| 29/03/1999 | Official acceptance at Mesa | |
| 1999 | N3123T | |
| 14/12/2005 | Registration cancelled | |
| 28/05/1999 | RNAS Yeovilton | Arrived Yeovilton aboard HeavyLift Belfast then roaded to Yeovil |
| 29/05/1999 | WHL Yeovil | |
| 26/08/1999 | First flight | |
| 06/01/2000 | DERA Boscombe Down | |
| 06/2000 | WHL Yeovil | |
| 19/06/2000 | Official delivery date | |
| 07/2000 | AHTU Middle Wallop | |
| 12/03/2003 | WHL Shawbury | By road transport |
| 20/07/2005 | WHL Yeovil | As “Westland 01” |
| 09/03/2006 | WHL Shawbury | As “Westland 05” |
| 19/07/2007 | 4 Rgt Wattisham | As “Gangster” |
| 01/2009 | 3 Rgt Wattisham | |
| 02/2009 | 7 Btn REME Wattisham | |
| 05/2009 | 4 Rgt Wattisham | “Dickson Pioneer III 1873-1913” |
| 10/2009 | 673 Sqn Middle Wallop | |
| 11/2010 | AHDSU Wattisham | |
| 03/2011 | 3 Rgt Wattisham | |
| 03/2012 | 4 Rgt Wattisham | |
| 12/2012 | 3 Rgt Wattisham | |
| 02/2013 | Arizona, USA | Exercise Crimson Eagle |
| 07/2013 | ADSU Wattisham | |
| 09/2013 | Wattisham Pool | |
| 04/2014 | 3 Rgt Wattisham | |
| 09/2014 | 664 Sqn 4 Rgt Wattisham | |
| 01/2015 | ADSU Store Wattisham | Storage |
| 03/2018 | SES Huntsville | Capability Sustainment Programme |
| 14/03/2018 | De-Registered |