Instrument Flight Rules (IFR)
Instrument Flight Rules (IFR)
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24.Jun.2022
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SKYbrary Aviation Safety. (June 24, 2022). Instrument Flight Rules (IFR).
Retrieved June 4, 2026
from https://skybrary.aero/articles/instrument-flight-rules-ifr
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Instrument Flight Rules (IFR)
Description
Instrument Flight Rules (IFR) are rules which allow properly equipped aircraft to be flown under instrument meteorological conditions (IMC).
IFR are detailed in ICAO Annex 2: Rules of the Air, Chapter 5: Instrument Flight Rules.
JAR-OPS 1.652 and associated guidance material specifies the flight and navigational instruments and associated equipment required for IFR or night operations. This may be supplemented by requirements contained in national Aeronautical Information Publications (AIPs). Minimum equipment lists (MELs) detail the conditions under which IFR flight may be commenced or continued when elements of aircraft equipment are unserviceable.
JAR-OPS 1.960 details qualification requirements for pilots to carry out IFR flights.
Categories
What Links Here (87)
- Loss of Separation - ATCO-induced Situations
- Loss of Separation - Pilot-induced Situations
- Wake Vortex Turbulence
- Airspace Infringement
- Controlled Airspace
- Control Zone (CTR)
- Advisory Service
- Air Traffic Control Service
- ATC Clearance
- Base Effect
- Flight Plan
- Fuel - Diversion to Weather Alternate
- Fuel - Regulations
- Holding Pattern
- Instrument Meteorological Conditions (IMC)
- Minimum Vectoring Altitude (MVA)
- North Atlantic Operations - Airspace
- Pre-flight Preparation
- Radar Advisory Service
- Radio Mandatory Zone (RMZ)
- Side-step Manoeuvre
- Q9, vicinity Nogales USA, 2006
- JS31, Fort St. John BC Canada, 2007
- SW4, vicinity Lockhart River Queensland Australia, 2005
- B733, vicinity Pittsburg PA USA, 1994
- AT72 / B732, vicinity Queenstown New Zealand, 1999
- DH8A, en-route SSE of Madang, Papua New Guinea, 2011
- A320 / A139 vicinity Zurich Switzerland, 2012
- C525 / P180, south west of Sion Switzerland, 2012
- DH8B / BN2P, Horn Island QLD Australia, 2016
- DH8D / DH8D, vicinity Sudbury ON Canada, 2016
- SF34, Marsh Harbour Bahamas, 2013
- A310 / C421, en-route, northeast of Montréal Canada, 2018
- DH8D/DH8D, vicinity Toronto City Airport Canada, 2010
- B738/B738, vicinity Queenstown New Zealand, 2010
- SU95, manoeuvring near Jakarta Indonesia, 2012
- PRM1, vicinity Samedan Switzerland, 2010
- European Airspace Infringement Action Plan
- Terrain Awareness
- Use of Radio Altimeter
- ATC Clearance Delivery
- Level Bust Prevention - Aircraft Technical Equipment
- Own Separation
- See and Avoid
- Separation Standards
- Uncontrolled Aerodromes - Communications
- Mitigation of Wake Turbulence Hazard
- Classification of Airspace
- Flight in Mountainous Terrain
- Flying a Visual Approach
- Deviation from ATC Clearance - Parachute Dropping
- Cross-Checking Process
- Altimeter Temperature Error Correction
- ATC Clearance Error
- Automatic Dependent Surveillance - Broadcast (ADS-B)
- Minimum Equipment List (MEL)
- Helicopter Terrain Awareness and Warning System (HTAWS)
- Minimum Safe Altitude Warning (MSAW)
- Mountainous Terrain Escape Routes
- Loss of Separation During Weather Avoidance
- Uncontrolled Aerodromes - Procedures
- Aircraft and In Flight Icing Risks
- Altimeter
- ATC Safety Nets for Remotely Piloted Aircraft
- Helicopter Performance Based Navigation
- ICAO Emergency Phases
- Incorrect use of TCAS Traffic Display
- Key Risk Areas of Remotely Piloted Aircraft Systems (RPAS)
- Short Term Conflict Alert (STCA) optimization for TMAs
- TCAS II and VFR Traffic
- TCAS Occurrence (OGHFA SE)
- Transponder Requirements for Access to EU Airspace
- Volcanic Ash
- VFR on Top
- Regulation 391/2013 Common Charging Scheme for Air Navigation Services
- Regulation 255/2010 Common Rules on Air Traffic Flow Management
- Regulation 1079/2012 Requirements for Voice Channels Spacing for the SES
- Regulation 1206/2011 Requirements on Aircraft Identification for Surveillance of the SES
- Regulation 73/2010 Quality of Aeronautical Data and Aeronautical Information
- Regulation 29/2009 Data link services for the SES
- Regulation 923/2012 Common Rules of the Air and Operational Provisions Regarding Services and Procedures in Air Navigation
- VFR over-the-top
- Traffic Information
- C525, vicinity Bournemouth UK, 2019
- Wildfires: Guidance for Flight Crews
- Discrete and Non-discrete SSR Codes
- PA46, Courchevel France, 2019
