WORLD TRADE
ORGANIZATIONG/TBT/Notif.99/621
23 December 1999
(99-5580)
Committee on Technical Barriers to Trade
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6.
1. Member to Agreement notifying:   MEXICO
If applicable, name of local government involved (Articles 3.2 and 7.2):           
2. Agency responsible:   Ministry of Communications and Transport
Agency or authority designated to handle comments regarding the notification shall be
indicated if different from above:   Contact point
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):   Aircraft
5. Title, number of pages and language(s) of the notified document:   Emergency Official
Mexican Standard NOM-EM-052-SCT/3-1999 Establishing Within Mexico the
Requirements for Implementing the Maximum Permissible Noise Emission Levels for
Subsonic Jet, Propeller and Supersonic Airplanes, Helicopters, Auxiliary Power Units and
Systems Associated with the Aircraft During Operations on the Ground (29 pages, inSpanish)
6. Description of content:   Establishes the requirements for implementing the maximum
permissible noise emission levels for subsonic jet, propeller and supersonic airplanes,
helicopters, auxiliary power units and systems associated with the aircraft during operations
on the ground within Mexico, and is intended for persons responsible for such operations.
7. Objective and rationale, including the na ture of urgent problems where applicable:
Environmental protection and human health
8. Relevant documents:   Diario Oficial de la Federación (Official Journal) of
26 November 1999 (Valid for six months following the date of publication in the Official
Journal.)
9. Proposed date of adoption:
Proposed date of entry into force: }27 November 1999
10. Final date for comments:   Not applicable
11. Texts available from:  National enquiry point [  X ] or address, e-mail and telefax
number of the other body:           