2004 Mexican UFO incident
On May 13, 2004 Jaime Maussan released his interview of Mexican Air Force pilots showing an infrared video footage from a military air patrol on March 5, 2004 to search for drug-running planes, that shows at least 11 very hot "spheres" moving irregularly with apparent great speed. The objects could not be seen with the naked eye, neither the crew on board nor ground personnel confirmed any radar contact with the objects in question. The crew did however pick up an earlier radar contact of an object moving at 60 mph which was later described as a lonely truck on the highway below which has been located to the front of the two engine Merlin C26A aircraft whereas the infrared targets were picked up through a dome mounted IR-system a little later at abt. -130° azimuth relative to the aircraft's flight direction in its 8 o'clock position.
Skeptics have suggested that the UFOs were actually oil platform burn-off flares of the Cantarell oil field located around , some 240 kilometres (149 mi) to the north west of the aircraft. This would have placed the objects near the horizon so as to appear on the same level as the aircraft. Captain Alejandro Franz analyzed the latter option and published his results from July 2004 to May 2008.
Mexican Air Force FLIR's video lights are not UFOs. They are now confirmed to be oil well gas flames. The AN/APS 143 Radar video is unavailable and the targets detected could be vehicles on the Yucatán's peninsula highways 
- UFO Conference - 2005
- Franz, Capt. Alejandro (2012-01-28). "Mexican Air Force FLIR's video lights are not UFO's they are oil well gas flames Part II". Retrieved 2012-01-28
- Smith, James C. (2004-07-24). "The Mexican Air Force UFO Affair: Aliens, Ball Lightning, or Flares?". Archived from the original on 4 July 2008. Retrieved 2008-08-02
- Franz, Capt. Alejandro (2012-01-28). "UFO's or simply Oil Well Gas Flames? Part I". Retrieved 2012-01-28
- "Mexico pilots release 'UFO film'". BBC News. 2004-05-12. Archived from the original on 15 May 2007. Retrieved 2007-04-17.
- "Expert: Mexico UFOs May Have Been Gas". Fox News. 2004-05-17. Archived from the original on 23 May 2007. Retrieved 2007-04-17.
- "Mexican Air Force pilots film unidentified flying objects". Sign On San Diego. 2004-05-11. Retrieved 2007-04-17.
- "Mexican Air Force Shoots UFO". BakuToday. 2004-07-12. Retrieved 2007-04-17.
- Detailed report of incident
- The Mexican Air Force UFO Affair: Aliens, Ball Lightning, or Flares? by James C. Smith
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