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Enroute Information

Instrument and visual flight rules, airspace classifications, Air Traffic Services (ATS), ATS routes, navigation systems and en-route charts.

ENR 0

ENR 0.5	List of Hand Amendments to Part 2 (ENR Section)
ENR 0.6	Table of Contents to Part 2 (ENR)

ENR 1 - General Rules and Procedures

ENR 1.1	General Rules
	ATS Routes and Upper Control Areas
	Class G Airspace (Airspace Other than Controlled Airspace and Advisory Routes
	General Flight Procedures Position Reporting within the London and Scottish FIR/UIR Climb and Descent Speed Control Radiotelephony, Radio Failure and Loss of Communication Procedures Airborne Collision Avoidance System (ACAS) Diversion Low Level Cross-Channel Operations - UK/France
	Arrangements for Particular Types of Flight Non-Standard Flights (NSFs) in Controlled Airspace Non-Deviating Status (NDS) Unusual Aerial Activities (UAA) Outside Controlled Airspace Royal Flights Observation Flights Conducted Under the Treaty of Open Skies Special Flights Civilian Formation Flights - ATC Procedures
	Airspace Restrictions, Danger Areas and Hazards to Flight Airspace Restrictions Hazards to Flight Activities of a Dangerous Nature Air Navigation Obstacles Aerial Sporting and Recreational Activities Other Temporary Hazards Keevil Aerodrome
ENR 1.2	Visual Flight Rules (Inclusive of Special VFR Flight) VFR Flight Special VFR Flight
ENR 1.3	Instrument Flight Rules
ENR 1.4	ATS Airspace Classification (inclusive of notification)
ENR 1.5	Holding, Approach and Departure Procedures
ENR 1.6	ATS Surveillance Services and Procedures ATS Surveillance Services Use of Radar in the Air Traffic Services SSR Operating Procedures (inclusive of UK SSR Code Assignment Plan) Lower Airspace Radar Service Radar Service - FL 100 and Above (Outside CAS) (Former) Penine Radar Area of Responsibility Western Radar Area of Operation Off-Shore Operations
ENR 1.7	Altimeter Setting Procedures
ENR 1.8	Regional Supplementary Procedures (Doc 7030)
ENR 1.9	Air Traffic Flow Management (ATFM)
ENR 1.10	Flight Planning General Procedures When to File a Flight Plan UK Parent ATSU System VFR Flight Plans IFR Flight Plans Repetitive Flight Plans Flight Plan Filing Process via AFPEx Low Level Civil Aircraft Notification Procedures (CANP)
ENR 1.11	Addressing of Flight Plan Messages
ENR 1.12	Interception of Civil Aircraft
ENR 1.13	Unlawful Interference
ENR 1.14	Air Traffic Incidents (AIRPROX)

ENR 2 - Air Traffic Services and Airspace

ENR 2.1	FIR, UIR, CTA, TMA (including Military Control Zones/Areas)
ENR 2.2	Other Regulated Airspace Airspace Within Which ATS is Delegated Aerodrome Traffic Zones (other than Civil Licensed Aerodromes) Military Aerodrome Traffic Zones Shanwick Oceanic Control Area (North Atlantic Region - NAT)

ENR 3 - ATS Routes

ENR 3.1	Lower ATS Routes (inclusive of Conditional Routes)Lower ATS Routes - ATS Advisory Routes)
ENR 3.2	Upper ATS Routes (inclusive of Conditional Routes)
ENR 3.3	Area Navigation (RNAV) Routes (Refer to ENR 3.1 and ENR 3.2) - to be developed
ENR 3.4	Helicopter Routes - to be developed
ENR 3.5	Other Routes - to be developed
ENR 3.6	En-Route Holding

ENR 4 - Radio Navigation Aids/Systems

ENR 4.1	Radio Navigation Aids - En-Route
ENR 4.2	Special Navigation Systems - to be developed
ENR 4.3	GNSS Global Navigational Satellite System - - to be developed
ENR 4.4	Name-code Designators for Significant Points
ENR 4.5	Aeronautical Ground Lights - En-Route - to be developed

ENR 5 - Navigation Warnings

ENR 5.1	Prohibited, Restricted and Danger Areas Prohibited Areas Restricted Areas Danger Areas
ENR 5.2	Military Exercise and Training Areas East Anglian Military Training Area (EAMTA) and North Wales Military Training Area (NWMTA) Temporary Reserved Areas (TRA) Temporary Reserved Areas (Gliding) TRA(G) Areas of Intense Air Activity (AIAA) Aerial Tactics Areas Advisory Radio Areas Air-to-Air Refuelling Areas (AARA)
ENR 5.3	Other Activities of a Dangerous Nature Small Arms Ranges Other Potential Hazards High Intensity Radio Transmission Areas (HIRTA) E-3 Orbit Areas Off-Shore Safety Areas (OSAs) & Gas Venting Sites Permanently Sighted Lasers Radio Sonde Balloon Launch Sites
ENR 5.4	Air Navigation Obstacles - En-Route Land Based Off-Shore
ENR 5.5	Aerial Sporting and Recreational Activities Glider Launching Sites (by winch/ground Tow (W) and tug aircraft/motor glider (T)) Hang Gliding and Parascending Winch/Auto-Tow Launch Sites Free-Fall Drop Zones Microlight Sites
ENR 5.6	Bird Migration and Areas with Sensitive Fauna (inclusive of Release of Racing Pigeons)

