We had one, maybe two Whirlwinds fitted for missile firing on 103 and used in the end to provide missile practice for Canberra navs. Unfortunately someone pressed the "clear aircraft" switch and dumped the lot in the sea at China Rock range.
All the fixed fittings were retained along with the HF, Night Sun, package winch, filter nose door etc. Must have been the heaviest Whirlwind ever except for the Queen's Flight jobs.