2012 - 2013 Zone 9 Celtic Array, Hidef Aerial Bird Survey series https://portal.medin.org.uk/portal/start.php?tpc=015_8c3fbd3b-840d-442b-b196-f53322316eef HiDef Aerial Survey Ltd. was contracted by Celtic Array to carry out a series of digital video aerial surveys of marine mammals, sharks and birds in the Irish Sea Zone over the duration of April 2012 to March 2013 on a monthly basis. Special emphasis was placed on survey with the North East Potential Development Area and the Rhiannon Wind Farm. Information from this aerial survey will be used to inform the Rhiannon Wind Farm Environmental Statement and, if required for the other Potential Development Areas Environmental Statements. Results of the survey has been documented and written in the reports: Irish Sea Zone, Rhiannon Wind Farm and NE Potential Development Area : Interim report on aerial surveys for April to August 2012, Corresponding Centrica Document No : R3-D-EN-013-0006-501028-002 Irish Sea Zone, Rhiannon Wind Farm and NE Potential Development Area: Final report on aerial surveys from April 2012 to March 2013, Corresponding Centrica Document No: SE-D-EV-013-0008-000000-003 And Irish Sea Zone, Rhiannon Wind Farm and North East Potential Development Area: Final report on supplementary aerial surveys from June 2013 to July 2013 , Corresponding Centrica Document No: SE-D-EV-013-0008-000000-004 Available Datasets : 1. ArcGIS files (mpk, . shapefiles), 2. Drawings (pdf, jpeg), 3. Reports (.doc, .xls, .txt, csv), 201409 201409