Since 1984, our Companies have achieved eight Supplemental Type Certificates (STC’s) for Hush Kits on large transport aircraft, military transports and corporate business aircraft.

QTA also has more than a decade of experience with Hush Kits for Spey engines. The Kit for Gulfstream II, IIB and III uses the same design as the BAC 1-11 kit that received certification in 2000. With Hush Kits in service on the BAC 1-11, and many currently in use on the Gulfstream II, IIB and III the QTA Hush Kit has proven to be durable, reliable, and easy to maintain.

As the leader in Hush Kit design and manufacturing, Quiet Technology Aerospace has developed the only Stage 3 Certified (STC) Hush Kit for the Gulfstream GII, GIISP, GIIB, and GIII, giving you back your freedom, by allowing you to travel the world, quietly, without restriction.

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