Helicopter Sikorsky MH-60S Seahawk Serial 70-2771 Register 165778 used by US Navy USN. Aircraft history and location Aircraft History 165778 US Navy USN 2005 HSC-23 /HW-72 2011 HSC-28 /BR-53 COMSIXTHFLT VIP HSC-28 Send Updates Use APP to upload photo @ (optional) When Now? / / Send