Enroute Information

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

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ENR 1 - General Rules and Procedures

ENR 1.1 General Rules
ATS Routes and Upper Control Areas (UTA)
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
Use of 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 on 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
ENR 1.5 Holding, Approach and Departure Procedures
ENR 1.6 ATS Surveillance Services and Procedures
ATS Surveillance Services
SSR Operating Procedures
Automatic Dependent Surveillance - Broadcast (ADS-B)
Other Relevant Information and Procedures
Lower Airspace Radar Service (LARS)
Radar Service - FL 100 and Above (Outside CAS)
(Former) Pennine 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 Airspace

ENR 3 - ATS Routes

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 Navigation Satellite System - to be developed
ENR 4.4 Name-code Designators for Significant Points
ENR 4.5 Aeronautical Ground Lights - En-Route

ENR 6 - En Route Charts

ENR 6.1.1.1 DIVISION MAP FOR NON STANDARD FLIGHTS IN CONTROLLED AIRSPACE
ENR 6.1.1.2 AREA OF RESPONSIBILITY OF THE ATSD REGIONAL OFFICES
ENR 6.1.4.1 CHART OF UNITED KINGDOM ATS AIRSPACE CLASSIFICATIONS - SFC - FL 195
ENR 6.1.4.2 CHART OF UNITED KINGDOM ATS AIRSPACE CLASSIFICATIONS - FL 195 - FL 245
ENR 6.1.6.1 THEORETICAL NATS PRIMARY & SECONDARY RADAR COVERAGE AT 10000 FT WITHIN UK/FIR BOUNDARIES
ENR 6.1.6.2 THEORETICAL NATS PRIMARY & SECONDARY RADAR COVERAGE AT 25000 FT WITHIN UK/FIR BOUNDARIES
ENR 6.1.6.3 LOWER AIRSPACE RADAR SERVICE (LARS)
ENR 6.1.6.4 RADAR SERVICE - FL100 AND ABOVE (OUTSIDE CAS)
ENR 6.1.6.5 TEMPORARY RESERVED AREAS (TRA)
ENR 6.1.6.6 (FORMER) PENNINE RADAR AREA OF RESPONSIBILITY FL 55 - FL 195
ENR 6.1.6.7 WESTERN RADAR AREA OF OPERATION
ENR 6.1.7.1 UNITED KINGDOM ALTIMETER SETTING AND FLIGHT INFORMATION REGIONS
ENR 6.1.8.1 LONDON ARRAY TRANSPONDER MANDATORY ZONE
ENR 6.1.10.1 IFPS ZONE
ENR 6.1.10.3 PINS AREAS AND UK DAY LOW FLYING SYSTEM (DLFS)
ENR 6.1.10.4 UK NIGHT LOW FLYING SYSTEM (NLFS)
ENR 6.1.10.5 MET RESEARCH/DROP SONDE FLIGHTS
ENR 6.1.15.1 NORTHERN NORTH SEA - ABERDEEN ATSU OFFSHORE AREAS OF RESPONSIBILITY AND QNH USED
ENR 6.1.15.2 EAST SHETLAND BASIN BOUNDARY
ENR 6.1.15.3 SOUTHERN NORTH SEA - ABERDEEN ATSU (ANGLIA RADAR) AREA OF RESPONSIBILITY AND ANGLIA OFFSHORE SAFETY AREA (OSA)
ENR 6.1.15.5 HELICOPTER MAIN ROUTES AND NORTHERN NORTH SEA OFFSHORE SAFETY AREA (OSA)
ENR 6.1.15.6 ABERDEEN - ATLANTIC RIM HMR X-RAY/YANKEE
ENR 6.1.15.7 MORECAMBE BAY/LIVERPOOL BAY GAS FIELD HELICOPTER SUPPORT FLIGHTS
ENR 6.1.15.8 RTF FREQUENCY ALLOCATIONS FOR MOBILE INSTALLATIONS IN THE UK AREAS UNDER CONCESSION
ENR 6.1.15.9 RTF FREQUENCY ALLOCATIONS FOR MOBILE INSTALLATIONS IN THE UK AREAS UNDER CONCESSION
ENR 6.1.15.10 NDB FREQUENCY ALLOCATIONS FOR MOBLIE INSTALLATIONS IN THE UK AREAS UNDER CONCESSION
ENR 6.2...
ENR 6.2.0.1 LONDON AREA CONTROL (SWANWICK) - FIS SECTORS
ENR 6.2.0.2 SCOTTISH AREA CONTROL (PRESTWICK) - FIS SECTORS
ENR 6.2.1...
ENR 6.2.1.1 SHANWICK FIR/OCA
ENR 6.2.1.3 BELFAST TMA, BELFAST CTR & BELFAST/CITY CTR/CTA
ENR 6.2.1.4 MANCHESTER TMA
ENR 6.2.1.5 SCOTTISH TMA
ENR 6.2.1.6 SOLENT CTA, BOURNEMOUTH CTR & SOUTHAMPTON CTR
ENR 6.2.1.7 BRIZE NORTON CONTROL ZONE
