Narrative:

IFR flight plan from ont to lrd. Flight plan route to this flight took us into mexican airspace. Upon arrival into the airspace, the crew discovered the portion with 1 sector was missing and/or misplaced, so the crew asked to be re- rted back into united states airspace. Due to the lack of charts for the original flight plan route and request for re- route, I feel it necessary to file a NASA form at this time. Supplemental information from acn 422660: while en route to lrd we discovered that the mexico charts were misplaced and had to ask for a re-route. Coordinated a re-route with matzatlan center and received clearance. Incident was due to inability to accept original clearance through mexican airspace.

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Original NASA ASRS Text

Title: DC8 FLC EXIT UNITED STATES AIRSPACE INTO MMZT AIRSPACE WITHOUT PROPER FLT PLANNING. MMZT COORD RETURN TO INTENDED UNITED STATES RTE STRUCTURE.

Narrative: IFR FLT PLAN FROM ONT TO LRD. FLT PLAN RTE TO THIS FLT TOOK US INTO MEXICAN AIRSPACE. UPON ARR INTO THE AIRSPACE, THE CREW DISCOVERED THE PORTION WITH 1 SECTOR WAS MISSING AND/OR MISPLACED, SO THE CREW ASKED TO BE RE- RTED BACK INTO UNITED STATES AIRSPACE. DUE TO THE LACK OF CHARTS FOR THE ORIGINAL FLT PLAN RTE AND REQUEST FOR RE- RTE, I FEEL IT NECESSARY TO FILE A NASA FORM AT THIS TIME. SUPPLEMENTAL INFO FROM ACN 422660: WHILE ENRTE TO LRD WE DISCOVERED THAT THE MEXICO CHARTS WERE MISPLACED AND HAD TO ASK FOR A RE-RTE. COORDINATED A RE-RTE WITH MATZATLAN CTR AND RECEIVED CLRNC. INCIDENT WAS DUE TO INABILITY TO ACCEPT ORIGINAL CLRNC THROUGH MEXICAN AIRSPACE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.