Document ID: chunk:federal_register_of_legislation:F2025C00187:front:0:p1
Version: federal_register_of_legislation:F2025C00187
Segment Type: other
Provision Reference: 
Character Range: 0–5201

Part 91 (General Operating and Flight Rules) Manual of Standards 2020

made under regulations 91.040 and 201.025 of the Civil Aviation Safety Regulations 1998 and section 4 of the Acts Interpretation Act 1901.

Compilation No. 6

Compilation date: 1 March 2025

Includes amendments up to: F2025L00082

Prepared by the Legal Services Branch, Legal, International and Regulatory Affairs Division, Civil Aviation Safety Authority, Canberra.
Contents
Note   This Table of Contents is for guidance only. It is not a formal part of the Part 91 Manual of Standards. See section 1.06.

Page
CHAPTER 1 PRELIMINARY............................................1
1.01 Name of instrument..........................................1
1.03 References to instruments and documents.........................1
1.04 References to ICAO documents.................................1
1.05 References to AS/NZS standards, TSOs, ETSOs, (E)TSOs............2
1.06 Table of Contents............................................2
1.07 Definitions and abbreviations...................................2
CHAPTER 2 PRESCRIPTIONS FOR CERTAIN DEFINITIONS IN THE
CASR DICTIONARY......................................18
Division 2.1 Definition of special VFR....................................18
2.01 Special VFR...............................................18
Division 2.2 Definition of specified aircraft performance category..............18
2.02 Specified aircraft performance category..........................18
Division 2.3 Definition of standard visual signal............................19
2.03 Purpose...................................................19
2.04 Light or projectile signals to aircraft on an aerodrome or in flight......19
2.05 Ground signals for aircraft at aerodromes.........................20
2.06 Hand signals for marshalling aircraft at aerodromes................21
Division 2.4 Definition of VMC criteria...................................21
2.07 VMC criteria...............................................21
Division 2.5 Definitions of specified cruising levels..........................24
2.08 Specified cruising levels......................................24
2.09 Specified cruising levels — at or north of 80° south................24
2.10 Specified cruising levels — south of 80° south....................26
CHAPTER 3 NVIS FLIGHTS...........................................28
Division 1 Purpose, application and definitions...........................28
3.01 Purpose...................................................28
3.01A Application................................................28
3.02 Definitions................................................28
Division 2 Requirements for an NVIS flight..............................30
3.03 General requirements for NVIS flights...........................30
3.04 HLS-NVIS standard.........................................31
3.05 HLS-NVIS basic............................................31
3.06 No formation flights for NVIS flight............................31
3.07 Alternate lighting requirements................................32
Division 3 Additional requirements for NVIS operations...................32
3.08 Aircraft lighting............................................32
3.09 Minimum height under the NVFR or the IFR for NVIS operations.....32
3.10 Weather requirements — cloud................................33
CHAPTER 4 ALL FLIGHTS — AIRSPEED LIMITS.......................35
4.01 Purpose...................................................35
4.02 Flight to be within indicated airspeed limits.......................35
CHAPTER 5 JOURNEY LOGS — FLIGHTS THAT BEGIN OR END
OUTSIDE AUSTRALIAN TERRITORY......................36
5.01 Purpose...................................................36
5.02 Journey log information before an international flight begins.........36
5.03 Journey log information after an international flight ends............36
CHAPTER 6 FLYING IN FORMATION..................................37
6.01 Purpose...................................................37
6.02 RESERVED...............................................37
CHAPTER 7 FLIGHT PREPARATION (WEATHER ASSESSMENTS) REQUIREMENTS              38
7.01 Purpose...................................................38
7.02 Forecasts for flight planning...................................38
7.03 Flights unable to obtain an authorised weather forecast before
departure..................................................39
CHAPTER 8 FLIGHT PREPARATION (ALTERNATE AERODROMES) REQUIREMENTS              40
Division 8.1 Purpose and definitions.....................................40
8.01 Purpose...................................................40
8.02 Definition of relevant weather conditions........................40
8.03 Definition of relevant IAP....................................40
Division 8.2 Destination alternate aerodromes.............................41
8.04 Destination alternate aerodromes — weather......................41
8.05 Destination alternate aerodromes — navigation....................42
8.06 Destination alternate aerodromes — aerodrome lighting.............42
8.07 Destination alternate aerodromes — restrictions...................43
8.08 Alternate minima