Helicopter Westland Sea King HC.4 Serial wa1001 Register ZG820 used by Fleet Air Arm RN (Royal Navy). Built 1990. Aircraft history and location By Dave Taskis Aircraft History ZG820 Fleet Air Arm 1990-06-02RN HC.4 f/f 02jun90, d/d 21aug90 2000 845Sqn /A 2003 845Sqn /A 2004 845Sqn /A 845 NAS 2002-02-2323feb02 (top) asg HMS Illustrious (R06) on USNS Pecos (T-AO-197) 2012-06-23 A EGDY23 (top) as 845SqS /I at the RNAS Yeovilton airshow 845 NAS Send Updates Use APP to upload photo @ (optional) When Now? / / Send