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Sat, May 27, 2023

Quiet Technology Aerospace Issued Industry-Changing STC

A Farewell to HTF7000 Thrust Reverser Corrosion

Quiet Technology Aerospace (QTA) has been awarded FAA Supplemental Type Certificate (STC) ST04560AT for its so-called Permanent Solution to Thrust Reverser (TR) corrosion affecting aircraft powered by Honeywell’s HTF7000 engine.

QTA will display the HTF7000 thrust reverser door assemblies salient to its permanent solution at 2023’s EBACE event in Geneva, Switzerland.

QTA’s permanent solution is the contemporary aircraft market’s only permanent, STCd means by which to eliminate TR corrosion. It is not a repair.

The newly-granted STC approves installation of QTA’s upgrade on super mid-size jets, including: Bombardier’s Challenger 300/350/3500, Gulfstream’s G280, and Embraer’s Legacy 450/500 and Praetor 500/600.

Approval of QTA’s TR corrosion STC for Textron’s Longitude 700 is reportedly forthcoming.

The doors and aft body assemblies of thrust reversers peculiar to aircraft powered by Honeywell’s HTF7000 engine are susceptible to corrosion in as little as three-hundred hours-in-service.

Formerly, the only recourse available to operators of such aircraft was to replace their jets’ corroded TR doors—and, if necessary, out-of-limit aft body assemblies—with factory new units. The cost of such components can run up to $270,000 per-engine. What’s more, replacement inlet barrels, also prone to corrosion, can cost as much as $136,000.

QTA’s Permanent Solution comprises a re-manufacturing process by which the corroded sections of stock, aluminum TR doors are replaced with new titanium aft sections. Aft body side-beams are similarly protected by way of new titanium skins. QTA’s solution maintains the same inner mold line and exit area as OEM TR assemblies, and comes with a lifetime structural warranty that automatically forward-transfers to future owners of aircraft so retrofitted.

In addition to STC approval of its TR Final Solution, QTA has received FAA certification for all associated TR hardware. Ergo, the company is able to supply such hardware to operators of HTF7000-powered aircraft independent of TR upgrades. All QTA hardware includes 8130-3 approval from QTA’s Designated Manufacturing Inspection Representative (DMIR).

QTA’s EBACE display will include the company’s popular carbon-fiber engine-inlet barrels, which eliminate engine-inlet corrosion. To date, QTA has received eight STC approvals for subject product, with upwards of 350 barrels in service globally.

QTA’s carbon-fiber engine-inlet barrel STC has been approved for:

  • Bombardier’s Challenger 300/350/3500
  • Bombardier’s Learjet 60 and 60XR
  • Dassault’s Falcon 2000EX/LX
  • Gulfstream’s G200, G280 & G450
  • Embraer’s Legacy 450/500 (including the Praetor 500/600)
  • Textron’s Hawker 1000

Quiet Technology Aerospace CEO Barry Fine stated:  “It’s just fantastic to now be able to provide operators with this solution. QTA has been engineering as hard and as smart as ever to bring to market our permanent corrosion solutions that make operating safer and far less expensive than the typical corrosion repair that merely replaces corroded parts with factory new … that are guaranteed to fail again. We look forward to seeing everyone again in Geneva and Las Vegas and proudly presenting our products.”

Quiet Technology Aerospace will exhibit at booth i51 of 2023s’ EBACE event. Parties interested in learning more about QTA and its products are invited to visit the company’s website via the FMI link below.

FMI: www.qtaerospace.com

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