| Sightings (Most recent at top) Log-in to add your own sightings |
| Date | Place | Comments | Posted By |
| 11/04/2018 | Griffith House, Marylebone | Night | John Lloyd-Martin |
| 02/10/2017 | Marylebone Road | Night | Steve Howard |
| 30/04/2017 | Acton Works | Staff car park | Bob Milner |
| 27/04/2017 | Acton Works | staff car park | Ray |
| 22/04/2017 | Acton Works | staff car park | Ray |
| 01/02/2017 | Marylebone Road | Night | Steve Howard |
| 05/01/2017 | Marylebone Road | Night | Steve Howard |
| 29/10/2016 | Edgware Road Station | | Ray |
| 18/08/2016 | Old Street | Night. Passing | Ray |
| 18/08/2016 | Old Street | Night. Passing | Steve Howard |
| 18/08/2016 | Old Street | Night. Passing | Thomas Young |
| 26/07/2016 | Marylebone Road | Night | Steve Howard |
| 12/07/2016 | Griffith House, Marylebone | Night | Steve Howard |
| 18/06/2016 | Acton Works | staff car park | Ray |
| 04/06/2016 | Acton Works | Staff car park | Bob Milner |
| 21/05/2016 | Acton Works | staff car park | Ray |
| 02/04/2016 | Acton Works | Staff car park | Bob Milner |
| 27/02/2016 | Acton Works | Staff car park | Bob Milner |
| 05/12/2015 | Acton Works | staff car park | Ray |
| 28/11/2015 | Acton Works | staff car park | Steve Howard |
| 09/11/2015 | Acton, Bollo Lane | | Ray |
| 26/09/2015 | Acton Works | staff car park | Ray |
| 03/09/2015 | Acton, Bollo Lane | | Ray |
| 13/08/2015 | Acton Town, Frank Pick House | | Ray |
| 25/06/2015 | Acton Town, Frank Pick House | | Ray |
| 15/05/2015 | Acton Town, Frank Pick House | | Ray |
| 18/02/2015 | Acton Town, Frank Pick House | | Thomas Young |
| 12/02/2015 | Acton Town, Frank Pick House | | Ray |
| 17/11/2014 | Acton Works | staff car park | Ray |
| 11/08/2014 | Acton Works | Staff car park | Ray |
| 09/08/2014 | Acton Works | staff car park | London spotter |
| 12/07/2014 | Acton Works | Staff car park | Bob Milner |
| 31/05/2014 | Acton Works | Staff Car Park | Bob Milner |
| 23/04/2014 | Acton, Bollo Lane | - | Ray |
| 20/12/2013 | Acton Works | staff car park | Ray |
| 14/12/2013 | Acton Works | Staff Car Park | London spotter |
| 08/11/2013 | Acton Works | staff car park | Ray |
| 08/09/2013 | Acton Works | staff car park | Ray |
| 20/07/2013 | Acton Works | Staff car park | Thomas Young |
| 20/07/2013 | Acton Works | staff car park | Ray |
| 18/06/2013 | Acton Works | Staff car park | Bob Milner |
| 14/06/2013 | Acton Works | staff car park | Ray |
| 08/06/2013 | Acton Works | Staff car park | Bob Milner |
| 20/04/2013 | Acton Works | staff car park | Ray |
| 08/04/2013 | Templar House, Holborn | Night | Steve Howard |
| 28/03/2013 | Acton Works | staff car park | Ray |
| 20/03/2013 | Acton Works | Staff car park | Thomas Young |
| 09/03/2013 | Acton Works | Staff car park | Bob Milner |
| 27/02/2013 | Lambeth North | Night | Steve Howard |
| 18/02/2013 | Acton Works | staff car park | Ray |
| 17/02/2013 | Acton Works | staff car park | Steve Howard |
| 16/02/2013 | Acton Works | staff car park | Bob Milner |
| 08/02/2013 | Southwark, Chancel Street | with light-bar | Ray |
| 25/12/2012 | Acton Works | staff car park | Steve Howard |
| 20/12/2012 | Acton Works | Staff car park | London spotter |