QS3 Hushkit System Engineering & Logistics Support
QS3 Hushkit System Engineering & Logistics Support
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Current QS3 Hushkit System Support Documents: (QS3 Logistics Support

Current QS3 Hushkit System Support Documents: (QS3 Logistics SupportCurrent QS3 Hushkit System Support Documents: (QS3 Logistics SupportCurrent QS3 Hushkit System Support Documents: (QS3 Logistics Support

Current QS3 Hushkit System Support Documents: (QS3 Logistics Support

Current QS3 Hushkit System Support Documents: (QS3 Logistics SupportCurrent QS3 Hushkit System Support Documents: (QS3 Logistics SupportCurrent QS3 Hushkit System Support Documents: (QS3 Logistics Support

Proprietary Information

The information contained on this website and all downloads is the exclusive property of Hubbard Aviation Technologies, LLC.  Use or distribution of information contained on this website or its downloads is restricted to approved customers, operators and maintainers of the QS3 Hushkit System.  Any other use, copying or distribution is prohibited without prior written permission from Hubbard Aviation Technologies, LLC (Hubavtech). 

Current QS3 Documents

The QS3 documents listed below are the latest issues/revisions as of 09-01-2021.

Approved QS3 Hushkit System customers, operators and maintainers may view or obtain copies of the QS3 Logistics Support  documents by selecting the DOWNLOAD tab at the bottom of this page.  If you are not on the approved list and wish to become a subscriber, please request membership via the "Contact Us" email link below. 


Maintenance Documents:

  • Maintenance Manual Supplement, Issue 6.0, dated 09-01-2021.
  • Instructions for Continued Airworthiness Supplement, Issue 5.0, dated 08-12-2013.
  • Structural Repair Manual Supplement, Issue 2.0, Change 1 dated 06-08-2019.

Flight Manual Supplements:

  • G-III Flight Manual Supplement (ASC 070 Incorporated), dated 08-03-2018.
  • G-III Flight Manual Supplement (ASC 070 Not Incorporated), dated 08-03-2018.
  • G-III Flight Manual Supplement (ICAO Annex 16, Chapter 3), dated 08-03-2018.

Service Bulletins:

  • SB QS3-1 Ejector Drain Holes, dated 12-23-2020.
  • SB QS3-2 Crushed Thrust Reverser Forward Seals, dated 08-18-2021.

Contact Us

For AOG or immediate service, please call Stephen Marinshaw at 858-837-0960 or email: qs3logistics@gmail.com. Otherwise, send us a request with your information below.

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Hubbard Aviation Technologies, LLC

3415 University Avenue West, Saint Paul, Minnesota 55114, United States

858.800.1081

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