| 67 WAH-64 Longbow Apaches in initial order. Expected that 48 airframes will equip 3 Regiments, with 19 held for trials, training, attrition replacement and as battle reserves.  The Apache AH Mk.1 achieved operational status on May 2005 replacing the Westland Lynx AH7. First deployment was in 2006 during Operation Herrick in Afghanistan. In 2011 while the fleet reached the 100,000 flight hours milestone were deployed aboard HMS Ocean off the coast of Libya for Operation Ellamy. In 2013 surpassed the 150,000 flying hours with more than 40 percent of annual flying hours in Afghanistan. Scheduled to be replaced by AH-64E from 2022 |
Units | |
| Years | Units | bold : Current base of the Unit |
| 2009/ | 653 Squadron  | AAC Wattisham |
| 2007/ | 664 Squadron |  Skopje Petrovec RAFO MusannahAAC Wattisham AAC Dishforth |
| 2005/ | 663 Squadron | AAC Wattisham |
| 2005/ | 662 Sq |  Camp BastionAAC Wattisham |
| 2003/ | 656 Squadron | AAC Wattisham Camp Bastion AAC Dishforth |
| 2003/ | 673 Squadron | AAC Middle Wallop |
| 2003/ | 4 REGT | AAC Wattisham |
| ??/14 | 654 Squadron | Camp Bastion Pristina KosovoAAC Wattisham  Al Jubail Detmold SoestEnniskillen St Angelo Long Kesh  Long Kesh Herford Hildesheim |
