G/TBT/N/USA/1688  
11 January 2021  
(21-0366) 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) [1713]  
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 [   ], 2.10.1 [X], 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):  Helicopter 
autopilot and stability augmentation system; Aircraft and space vehicles in general 
(ICS 49.020), On -board equipment and ins truments (ICS 49.090)  
5. Title, number of pages and language(s) of the notified document:  Special 
Conditions: Garmin International, Inc., Bell Textron Canada Limited Model 505 Helicopter, 
Visual Flight Rules Autopilot and Stability Augmentation System (3 page(s), in English)  
6. Description of content:  Final special conditions; request for comments - These special 
conditions are issued for the Bell Textron Canada Limited (BTCL) Model 505 helicopter. 
This helicopter as modified by Garmin International, Inc.  (Garmin), will have a novel or 
unusual design feature when compared to the state of technology envisioned in the 
airworthiness standards for helicopters. This design feature is associated with the 
installation of an autopilot and stability augmentation sy stem (AP/SAS). The applicable 
airworthiness regulations do not contain adequate or appropriate safety standards for this 
design feature. These special conditions contain the additional safety standards that the 
Administrator considers necessary to establis h a level of safety equivalent 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  
8. Relevant documents:   
• 85 Federal Register (FR) 79826, 11 December 2020; Title 14 Code of Federal 
Regulations (CFR) Part 27:  
https://www.govinfo.gov/content/pkg/FR -2020-12-11/html/2020 -26047.htm  
https://www.govinfo.gov/content/pkg/FR -2020-12-11/pdf/2020 -26047.pdf  
This final special conditions; request for comments is identified by Docket Number FAA -
2020-1102. The Docket Folder is available on Regulations.gov  at 
https://www.regulations.gov/docket?D=FAA -2020-1102 and provides access to primary G/TBT/N/USA/1688  
 
- 2 - 
 
  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 comments 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.  
Special Conditions: Garmin International, Inc., Bell Textron Canada Limited Model 505 
Helicopter, Visual Flight Rules Autopilot and Stability Augmentation System; Final special 
conditions; request for comments; correction published 22 December 2020:  
https://www.govinfo.gov/content/pkg/FR -2020-12-22/html/2020 -28325.htm  
https://www.govinfo.gov/content/pkg/FR -2020-12-22/pdf/2020 -28325.pdf  
9. Proposed date of adopt ion: 11 December 2020  
Proposed date of entry into force:  22 December 2020  
10. Final date for comments:  11 January 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_0321_00_e.pdf