Helicopter Sikorsky S-76C Serial 760511 Register N51UT used by Sikorsky Helicopters. Built 1999. Aircraft history and location Aircraft History N51UT Sikorsky Helicopters United Technologies Corporation at East Granby, CT Jan01 2020-06-10 Westfield/Springfield, Massachusetts2020-07-20 Worcester, Massachusetts2020-08-21 Windsor Locks, Connecticut Windsor Locks, ConnecticutCall sign for this aircraft: N51UT Send Updates Use APP to upload photo @ (optional) When Now? / / Send