| Alan James Johnstone | Director | 3 Jun 2020 | 2 Nov 2020 | British | 63 years |
| Alister James Mcgregor | Director | 16 Jul 1992 | 5 Oct 2001 | British | 68 years |
| Allister Gordon Langlands | Director | 12 Aug 1991 | 12 Dec 2008 | British | 68 years |
| Andrew James Heath | Director | 7 Sept 2009 | 1 Dec 2014 | British | 62 years |
| Antonio Vincenzo Dinozzi | Director | 1 Mar 2019 | 31 Dec 2023 | British | 57 years |
| Antonio Vincenzo Dinozzi | Secretary | 1 Mar 2019 | 31 Dec 2023 | - | - |
| Antony Wood | Director | 7 Sept 2009 | 2 Dec 2011 | British | 60 years |
| Brian Coleman | Director | 1 Jan 1996 | 1 Feb 1997 | British | 79 years |
| Brian Dara Byrne | Director | 1 Dec 2014 | 20 Jun 2018 | American | 55 years |
| Carolina De Camargo Bicudo De Castro | Secretary | 6 May 2013 | 31 Dec 2013 | - | - |
| Charles Nicholas Brown | Secretary | 20 May 1991 | 23 Mar 1998 | British | - |
| Christopher Edward Milne Watson | Director | 25 Mar 2004 | 5 Mar 2014 | British | 59 years |
| Christopher Edward Milne Watson | Secretary | 1 Oct 1999 | 25 Mar 2004 | British | - |
| Christopher Edward Milne Watson | Secretary | 13 Aug 2004 | 6 May 2013 | British | - |
| Christopher Peter Handy | Director | 5 Dec 2011 | 20 Jun 2014 | British | 61 years |
| Christopher William Beaumont | Director | 16 Jul 1992 | 11 Jan 1993 | British | 87 years |
| Craig Banks | Director | 10 Oct 2000 | 31 Jan 2008 | British | 69 years |
| Craig Shanaghey | Director | 2 Nov 2020 | 12 Dec 2022 | British | 55 years |
| David Anthony Yerburgh Bonsey | Director | 16 Jul 1992 | 23 Aug 1999 | British | 85 years |
| David Charles Baillie | Director | 27 Aug 2003 | 25 Mar 2004 | British | 69 years |
| David Clive Noble | Director | 1 Jan 1999 | 2 May 2000 | British | 71 years |
| Edward Thomas Curley | Director | 28 Aug 2002 | 31 Mar 2009 | American | 71 years |
| Ellis Steven Renforth | Director | 12 Dec 2022 | 15 May 2024 | British | 53 years |
| George Alexander Brown | Director | 5 Mar 2014 | 3 Jun 2020 | British | 76 years |
| Graham Good | Secretary | 23 Mar 1998 | 1 Oct 1999 | British | - |
| Hal Wilson | Director | 2 May 2000 | 1 Dec 2000 | Usa | 73 years |
| Hugh Fleming Gibson | Director | 6 Feb 1990 | 31 Jan 2008 | British | 80 years |
| Hugh Robert Clayton | Director | 10 Oct 2012 | 1 Dec 2014 | British | 54 years |
| Ian Alexander Callender | Director | 8 Apr 2008 | 14 Oct 2013 | British | 65 years |
| Ian Stewart Carmichael | Director | 1 Jan 2001 | 28 Sept 2004 | British | 72 years |
| James Edwin Brocklehurst | Director | 16 Jul 1992 | 31 Dec 1998 | British | 93 years |
| John Paul Paterson | Director | 28 Jun 2006 | 27 Feb 2007 | British | 69 years |
| Keith James Brady | Director | 19 Feb 1999 | 1 Jun 2000 | British | 75 years |
| Keith James Brady | Director | 1 Jun 2000 | 31 Dec 2007 | British | 75 years |
| Kenneth Allan Mccombie | Director | 25 Mar 2004 | 25 Mar 2004 | British | 60 years |
| Margaret Elizabeth Green | Director | 1 Jan 1999 | 2 May 2000 | British | 73 years |
