Jonathan Crosier^1,2, Sebastian O'Shea¹, James Dorsey^1,2, Waldemar Schledewitz¹, Ian Crawford¹, Keith Bower¹, Stephan A Borrmann^3,4, Richard Cotton⁵, Aaron Bansemer⁶, Peggy Achtert⁷, Chris Westbrook⁸, Chris Walden^9,10, Joseph Ulanowski¹¹, Ryan Neely III^12,13, Freya Addison^12,13, Graeme Nott¹⁴ and Chris Reed¹⁴, (1)University of Manchester, Manchester, United Kingdom, (2)National Centre for Atmospheric Science, Manchester, United Kingdom, (3)Max Planck Institute for Chemistry, Mainz, Germany, (4)Johannes Gutenberg University, Mainz, Germany, (5)Met Office, Exeter, United Kingdom, (6)NCAR, Boulder, CO, United States, (7)University of Reading, Dept. of Meteorology, Reading, United Kingdom, (8)University of Reading, Reading, United Kingdom, (9)STFC Chilbolton Observatory, Chilbolton, United Kingdom, (10)National Centre for Atmospheric Science, Rutherford Appleton Laboratory, United Kingdom, (11)University of Hertfordshire, Hatfield, United Kingdom, (12)University of Leeds, Leeds, United Kingdom, (13)National Centre for Atmospheric Science, Leeds, United Kingdom, (14)Facility for Airborne Atmospheric Measurements, Cranfield, United Kingdom