Westland Lynx HAS3ICE

ICE = Antartic Operations, 4 aircraft modified for use on ice breaker patrol and research ship HMS Endurance. Two started out as HAS.2ICE (XZ246 and XZ233) that were converted to HAS.3ICE. XZ246 was later converted to HAS.3SICE (Secure Speach, See HAS3S). XZ238 and XZ241 were already HAS3S helicopters converted to HAS.3SICE.