Comment

Representation ID: 368

Received: 13/01/2010

Respondent: Civil Aviation Authority

High Structures - Notwithstanding the requirements of local aerodrome operators to consider the impact of structures within their (official of unofficially) safeguarded area, away from the immediate vicinity of an aerodrome, tall structures might nevertheless constitute an aviation hazard. In view of this, there is a mandatory lighting requirement for structures less than 150m or more. Moreover, away from aerodromes, even structures less than 150m high may need to be lit if by virtue of their nature or location they constitute a significant hazard to air navigation. It is recommended that all proposed developments over 90m in height should be notified to the Directorate of Airspace Policy (DAP) and comment sought relating to the need otherwise for aviation obstruction lights. Additionally, to cater for the need to record in aviation documents and charts at structures extending 91.4m (300ft) above ground level, local planning authorities are asked to inform the CAA/DAP about developments that might breach this level. DFT/ODPM Circular 1/2003 (annex 2, paragraph 30-32) refers.