G/TBT/N/USA/1719  
20 April 2021  
(21-3319) 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) [1748]  
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 [   ], 5.6.2 [   ], 5.7.1 [   ], other  [X]:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Mitsubishi 
model MRJ -200 airplane; use of automatic power reserve; Aircraft and space vehicles in 
general (ICS 49.020), Aer ospace electric equipment and systems (ICS 49.060), On -board 
equipment and instruments (ICS 49.090)  
5. Title, number of pages and language(s) of the notified document:  Special 
Conditions: Mitsubishi Aircraft Corporation Model MRJ -200 Airplane; Use of Auto matic 
Power Reserve for Go -Around Performance Credit (5 page(s), in English)  
6. Description of content:  Final special conditions; request for comments - These special 
conditions are issued for the Mitsubishi Aircraft Corporation (MITAC) Model MRJ -200 
airplane. This airplane will have a novel or unusual design feature when compared to the 
state of technology envisioned in the airworthiness standards for transport - category 
airplanes. This design feature is an Automatic Takeoff Thrust Control System (ATTCS),  
referred to as an Automatic Power Reserve (APR), to set the performance level for 
approach -climb operation after an engine failure. The applicable airworthiness regulations 
do not contain adequate or appropriate safety standards for this design feature. T hese 
special conditions contain the additional safety standards that the Administrator considers 
necessary to establish a level of safety equivalent to that established by the existing 
airworthiness standards.  
7. Objective and rationale, including the nat ure of urgent problems where 
applicable:  Protection of human health or safety  
8. Relevant documents:   
86 Federal Register (FR) 15780, 25 March 2021; Title 14 Code of Federal Regulations 
(CFR) Part 25:    
https://www.govinfo.gov/content/pkg/FR -2021-03-25/html/2 021-06027.htm  
https://www.govinfo.gov/content/pkg/FR -2021-03-25/pdf/2021 -06027.pdf  
This final special conditions; request for comments is identified by Docket Number FAA -
2020-0721. The Docket Folder is available on Regulations.gov at G/TBT/N/USA/1719  
 
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  https://www.regulations.gov/docket/FAA -2020-0721/document  and provides access to 
primary docume nts 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 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:  10 May 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_2842_00_e.pdf