| Margaret Elizabeth Green | Director | 2 May 2000 | 28 Sept 2004 | British | 73 years |
| Margaret Elizabeth Green | Director | 28 Sept 2004 | 31 Jul 2007 | British | 73 years |
| Mark Harry Papworth | Director | 21 Sept 2005 | 7 Jun 2012 | British | 61 years |
| Mark Stephen Dobler | Director | 7 Jun 2012 | 5 Mar 2014 | American | 63 years |
| Martin Simmonite | Director | 15 May 2024 | 31 Jul 2025 | British | 57 years |
| Miles Adrian Cowdry | Director | 27 Feb 2007 | 7 Sept 2009 | British | 68 years |
| Mitchell Scott Semple | Director | 6 Feb 1990 | 2 Aug 1991 | British | 83 years |
| Neil Jennings | Director | 1 Jan 1996 | 16 Apr 1998 | British | 78 years |
| Nicholas Charles Gilman | Secretary | 31 Dec 2013 | 1 Mar 2019 | - | - |
| Nicholas Charles Gilman | Director | 5 Mar 2014 | 1 Mar 2019 | British | 59 years |
| Nicholas Jay Blaskoski | Director | 16 Apr 1998 | 2 May 2000 | American | 70 years |
| Paul Andre Bourgon | Director | 1 Jan 1999 | 2 May 2000 | Canadian | 70 years |
| Peter Edward Brown | Director | 4 Mar 2008 | 28 Apr 2011 | British | 57 years |
| Rex John Body | Director | 6 Feb 1990 | 16 Jul 1992 | British | 89 years |
| Richard John Smallwood | Director | 6 Feb 1990 | 1 Jan 1996 | British | 71 years |
| Robert Brian Thomas | Director | 2 May 2000 | 5 Mar 2014 | British | 68 years |
| Robert Wallace Sunerton | Director | 6 Feb 1990 | 1 Jan 1996 | British | 85 years |
| Rolls Wood Group (repair & Overhauls) Limited | Corporate Director | 7 Sept 2009 | 7 Sept 2009 | - | - |
| Russell David Buxton | Director | 1 Jan 2001 | 31 Jul 2007 | British | 63 years |
| Sean Fleming | Director | 2 May 2000 | 3 Dec 2000 | Republic Of Ireland | 58 years |
| Simon David Martle | Director | 20 Jun 2014 | 1 Dec 2014 | British | 56 years |
| Stephen Chivers | Director | 2 May 2000 | 25 Sept 2002 | British | 77 years |
| Stuart Richard Broadley | Director | 25 Mar 2004 | 21 Sept 2005 | British | 59 years |
| Stuart Richard Broadley | Director | 12 Dec 2008 | 31 Mar 2010 | British | 59 years |
| Stuart Spence | Director | 27 Aug 2003 | 25 Mar 2004 | British | 57 years |
| Stuart Spence | Secretary | 25 Mar 2004 | 13 Aug 2004 | British | - |
| Thomas Motherwell | Director | 22 Jan 1990 | 1 Jun 2000 | British | 82 years |
| Thorbjoern Leif Fors | Director | 4 Jun 2015 | 12 Dec 2019 | Swedish | 58 years |
| Trevor Joseph Twigg | Director | 16 Jul 1992 | 31 Dec 1998 | British | 98 years |
| William Anthony Ruegger | Director | 28 Sept 2004 | 10 Oct 2012 | American | 66 years |
| William Charles Madison | Director | 2 May 2000 | 28 Sept 2004 | American | 75 years |
| William Charles Madison | Director | 28 Sept 2004 | 31 Jul 2007 | American | 75 years |
| William Edgar | Director | 29 Jan 2001 | 27 Aug 2003 | British | 88 years |
| William Iain Mckay | Director | 11 Jan 1993 | 23 Aug 1999 | British | 78 years |
| William Kerr Picken | Director | 12 Dec 2008 | 3 Mar 2011 | British | 63 years |
| Willibald Meixner | Director | 1 Dec 2014 | 4 Jun 2015 | German | 62 years |