Helicopter Westland Lynx AH1 Serial 021 Register XZ173 used by Army Air Corps AAC (British Army). Built 1977. Aircraft history and location Aircraft History XZ173 Army Air Corps AAC conv AH.7 1977-05-25AH.1 ff 25 May 1977, dd 07 Jul 1977 AH.1 651 Sq by 1985 651 Squadron 1999-06-16 A ETUOAH.7 1 REGT by 16 Jun 1999 1 REGT Westland Lynx AH7 2007 type:AH.1 653Sqn. 653 Squadron Send Updates Use APP to upload photo @ (optional) When Now? / / Send