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Course Information

Estimated Time: 30 Days

Difficulty: Intermediate

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Getting Started

The CASA IREX Exam Information
IREX Instrument Rating Exam Introduction

Part 1: Radio Navigation Aids

Part 1 Radio Navigation Aids Overview
Radio Wave Propagation
Radio Wave Propagation frequency and wavelength
Low Frequency Radio
Very High Frequency Radio

NDB (Non Directional Beacon) 

1.2 NDB (Non Directional Beacon)
NDB Definitions
NDB Facts
ADF Antenna
ADF Receiver
ADF Cockpit Displays
Jeppefen’s NDB Frequency and Range 
ERSA NDB Frequency and Range
NDB Errors and Limitations
Errors Mountain Effect
Errors Co-Channel Interference
Errors Coastal Reflection
Errors Quadrantal
Errors Terrain Effect
Errors Thunderstorm Effect
Errors Night Effect
NDB Questions
Integrity of NDB 
NDB General Principle
NDB Orientation
NDB Definitions
NDB Orientation Examples
NDB The HAT Formula
Simple HAT Formula Questions
The HAT Trick Advanced
The HAT Trick Advanced Questions

En-route Navigation

En-route Navigation Intro
Navigation Definitions
Drift Tips
Drift Without TMG
Drift and Track Error Questions
NDB Intercepts The 4 Questions
NDB Intercepts HAT Trick
NDB Intercepts HAT Trick Example 2
Track Error A Example From CASA

VOR (The VHF Omni Range)

VOR Intro
VOR Principles
VOR Radials
VOR Features
VOR Where To Find The Information
VOR Identifications
Add Course and Lesson Sidebars
VOR Errors and Limitations
Airborne Equipment Error 
Vertical Polarisation Effect
Ground Station Error
Terrain Effect
Site Effect
Aggregate Error

Radio Navigation and the 1 in 60

Position Fixing NDBs and VOR with the DME
Angle and Distance Off-Track
Distance Off-Track HAT Trick

NDB/VOR En-Route Questions

NDB VOR Enroute Questions

Part 2: Weather

Part 2 Weather Overview
Clouds
Cloud Terms
Nimbus
Cirrus
Cumulus
Stratus
Cloud Heights
Stable Air
Environmental Lapse Rate

Thunderstorms

Thunderstorms
Thunderstorms Overview
Updraughts and Downdraughts
Downdraught
Windshear
Dangers
What if you can’t avoid a thunderstorm
Microburst
Hail Storms

Jetstream (Not currently examined in IREX)

Jetstream
Jetstream Overview
Jetstream Turbulance
Jetstream Clear Air Turbulance

Air Masses and Fronts

Air Masses and Fronts
Cold Front
What to expect from a cold front
Volmet

Icing

Icing
Icing Requirements
Icing Risks
Types of Ice
Clear Ice
Rime Ice
Frost
Icing Conditions
ELR Environmental Lapse Rate

Fog

Fog
Fog and the effect of wind
Radiation Fog
Advection Fog
Fog Visibility
Runway Visual Range
Runway Visual Range Example

Meteorological Questions

Meteorological Questions

Part 3: Requirements For IFR Flight

Requirements For IFR Flight Overview
The IFR Aircraft VH-OZY
The Instrument Flight Rules
IFR Requirements Overview

Flight Instruments

Flight Instruments 1
Flight Instruments 2
Flight Instruments 3
Flight Instruments 4
Flight Instruments 5
Flight Instruments 6 AWK NGT VMC FREIGHT CHTR
Flight Instruments 7
Flight Instruments 8
Flight Instruments 9
Flight Instruments 10 IFR CHTR
Lighting 1
Lighting 2
Lighting 3

Radio Communication & Navigation Requirements

Radio Communication & Navigation Requirements
Navigation Instruments
Instrument Serviceability
Instrument Serviceability Altimeter
Instrument Serviceability Altimeter 2
Instrument Serviceability Altimeter 3
Radar Equipment
Radar Equipment 2

IFR Requirement Questions

IFR Requirement Questions

RNAV (GNSS) – Global Navigation Satellite System

RNAV (GNSS) – Global Navigation Satellite System
GNSS How does it work
GNSS How does it work 2
GNSS Who makes it 1
GNSS Who makes it 2
GNSS Errors and limitations 1
GNSS Errors and limitations 2
GNSS Augmentation System
GNSS ABAS
GNSS RAIM 1
GNSS RAIM 2
GNSS SBAS
GNSS GBAS

GNSS Questions

This section does not have any lessons.

