G/TBT/N/USA/1770  
31 August 2021  
(21-6501) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  UNITED STATES OF AMERICA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:  Federal Aviation Administration (FAA) [1799]  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated i f different from above:   
Please submit comments to: USA WTO TBT Enquiry Point, Email: usatbtep@nist.gov  
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Various 
Airplanes, flight instruments; Aircraft and space vehicles in general (ICS 49.020), On -
board equipment and instruments (ICS 49. 090) 
5. Title, number of pages and language(s) of the notified document:  Airworthiness 
Directives; Various Airplanes (9 page(s), in English)  
6. Description of content:  Notice of proposed rulemaking - The FAA proposes to adopt a 
new airworthiness directiv e (AD)  for various airplanes modified with certain configurations 
of Garmin  G3X Touch Electronic Flight Instrument System installed per  Supplemental 
Type Certificate (STC) No. SA01899WI or Garmin GI 275  Multi-Function Display System 
(MFDS) installed per ST C No. SA02658SE.  This proposed AD was prompted by a report 
of a fuel quantity disparity  between the amount of fuel indicated and the actual amount 
of fuel.  This proposed AD would require modifying the resistive fuel probe  interface. The 
FAA is proposing th is AD to address the unsafe condition  on these products.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Protection of human health or safety  
8. Relevant documents:   
86 Federal Register (FR) 48070, 30 August 2021; Title 14 Code of Federal Regulations 
(CFR) Part 39:  
https://www.govinfo.gov/content/pkg/FR -2021-08-27/html/2021 -18385.htm  
https://www.govinfo.gov/content/pkg/FR -2021-08-27/pdf/2021 -18385.pdf  
This notice of proposed rulemaking is identified by Docket Number FAA -2021-0715. The 
Docket Folder is available on Regul ations.gov at 
https://www.regulations.gov/docket/FAA -2021-0715/document  and provides access to 
primary documents as well as comments received. Documents are also accessib le from 
Regulations.gov  by searching the Docket Number. WTO Members and their stakeholders 
are asked to submit comments to the USA TBT Enquiry Poin t. Comments received by the 
USA TBT Enquiry Point from WTO Members and their stakeholders will be shared with the G/TBT/N/USA/1770  
 
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  regulator and will also be submitted to the Docket  on Re gulations.gov if received within 
the comment period.  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  
10. Final date for comments:  12 October 2021  
11. Texts available from:  National enquiry point [ ] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
https://members.wto.org/crnattachments/2021/TBT/USA/21_5474_00_e.pdf