O H T 1 18th April 2002 Safety Marking of Offshore Wind Turbines UK Offshore Wind 2002 David Cutler Sally Edwards Civil Aviation Authority Orga Suisse S.à.r.l. Contact Orga at : Tel : +44(0) Fax : +44(0) Contact Civil Aviation Authority at: Tel : +44(0) Fax : +44(0)

O H T 2 18th April 2002 Overview WHY talk about lights? WHAT are the rules for Aviation & Marine Safety Marking? WHEN should you think about obstruction lighting?

O H T 3 18th April 2002 Standards International Civil Aviation Organisation –Annex 14, Chapter 6 – Local Civil Aviation Authority –Article review –Test site –Regulation by first quarter 2003 –Application process

O H T 4 18th April 2002 Equipment Aircraft Warning Light. – Red, steady burning light. – Medium intensity (2,000 candela) – 360 o coverage – Minimum / maximum beam angle. Monitoring Independent testing

O H T 5 18th April 2002 The technical ‘challenge’ – Flash synchronization – Remote monitoring – Cabling Environmental Impact – Elevated Beam Angle – Intensity Steps Case study - Horns Rev.

O H T 6 18th April 2002 Marine Navigation Aids Authorities – IALA International Association of Lighthouse Authorities - Recommendations. – Local Authority Either Trinity House or the Northern Lighthouse Board.

O H T 7 18th April 2002 IALA Recommendations for the marking of offshore structures (World wide) Recommendations for the marking of Offshore Wind Farms since May 2000, O-117 –Covers lighting, fog horns and radar reflection. Trinity House Standards –lighting, sound signals and standalone structures. Standards

O H T 8 18th April 2002 Equipment Marine Lanterns Fog Horns Radar Reflectors Temporary Marking of Structures under construction

O H T 9 18th April 2002 Summary WHY lights? –Safety –Regulatory obligation WHAT equipment must be installed? –Marine and Aircraft Warning lighting, foghorns and radar reflection WHEN should you think about Safety Marking? –EIA/Planning stage