PENETRATION MEXICAN AIRSPACE AND ADIZ WITHOUT FLT PLAN.

Narrative

THIS WAS A MAINT CHK FLT; FOR A MAINT COMPANY; AFTER ENG MAINT. BECAUSE OF CLOUDS IN THE AREA DEP WAS IFR TO VFR CONDITIONS. AFTER CANCELLING IFR I REQUESTED AND RECEIVED TCA CLRNC. AFTER A NUMBER OF HDG CHANGES AND ALT LIMITS; FROM SAN APCH; AND WHILE ON A HDG OF 160 DEG AND CLBING TO MY REQUESTED ALT OF 15500 FT; APCH ADVISED I WAS CLR OF THE TCA; SQUAWK 1200 FREQ CHANGE APPROVED. AT THIS TIME I TURNED FST TO 090 DEG (WHICH SHOULD HAVE BEEN 060 DEG) TO AVOID MEXICO AND CONTINUED MY CLB TO 15500 FT. AFTER A TIME AT 15500 FT THE MECH REQUESTED I CLB TO 17500 FT; WHICH I DID. I ALSO CONTACTED LA CENTER ADVISED OF MY POS AND INTENTIONS AND REQUESTED ADVISORIES. I WAS GIVEN A TRANSPONDER CODE AND IDENTED. I WAS MANEUVERING TO AVOID CLOUDS WHEN I NOTICED THAT I'D MISTAKENLY FLOWN INTO MEXICO. I TURNED N TO LEAVE MEXICO. LA CENTER ASKED IF I WAS TURNING TO MYF; I SAID NO WE HAD MORE WORK TO DO. WHEN WE FINISHED I ADVISED CENTER WE WERE DSNDING AND RETURNING TO MYF. THEY ACKNOWLEDGED THEN HANDED US OFF TO SAN APCH. WE COMPLETED THE ILS AND LANDED. AFTER SHUTDOWN WE WERE MET BY A CUSTOMS TEAM ABOUT OUR XING THE BORDER WITHOUT A FLT PLAN AND ADIZ PENETRATION WITHOUT NOTIFICATION. WHEN RELEASED BY SAN APCH I TURNED E BUT NOT FAR ENOUGH TO KEEP CLR OF MEXICO. I GOT MY PRIORITIES MIXED UP IN THAT I ALLOWED THE MAINT CHK TO INTERFERE WITH NAV. ALTHOUGH I PUT MYSELF IN THE WRONG PLACE I DON'T RECALL LA CENTER EVER QUESTIONING MY POS IN MEXICO.