24  Quarterly EDTO summary reports—2‑engine aeroplanes............26
2.25  Navigation documents for EDTO................................27
2.26  In-flight event reporting for EDTO...............................28
Chapter 3—Carriage of documents and emergency and survival equipment information              29
Division 1—Flight related documents 29
3.01  Carriage of documents—all flights...............................29
3.02  Carriage of documents—flights that begin or end outside Australian territory......30
3.03  Keeping and updating documents etc..............................30
Division 2—Emergency and survival equipment 31
3.04  Information about emergency and survival equipment...................31
Chapter 4—Flight preparation (Part 121 alternate aerodromes) requirements 32
Division 1—Preliminary 32
4.01  Scope of Chapter 4........................................32
4.03  Definition of isolated destination aerodrome.........................32
4.04  Definition of relevant weather conditions...........................33
4.05  Estimated time of use of aerodromes for flight preparation (Part 121 alternate aerodromes) requirements              33
Division 2—Flight preparation (Part 121 alternate aerodrome) requirements 35
4.06  Certain weather forecast requirements.............................35
4.07  Take-off alternate aerodromes.................................37
4.08  Destination alternate aerodromes................................38
4.09  Planning destination alternate aerodrome—exception relating to ICAO landing forecasts or TAF3              40
4.10  Two destination alternate aerodromes for flight.......................41
4.11  Additional requirements—certain alternate and isolated destination aerodromes....41
4.12  Isolated destination aerodromes.................................43
4.13  Portable runway lighting—requirement to plan destination alternate aerodrome....44
4.14  Portable runway lighting at isolated