Helicopter Sikorsky MH-60S Seahawk Serial Register 166322 used by US Navy USN. Aircraft history and location Aircraft History 166322 US Navy 2010-07USN Jul10 HSC-28 /BR-41 USS Mount Whitney (LCC-20) Aug10 HSC-28 /BR-41 USS Mount Whitney (LCC-20) Send Updates Use APP to upload photo @ (optional) When Now? / / Send