# STC ST04560AT - Type: Supplemental type certificate - Status: Current, Amended - Holder: Quiet Technology Aerospace - Description: Replacement of the existing Honeywell HTF7000 engine upper and lower thrust reverser door assemblies with Quiet Technology Aerospace modified upper and lower thrust reverser door assemblies - Status date: June 18, 2025 - Data sheets: T00005NY, T00005NY, TC00062IB, TC00062IB, A61NM - Certificate PDF: https://openairdocs.org/files/sha256/01/b3/01b3417b11a05e99c5054c6e14bc296785c2f9e06dba57363c1cd0f941af309d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184244025120250708152038.0001 - Page: https://openairdocs.org/stc/ST04560AT ## ADs that name it None. ## Approved models (5) - Bombardier Inc. BD-100-1A10 (TCDS T00005NY) - Bombardier Inc. BD-100-1A10 (Challenger 300) (TCDS T00005NY) - Embraer S.A. EMB-545 (TCDS TC00062IB) - Embraer S.A. EMB-550 (TCDS TC00062IB) - Gulfstream Aerospace LP Gulfstream G280 (TCDS A61NM) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 1 of 3 Number: ST04560AT This certificate issued to: Quiet Technology Aerospace 4100 N 29th Terrace Hollywood, FL 33020 Part 25 of the Federal Aviation Regulations. See Approved Model List Model: Approved Model List QTA-TR-7000 AML, Rev. A, dated Jan. 3, 2024, or later FAA approved revisions. Replacement of the existing Honeywell HTF7000 engine upper and lower thrust reverser door assemblies with Quiet Technology Aerospace modified upper and lower thrust reverser door assemblies. The Quiet Technology Aerospace thrust reverser door assemblies consist of new titanium inner door exhaust impingement surfaces mechanically fastened to refurbished OEM aluminum thrust reverser doors and modified aft body side beams using new attachment hardware preserving the OEM inner mold lines. This STC is issued in accordance with Quiet Technology Aerospace document “HTF 7000 Thrust Reverser Upgrade Master Drawing List,” Report No. QTA 7001, Rev. B, dated October 26, 2023, and “HTF 7000 Thrust Reverser Upgrade Assemble Instructions Report,” Report No. QTA 7007, Rev. B, dated October 26, 2023, or later FAA approved revisions. The following Quiet Technology Aerospace documents are required with this installation: “HTF 7000 Thrust Reverser Upgrade for Challenger 300/350 Instructions for Continued Airworthiness,” Report No. QTA 7003, Rev. A, dated Dec. 20, 2023 for Bombardier Inc. BD-100-1A10, “HTF 7000 Thrust Reverser Upgrade for Embraer EMB 545 and 550 (Legacy 450/500 and Praetor 500/600) Instructions for Continued Airworthiness,” Report No. QTA 7020, Rev. A, dated Dec. 20, 2023 for Embraer EMB-545 and EMB-550, “HTF 7000 Thrust Reverser Upgrade for Gulfstream G280 Instructions for Continued Airworthiness,” Report No. QTA 7010, Rev. IR, dated May 10, 2023 for Gulfstream Aerospace LP Gulfstream G280, “HTF 7000 Thrust Reverser Upgrade for Textron Cessna Longitude Model 700 Instructions for Continued Airworthiness,” Report No. QTA 7030, (Continued on Page 3 of 3) Date of Application: December 7, 2020 Date Reissued: Date of Issuance: May 23, 2023 Date Amended: February 29, 2024 By Direction of the Administrator Signature Title (for) Christina M. Underwood, Manager East Certification Branch United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 2 of 3 Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST04560AT To (Name and address of transferee) From (Name and address of grantor) United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder. FAA Form 8110-2 (5/14) Page 3 of 3 (Continuation Sheet) Number: ST04560AT Date of Issuance: May 23, 2023 Date Amended: February 29, 2024 Description of Type Design Change: (continued) Rev. A, dated Dec. 20, 2023 for Textron Aviation Inc. 700, or later FAA approved revisions. This modification has been determined to be a no acoustic change in accordance with 14 CFR §21.93(b). 1. The installer must determine whether this design change is compatible with previously approved modifications. 2. A copy of this certificate must be maintained as part of the permanent records for the modified aircraft. 3. