US industrial conglomerate United Technologies (UTC) is in negotiations to buy aerospace-equipment maker Goodrich for as much as $15.6 billion, CNBC television reported on Friday. UTC is in \"deep negotiations\" about acquiring Goodrich for between $110 and $125 a share, which corresponds to a value of $13.8 billion to $15.6 billion, the channel said, citing unnamed sources close to the talks. Shares of Goodrich, which closed at $92.89 on Friday, jumped 20.1 percent in after-hours trading to $111.53. Goodrich makes parts such as landing gear and engine control systems used in Boeing and Airbus passenger planes, as well as components used in military helicopters. UTC, a member of the Dow\'s list of 30 blue-chip companies, spans a number of industries such as aircraft engines (Pratt & Whitney), helicopters (Sikorsky), aerospace equipment (Hamilton Sundstrand), elevators (Otis) and air conditioners (Carrier).