ENR 6 - En Route Charts

ENR 6.1	Division Map for Non Standard Flights in Controlled Airspace
	Area of Responsibility of the ATSSD Regional Offices
	Chart of United Kingdom ATS Airspace Classifications - SFC-FL195
	Chart of United Kingdom ATS Airspace Classifications - FL195-FL245
	Theoretical NATS Primary and Secondary Radar Coverage at 10,000 ft within UK FIR Boundaries
	Theoretical NATS Primary and Secondary Radar Coverage at 25,000 ft within UK FIR Boundaries
	LOWER AIRSPACE RADAR SERVICE (LARS)
	RADAR SERVICE - FL100 AND ABOVE (OUTSIDE CAS)
	Temporary Reserved Areas (TRA)
	(Former) Pennine Radar Area of Responsibility FL55 - FL195)
	United Kingdom Altimeter Setting and Flight Information Regions
	IFPS Zone
	PINS Areas and UK Day Low Flying System (DLFS)
	UK Night Low Flying System (NLFS)
	Northern North Sea - Radar Service and Information Areas, and Observed QNH Used
	East Shetland Basin Boundary
	Southern North Sea Low Level Radar Advisory, Flight Information Service Area & Anglia Offshore Safety Area (OSA)
	Helicopter Main Routes & Northern North Sea Off-Shore Safety Area (OSA)
	Aberdeen - Atlantic Rim HMR X-Ray/Yankee
	Morecombe Bay/Liverpool Bay Gas Field Helicopter Support Flights
	RTF Frequency Allocations for Mobile Installations in the UK Area Under Concession
	RTF Frequency Allocations for Mobile Installations in the UK Area Under Concession
	NDB Frequency Allocations for Mobile Installations in the UK Area Under Concession

ENR 6.2.0	London ACC - FIS Sectors
	Scottish ACC - FIS Sectors

ENR 6.2.1	Shanwick Flight Information Region (FIR)/Oceanic Control Area (OCA)
	Belfast Terminal Control Area (TMA), Belfast Control Zone (CTR) and Belfast/City Control Zone (CTR)/Control Area (CTA)
	Manchester TMA
	Scottish TMA
	Solent CTA, Bournemouth CTR and Southampton CTR
	Brize Norton CTR
	Channel Islands Control Zone - ATS Significant Points & VRPs
	Bristol/Cardiff Control Zones and Control Areas
	London TMA

ENR 6.2.2	Delegation of ATS Responsibilities - Within North Atlantic and North Sea Lower Airspace
	Delegation of ATS Responsibilities - Within North Sea Upper Airspace
	Delegation of ATS Responsibilities - Within Southern North Sea
	Delegation of ATS Responsibilities - Within Areas of Amsterdam FIR
	Delegation of ATS Responsibilities - Within the Southwestern Corner of the London UIR
	Delegation of ATS Responsibilities - Within the Shannon UIR
	Delegation of ATS Responsibilities - Within Irish Sea
	Delegation of ATS Responsibilities - Within BANBA CTA
	Delegation of ATS Responsibilities - Within the Shannon FIR - Eglinton CTA Areas
	Delegation of ATS Responsibilities - Within the NorthWestern Corner of the Scottish FIR/UIR and along the common Scottish and Reykjavik FIR/UIR Boundary
	Delegation of ATS Responsibilities - La Manche East/West (Low)
	Delegation of ATS Responsibilities - La Manche East (High)
	Delegation of ATS Responsibilities - South Eastern Section of the English Channel
	Military Aerodrome Traffic Zones
	NOTA, SOTA and SHANNON UPPER AIRSPACE
	Brest Oceanic Transition Area (BOTA)
	North Atlantic Minimum Navigation Performance Specification Airspace (NAT MNPSA) Between FL285 and FL420

ENR 6.3.0	Temporary Reserved Areas (Gliding) in Class C Airspace between FL195 and FL240 in the London ACC Area
	Temporary Reserved Areas (Gliding) in Class C Airspace between FL195 and FL240 in the Scottish ACC Area
	Temporary Reserved Areas (Gliding) in Class C Airspace above FL240 in the London ACC Area
	Temporary Reserved Areas (Gliding) in Class C Airspace above FL240 in the Scottish ACC Area
	Lower ATS Routes (South Sheet)
	Lower ATS Routes (North Sheet)
	Air Traffic Advisory Service in the United Kingdom FIR
	Upper Airspace Control Area and Upper ATS Routes (South Sheet)
	Upper Airspace Control Area and Upper ATS Routes (North Sheet)
	Upper Airspace Military TACAN Route System

ENR 6.4.0	VHF GP Air-Ground Communication Cover Existing in the NAT Region at FL100
	VHF GP Air-Ground Communication Cover Existing in the NAT Region at FL150

ENR 6.5.1	Chart of United Kingdom Airspace Restrictions and Hazardous Areas
	Chart of United Kingdom Areas of Intense Air Activity (AIAA), Aerial Tactics Areas (ATA) and Military Low Flying System
ENR 6.5.4	Air Navigation Obstacles Area Codes Used in the Lists
ENR 6.5.6	Bird Concentration Areas March - July
	Bird Concentration Areas October - March