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. Certification Basis: Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for changes that are not significant in FAA Order 8110.48, the certification basis for this modification are as follows: a. The type certification basis for the Bombardier Inc. model BD-100-1A10 aircraft is shown on TCDS No. T00005NY for parts not changed or not affected by the change. b. The type certification basis for the Bombardier Inc. model BD-100-1A10 aircraft is shown on TCDS No. T00005NY for parts changed or affected by the change. c. The type certification basis for the Embraer S.A. models EMB-545 and EMB-550 aircraft is shown on TCDS No. TC000621B for parts not changed or not affected by the change. d. The type certification basis for the Embraer S.A. models EMB-545 and EMB-550 aircraft is shown on TCDS No. TC000621B for parts changed or affected by the change. e. The type certification basis for the Gulfstream Aerospace LP model Gulfstream G280 aircraft is shown on TCDS No. A61NM for parts not changed or not affected by the change. f. The type certification basis for the Gulfstream Aerospace LP model Gulfstream G280 aircraft is shown on TCDS No. A61NM for parts changed or affected by the change. g. The type certification basis for the Textron Aviation Inc. model 700 aircraft is shown on TCDS No. T00015WI for parts not changed or not affected by the change. h. The type certification basis for the Textron Aviation Inc. model 700 aircraft is shown on TCDS No. T00015WI for parts changed or affected by the change. END ### ST04560AT_AML.pdf Page 1 of 2 Quiet Technology Aerospace, Inc. 4100 N 29th Terrace, Hollywood, FL 33020 FAA APPROVED MODEL LIST (AML) AML Number QTA-TR-7000-AML Revision B dated 6-18-2025 SUPPLEMENTAL TYPE CERTIFICATE STC ST04560AT FOR INSTALLATION OF THE QUIET TECHNOLOGY AEROSPACE UPGRADED THRUST REVERSERS ON PART 25 AIRCRAFT FAA APPROVED: DATE: Page 2 of 2 Quiet Technology Aerospace 4100 N 29th Terrace, Hollywood, FL 33020 Document Number QTA-TR-7000-AML Rev B FAA APPROVED MODEL LIST (AML) – STC Number ST04560AT FOR INSTALLATION OF THE QUIET TECHNOLOGY AEROSPACE UPGRADED THRUST REVERSERS Part Number QTA-TR-7000-101 and QTA-TR-7000-102 Installation Instructions ITEM Make Model TCDS Cert Basis / Amendment MDL Number/ Drawing Number Drawing Revision Date ICA MFG P/N AFM Supplement Number/Date AML Amended Date 1 Bombardier BD-100- 1A10 T00005NY 25-0 thru -72 MDL QTA7001 Rev B Or later revision QTA-TR-7000 Rev A dated 10-26-2022 Or later revision QTA 7003 dated 12-20-2023 Rev A. Or later revision QTA-TR-7000-101 QTA-TR-7000-102 N/A 1-3-2024 2 Gulfstream G280 A61NM 25-0 thru -72 MDL QTA7001 Rev B Or later revision QTA-TR-7000 Rev A dated 10-26-2022 Or later revision QTA 7010 dated 12-20- 202310-26-2022 Rev IR. Or later revision QTA-TR-7000-101 QTA-TR-7000-102 N/A 1-3-2024 3 Embraer EMB-545 EMB-550 TC00062IB 25-0 thru -72 MDL QTA7001 Rev B Or later revision QTA-TR-7000 Rev A dated 10-26-2022 Or later revision QTA 7020 dated 12-20-2023 Rev A. Or later revision QTA-TR-7000-101 QTA-TR-7000-102 N/A 1-3-2024 4 Textron 700 T00015W1 25-1 thru 25- 139, 25-141, and 25-143. MDL QTA7001 Rev B Or later revision QTA-TR-7000 Rev A dated 10-26-2022 Or later revision QTA7030 dated 3-30-2025 Rev B. Or later revision QTA-TR-7000-103 QTA-TR-7000-104 N/A 6-18-2025 Revision A: Added ITEM 4, Updated MDL and ICA revisions all models. Revision B: ITEM 4 changed MFG P/N for Textron model 700, was -101/-102. FAA Approved Date: ## Every issue (2) - June 18, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/01/b3/01b3417b11a05e99c5054c6e14bc296785c2f9e06dba57363c1cd0f941af309d), [ST04560AT_AML.pdf](https://openairdocs.org/files/sha256/64/48/6448d78aefc19dbcd9be863a79846902298705c0e5b83c8c83548999c7ec7a29) - May 23, 2023: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/05/3f/053f6aadaaac91c1d20e826e4d198cc5eeb478123f424be99b4c407c37b4734b), [ST04560AT_AML.pdf](https://openairdocs.org/files/sha256/fe/6f/fe6faa636b96d3220cbdcdebab4b66e77fabc2a52ca27e593ae394cb1a102ef0) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.