Helicopter Support, Inc. (HSI) is a distributor for Robertson Aviation’s line of crashworthy extended range fuel systems. For over 30 years, Robertson Aviation has been a world leader in the design and manufacture of these systems. Their products fly on many of the preeminent helicopters in operation today with over 4,000 tanks delivered to date. HSI, a Sikorsky Aerospace Services company, is a trusted service provider for numerous OEMS around the world. HSI annually processes more than 25,000 shipments to more than 900 customers worldwide by maintaining over 100,000 part numbers in stock

Helicopter Support, Inc. provides aftermarket support to the rotorcraft industry worldwide. The company offers a range of products and services to support commercial and military helicopters. Its products and services include spare parts provisioning and recommendations; OEM repairs and overhauls; aircraft upgrades; supply chain management; logistics and export clearance support; maintenance assurance programs, including total assurance, powertrain assurance, helicopter loaner blade, and component exchange programs; and fleet management solutions. Helicopter Support, Inc. was formerly known as R. J. P. Aircraft Sales, Inc. and changed its name to Helicopter Support, Inc. in April 1994. The company was founded in 1968 and is based in Trumbull, Connecticut. Helicopter Support, Inc. operates as a subsidiary of Sikorsky Aircraft Corporation.