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No. of STCs: 4

STC Holder: United Technologies Hamilton Standard, Windsor Locks, CT 06096, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE133NE	Status: Current	App Date: 03/01/1983	Rev Date: 05/03/1985
Description: Incorporation of Hamilton Standard EDM 110-3 Engine Data Multiplexer
TC Nos.: E3NE
Models: Pratt & Whitney DivisionJT9D-7R4D1, JT9D-7R4E1, JT9D-7R4H1
ACO: AIR-7E0: Engine Certification Office Branch

STC Holder: United Technologies Sikorsky Aircraft P.O. Box 1621, W. Palm Beach, FL 33402, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH2055SO	Status: Current	App Date:	Rev Date: 02/09/1987
Description: Installation of Foxboro SC-14 fuel management system.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B
ACO: AIR-750: East Certification Branch ATL

STC Holder: United Technologies Sikorsky Aircraft P.O. Box 109610, W.Palm Beach, FL 33410-9610, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00432AT	Status: Current	App Date:	Rev Date: 03/07/1994
Description: Installation of a Honeywell EDZ-7565x6 Electronic Flight Instrument System (EFIS).
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76B, S-76C
ACO: AIR-750: East Certification Branch ATL

STC Holder: United Technologies Hamilton Standard, Windsor Locks, CT 06096, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00386BO	Status: Current	App Date: 06/29/2017	Rev Date: 11/30/2017
Description: Installation of Hamilton Sundstrand Supplemental Cooling Unit (SCU) P/N 7011015H02EX (service life escalation)
TC Nos.: T00021SE
Models: The Boeing Company787-8, 787-9
ACO: AIR-750: East Certification Branch BOS