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Manual of Standards Part 172—Air Traffic Services
Version 2.2
made under regulation 172.022 of the
Civil Aviation Safety Regulations 1998

Compilation No. 11

Compilation date: 01 August 2023

Includes amendments up to: F2023L01044

Prepared by the Flight Standards Branch, National Operations & Standards Division, Civil Aviation Safety Authority, Canberra.

Manual of Standards Part 172—Air Traffic Services

© Civil Aviation Safety Authority

This work is copyright. You may download, display, print and reproduce this material in unaltered form only (retaining this notice) for your personal, non-commercial use or use within your organisation. Apart from any use permitted under the Copyright Act 1968, all other rights are reserved.

Requests for authorisation should be directed to:

 Corporate Communications
 Civil Aviation Safety Authority
 GPO Box 2005
 Canberra ACT 2601
Email: PublicEnquiries@casa.gov.au
Version 2.2: August 2023

Table of Contents
Table of Contents
Foreword
Chapter 1: Introduction
Section 1.1: General
1.1.1 Background
1.1.2 Document Set
1.1.3 Differences Between ICAO Standards and those in MOS
1.1.4 Differences Published in AIP
1.1.5 MOS Documentation Change Management
1.1.6 Related Documents
Section 1.2: Abbreviations and Definitions
1.2.1 Abbreviations
1.2.2 Definitions
Chapter 2: Operations Manual
Section 2.1: General
2.1.1 Introduction
2.1.2 Content of the Operations Manual
Chapter 3: ATS Facilities and Equipment
Chapter 4: Fatigue Management
Chapter 5: Training and Checking Program
Section 5.1: General
5.1.1 Introduction
5.1.2 Program
5.1.3 Competency
5.1.4 Training Courses
5.1.5 Emergency Training
5.1.6 Refresher Training
5.1.7 On-going Training
5.1.8 Remedial Training
5.1.9 Checking
5.1.10 Qualifications of Trainers and Checkers
Chapter 6: Safety Management System
Section 6.1: General
6.1.1 Features of Safety Management System
6.1.2 Safety Case Preparation
Chapter 7: Contingency Plans
Section 7.1: General
7.1.1 Introduction
7.1.2 Minimum Contents
Chapter 8: Security Program
Section 8.1: General
8.1.1 Introduction
8.1.2 Security Measures
Chapter 9: Documents and Records
Section 9.1: General
9.1.1 Documents
9.1.2 Records
9.1.3 Records to be Kept
9.1.4 Maintaining Records
9.1.5 Maintaining Operational Log Books
9.1.6 Voice and Data Recording
Chapter 10: Standards for the Provision of
Air Traffic Services
Section 10.1: General
10.1.1 Purpose
10.1.2 Air Traffic Services Commensurate with Airspace Classification
10.1.3 Traffic Priorities
10.1.4 Relaxation of Speed Restrictions
10.1.5 SARWATCH for IFR Aircraft conducting VFR Operations
Section 10.2: ATS surveillance systems
10.2.1 Use of ADS-B surveillance
10.2.2 Operation of ADS-B transmitters
10.2.3 Verification of level information
10.2.4 Determination of level occupancy using ATS surveillance
system-derived level information
10.2.5 Establishment of identification
10.2.6 Position information
10.2.7 Use of Speed Control
10.2.8 Termination of ATS surveillance services
10.2.9 Obstacle clearance
10.2.10 Vectoring special VFR
10.2.11 Issuing ATS surveillance system derived distance
Section 10.3: Circuits and Runways
10.3.1 Selection of Runway in Use
10.3.2 Simultaneous Parallel Runway Operations
10.3.3 Procedures for Low Visibility Operations
10.3.4 Protecting ILS critical and sensitive areas
10.3.5 Informing pilots when