Royal Navy minehunter HMS Chiddingfold is back in the water after spending eight months in dry dock for a significant upgrade. The ship has been fitted with new Caterpillar C32 diesel engines - replacing her old Napier Deltics - which will extend her operational life, improve efficiency and reliability and reduce emissions. As well as new engines she has received upgrades to her machinery monitoring systems and computer systems, and had obsolete equipment removed. The 40-strong…