Useful links and contacts for obstacles

Refer to our webpage giving an overview of the requirements and notification processes for obstacles in UK airspace.

Disclaimer: the Civil Aviation Authority (CAA) is not responsible for the availability or content of external websites

Useful links

Aeronautical information

UK Aeronautical Information Service

Visual Flight Rules Charts

Electronic Obstacle Data File in the UK AIP - select the ENR 5.4 ICAO Area 1 Obstacle Dataset link

Aviation legislation

The Air Navigation Order 2016

Section 47 of the Civil Aviation Act 1982 (warning of presence of obstructions near licensed aerodromes)

The Air Navigation (Restriction of Flying) (Nuclear Installations) Regulations 2016

Cranes

CAP 1096 - Guidance to crane users on the crane notification process and obstacle lighting and marking

Crane notification webpage

Licensing / safeguarding / safe operating practices

CAP 168 - Licensing of Aerodromes

CAP 738 - Safeguarding of Aerodromes

CAP 793 - Safe Operating Practices at Unlicensed Aerodromes

Safeguarding of Instrument Flight Procedures

Airport Operators Association (AOA) Advice Notes on Aerodrome Safeguarding

CAP1732: Aerodrome Survey Guidance - provides guidance on aerodrome surveys, which helps to control and monitor the aerodrome obstacle environment

Planning consultations

DfT / ODPM Circular 1/2003 (includes a list of the officially safeguarded civil aerodromes in England and Wales)

Scottish Government Planning Circular 2/2003 (includes a list of the officially safeguarded civil aerodromes in Scotland)

Control of development in airport Public Safety Zones

Section 110 of the Localism Act 2011

Wind turbines

CAP 764 - Policy and Guidelines on Wind Turbines

Miscellaneous

Defence Infrastructure Organisation

General Aviation Awareness Council

International Civil Aviation Organisation

Points of contact