The Mexican Navy has taken delivery of the first of four Airbus Military CN235 aircraft equipped as Maritime Patrol Aircraft (MPA) paralleling the Coast Guard’s own planned procurement of 36 CN235s as HC-144A.
The delivery was made through EADS North America under the Mérida Initiative, a joint program between the US Government and the Government of Mexico.
Chuck Hill's CG Blog 
A photo caption at the Acquisitions Directorate (CG-9) web site is reporting that this sale was coordinated by the Coast Guard through the Foreign Military Sales (FMS) program.
“The Government of Mexico purchased four CN235-300M aircraft (similar to the Coast Guard’s HC-144As, maritime patrol aircraft). On October 1, 2010, the FMS program awarded a $157.9 million contract to EADS North America to produce these aircraft. Early delivery of the first aircraft took place on November 15, 2011, in Seville, Spain. Members of the Office of International Acquisition’s acceptance team in the photo above are: Mr. Eric McDoniel, Contracting Officer; Ms. Franchesca Kammerer, Deputy Chief, Office of International Acquisition; and Mr. Gary Connor, Senior FMS Case Manager. Photo courtesy of Military Airbus”
(Thanks Lee)
Defense Industry Daily has a review of this program here:
http://www.defenseindustrydaily.com/Persuader-Patrol-Planes-for-Mexicos-Maritime-05372/?utm_campaign=newsletter&utm_source=did&utm_content=Foobar+Fighters%3A+UAE%2C+Malaysia%2C+Iraq+
Apparently the South Korean coast Guard is using the air frame, built in Indonesia:
http://www.thejakartapost.com/news/2011/12/23/korea-coast-guard-receives-third-cn-235-mpa.html
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