G/TBT/N/USA/1699  
18 February 2021  
(21-1395) 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) [1728]  
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):  Fly-by-
wire flight control system; 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:  Special 
Conditions: Bell Textron Inc., Model 525 Helicopter; Fly -By-Wire (FBW) Flight Control 
System (FCS) (3 page(s), in English)  
6. Description of content:  Notice of proposed special conditions - This action proposes 
special conditions for the Bell Textron Inc. (Bell) Model 525 helicopter. This helicopter will 
have a novel or unusual design feature associated with a fly -by-wire (FBW) flight control 
system (FCS). The applicable airworth iness regulations do not contain adequate or 
appropriate safety standards for this design feature. These proposed special conditions 
contain the additional safety standards that the Administrator considers necessary to 
establish a level of safety equivalen t to that established by the existing airworthiness 
standards.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Protection of human health or safety  G/TBT/N/USA/1699  
 
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  8. Relevant documents:   
• 86 Federal Register (FR) 7516, 29 January 2021; Title 14 Code of Federal 
Regulations (CFR) Part 25:  
https://www.govinfo.gov/content/pkg/FR -2021-01-29/html/20 21-01958.htm  
https://www.govinfo.gov/content/pkg/FR -2021-01-29/pdf/2021 -01958.pdf  
This notice of proposed special conditions is identified by Docket Number FAA -2021-0065. 
The Docket Folder is available on Regulations.gov  at 
https://www.regulations.gov/docket?D=FAA -2021-0065 provid es access to primary 
documents as well as comments received. Documents are also accessible from 
Regulations.gov  by searching the Docket Number. WTO Members and their stakeholders 
are asked to submit co mments to the USA TBT Enquiry Point . Comments received by the 
USA TBT Enquiry Point from WTO Members and their stakeholders will be shared with the 
regulator and will also be submitted to the Docket  on Regulations.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:  15 March 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_1229_00_e.pdf