ENR 6.2.1.9 CHANNEL ISLANDS CONTROL ZONE - ATS SIGNIFICANT POINTS AND VRPs
ENR 6.2.1.10 BRISTOL/CARDIFF/COTSWOLD/SEVERN CONTROL ZONES AND CONTROL AREAS
ENR 6.2.1.11 LONDON TMA
ENR 6.2.2...
ENR 6.2.2.1.1 DELEGATION OF ATS RESPONSIBILITIES - WITHIN NORTH ATLANTIC AND NORTH SEA LOWER AIRSPACE
ENR 6.2.2.1.2 DELEGATION OF ATS RESPONSIBILITIES - WITHIN NORTH SEA UPPER AIRSPACE
ENR 6.2.2.1.3 DELEGATION OF ATS RESPONSIBILITIES - WITHIN SOUTHERN NORTH SEA
ENR 6.2.2.1.4 DELEGATION OF ATS RESPONSIBILITIES - WITHIN AREAS OF AMSTERDAM FIR
ENR 6.2.2.1.5 DELEGATION OF ATS RESPONSIBILITIES - WITHIN THE SOUTHWESTERN CORNER OF THE LONDON UIR
ENR 6.2.2.1.6 DELEGATION OF ATS RESPONSIBILITIES - WITHIN THE SHANNON UIR
ENR 6.2.2.1.7 DELEGATION OF ATS RESPONSIBILITIES - WITHIN THE IRISH SEA
ENR 6.2.2.1.8 DELEGATION OF ATS RESPONSIBILITIES - WITHIN BANBA CTA
ENR 6.2.2.1.9 DELEGATION OF ATS RESPONSIBILITIES - WITHIN THE SHANNON FIR - EGLINTON CTA AREAS
ENR 6.2.2.1.10 DELEGATION OF ATS RESPONSIBILITIES - WITHIN THE NORTHWESTERN CORNER OF THE SCOTTISH FIR/UIR AND ALONG THE COMMON SCOTTISH AND REYKJAVIK FIR/UIR BOUNDARY
ENR 6.2.2.1.11 DELGATION OF ATS RESPONSIBILITIES - LA MANCHE EAST (LOW)
ENR 6.2.2.1.12 DELEGATION OF ATS RESPONSIBILITIES - LA MANCHE EAST (HIGH)
ENR 6.2.2.1.13 DELEGATION OF ATS RESPONSIBILITIES - SOUTH EASTERN SECTION OF THE ENGLISH CHANNEL
ENR 6.2.2.1.14 DELEGATION OF ATS RESPONSIBILITIES - THE CHANNEL ISLANDS
ENR 6.2.2.1.15 DELEGATION OF ATS RESPONSIBILITIES - WITHIN THE SOUTH WEST CORNER OF THE SCOTTISH UIR - MOLAK AREA
ENR 6.2.2.3.1 MILITARY AERODROME TRAFFIC ZONES
ENR 6.2.2.4.1 NOTA, SOTA AND SHANNON UPPER AIRSPACE
ENR 6.2.2.4.2 BREST OCEANIC TRANSITION AREA (BOTA)
ENR 6.2.2.4.3 NORTH ATLANTIC HIGH LEVEL AIRSPACE (NAT HLA) BETWEEN FL285 AND FL420
ENR 6.3...
ENR 6.3.0.1 NON-SECONDARY SURVEILLANCE RADAR GLIDER AREAS
ENR 6.3.0.3 TEMPORARY RESERVED AREAS (GLIDING) IN CLASS C AIRSPACE BETWEEN FL 195 AND FL 240 IN LONDON AREA CONTROL SWANWICK
ENR 6.3.0.4 TEMPORARY RESERVED AREAS (GLIDING) IN CLASS C AIRSPACE BETWEEN FL 195 AND FL 240 IN THE SCOTTISH ACC AREA
ENR 6.3.0.5 TEMPORARY RESERVED AREAS (GLIDING) IN CLASS C AIRSPACE ABOVE FL 240 IN LONDON AREA CONTROL SWANWICK
ENR 6.3.0.6 TEMPORARY RESERVED AREAS (GLIDING) IN CLASS C AIRSPACE ABOVE FL 240 IN THE SCOTTISH ACC AREA
ENR 6.3.1.1 LOWER ATS ROUTES (South Sheet)
ENR 6.3.1.2 LOWER ATS ROUTES (North Sheet)
ENR 6.3.1.3 AIR TRAFFIC ADVISORY ROUTES IN THE UNITED KINGDOM FIR
ENR 6.3.2...
ENR 6.3.2.1 UPPER AIRSPACE CONTROL AREA AND UPPER ATS ROUTES (South Sheet)
ENR 6.3.2.2 UPPER AIRSPACE CONTROL AREA AND UPPER ATS ROUTES (North Sheet)
ENR 6.3.5.1 UPPER AIRSPACE MILITARY TACAN ROUTE SYSTEM
ENR 6.4...
ENR 6.4.0.1 VHF GP AIR-GROUND COMMUNICATION COVER EXISTING IN THE NAT REGION AT FL 100
ENR 6.4.0.2 VHF GP AIR-GROUND COMMUNICATION COVER EXISTING IN THE NAT REGION AT FL 150
ENR 6.5...
ENR 6.5.1.1 CHART OF UNITED KINGDOM AIRSPACE RESTRICTIONS AND HAZARDOUS AREAS
ENR 6.5.1.2 CHART OF UNITED KINGDOM AREAS OF INTENSE AIR ACTIVITY (AIAA), AERIAL TACTICS AREAS (ATA) AND MILITARY LOW FLYING SYSTEM
ENR 6.5.1.3 THE HEBRIDES RANGE EG D701 AND DIRECT ROUTE AIRSPACE (DRA)
ENR 6.5.6.1 BIRD CONCENTRATION AREAS MARCH - JULY
ENR 6.5.6.2 BIRD CONCENTRATION AREAS OCTOBER - MARCH