Performance Based Navigation (PBN)

Performance Based Navigation (PBN)
What is PBN?
RNAV and RNP
PBN Specifications
RNP Requirements Applicable To IFR Flight
PBN Leg Transitions
PBN Navigation Errors

Requirements For IFR Flight

IFR Pilot
Duration Of The Rating
Renewal Of The Rating
Privileges And Requirements For Grant Of Instrument Ratings
Limitations On Exercise Of Privileges Of Instrument Ratings — General
IFR Pilot Endorsement
The Use Of GPS
Recency Requirements
Single Pilot Recency Requirements
Approach Recent Requirements
Approach Recent Requirements For RNAV
Instrument Rating In Further Detail

Questions On Recency Requirements

Questions On Recency Requirements

Part 4: IFR Flight Planning

IFR Flight Planning Overview
Preflight Considerations – Flight Notifications
Preflight Considerations – Forecast Requirements
Position Fixes
Limitations On Fixes

Lowest Safe Altitudes

Designated Routes
Grid LSALT
Manual LSALT (Splays)
LSALT: RNAV/GNSS (GPS) with NO RNP2 Authorisation
AIP References For LSALT
LSALT: Obstacles
Decent below LSALT
Visual Approach

Provision Of Alternate Aerodromes

Provision of Alternate Aerodromes
A is for Aids
Aids – Night VFR
Clouds, Visibility and Wind
Visibility and Cloud Elaborated
Prov and Prob
Alternate: Thunderstorms
L is for Lighting
A Simple Lighting Guide
A Lighting Alternate Problem
S is for Storms
Alternates Could Very Well Prove Life Savers

Holding Due To Weather

Holding Due To Weather
Holding Due To Weather AIP References

TAF3

TAF3 AIP References
TAF3
TAF3 Locations
TAF3 Validity
Special Perks For Arriving Within A TAF3 Period
TAF3 Important To Remember

Airspace Classifications

Airspace Classifications

Fuel Planning

Fuel Planning

VFR-ON-TOP

VFR-ON-TOP

VFR-Climb-and-Decent

VFR-Climb-and-Decent

Part 5: Departures

Part 5 Departures Overview
Departure From A Non-Towered Aerodrome
Departure From A Non-Towered Aerodrome – Taxi Call
Departure From A Non-Towered Aerodrome – Establish FPT
Departure Reporting
Departure CTA

SID (Standard Instrument Departure)

SID (Standard Instrument Departure)
SID Gradient Rate
SID DAPS (East or West)
SID Chart – Jepps

Visual Departure

Visual Departure

Departing Into IMC

Departing Into IMC
Departing Into IMC – Take-Off Minima
Departing Into IMC – Take-Off Minima – Example 1
Departing Into IMC – Take-Off Minima – Example 2

Planning To Return In IMC

Planning to return in IMC due to engine failure when departing an aerodrome without an instrument approach procedure
Example 1

En-Route Procedures

Step-Climbs in CTA
Position Reports
Position Reports Example
Changes Of Level
Track Keeping Tolerances

Part 6: Instrument Approaches

Part 6: Instrument Approaches Overview
What is an instrument approach?
The Circling Area
Aircraft Category Speed Limits
First Look At An Approach
Safe Steps Down – NDB or VOR (Including Reversal)
2D and 3D Approaches
Precision Approach & Non Precision Approach
MDA and DA
The Difference Between an ILS (3D) Approach or LOC (2D) Approach
LNAV (2D) VS VNAV (3D)
Reversal Procedure Compared To A Normal Procedure
Speed Restrictions Based On Approach Points
Decision Altitude Correction VS Temperature
Circling Approach Broken Down
Special Rules; Circling Approach – Day VS Night
DME OR GNSS ARRIVAL
Holding Patterns
Standard Holding Pattern (Right Turns)
Sector Entries
Sector 1 (Parallel Entry)
Sector 2 (Teardrop / Offset Entry)
Sector 3 (Direct Entry)
Avoiding A Sector Entry
Avoiding A Sector Entry Example
Procedure Turn
DME ARC Procedure
DME or GNSS Arrival Procedures
RNAV (GNSS) Approach
Navigation Modes
GNSS Approach Layout
Missed Approach Procedures
Instrument Landing System (ILS) and Localizer (LOC)
ILS Components
Localizer
Glide Slope
Locator Beacon
Marker Beacon
ILS Chart
PAPI and HIRL
Special DA Rules For An ILS/LOC = Changes In Visibility!
HIAL Requirements
Pressure Error Correction [PEC]
The Localizer [LOC] and LNAV GNSS Approach
ILS PRM – ILS Precision Runway Monitoring System

Congratulations!!!

Congratulations!!!

IREX Final Practice Exams

IREX Final Practice Exam 1
IREX Final Practice Exam 2
IREX Final Practice Exam 3
IREX Final Practice Exam 4