Narrative:

I was taxiing a C206H at ZZZ. I was on a law enforcement mission and was accompanied by an observer/camera operator who was sitting in the rear of aircraft. Our mission was to conduct aerial surveillance in conjunction with several ground units. Prior to our departure, the ground units had called several times requesting our ETA and to expedite our arrival on station. After engine start at ramp, I requested clearance and taxi instructions through ZZZ ground. I was instructed to taxi to runway 18R via taxiway B, hold short of runway 36L and runway 9. I understood and read back my clearance and proceeded to taxi. I was then cleared to cross runway 36L and hold short at runway 9. I again understood and read back my clearance. After crossing runway 36L and turning on taxiway B, our ground units again requested our ETA and were advising us of the status of the surveillance. At this point I remember turning around and instructing the observer to inform them we were on our way. It was at this time I realized I was crossing runway 9 and I saw a single engine cessna conducting a go around and passing several hundred ft above my aircraft. I have been operating at ZZZ approximately 7 yrs and am very familiar with the runways, txwys, hold short lines and with ground and tower instructions. I feel ZZZ ground's instructions were very clear and concise. My experience with ATC at ZZZ airport as well as ZZZ approach has always been very positive and their professionalism, proficiency and courteousness has always been greatly appreciated. I have approximately 4000 hours flight time in helicopters, single and multi-engine airplanes. I have been very fortunate to have never been involved in any type incident. In fact, I think this is the first time I have actually crossed a runway (active or inactive) without looking both ways. I am convinced that this incident was caused by me allowing distrs with the mission to enter the cockpit. This has been a lesson learned for me. Never allow mission accomplishment to rush an distract you while taxiing or flying, no matter how routine this task can be thought to be. Additionally my focus cannot be allowed to be diverted to anything but the safe operation of the aircraft I am operating.

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Original NASA ASRS Text

Title: GND CONFLICT OCCURS DURING A RWY INCURSION BY A TAXIING C206H LAW ENFORCEMENT ACFT MAINTAINING COM WITH THEIR GND UNIT AT A SURVEILLANCE SITE NEAR ARPT.

Narrative: I WAS TAXIING A C206H AT ZZZ. I WAS ON A LAW ENFORCEMENT MISSION AND WAS ACCOMPANIED BY AN OBSERVER/CAMERA OPERATOR WHO WAS SITTING IN THE REAR OF ACFT. OUR MISSION WAS TO CONDUCT AERIAL SURVEILLANCE IN CONJUNCTION WITH SEVERAL GND UNITS. PRIOR TO OUR DEP, THE GND UNITS HAD CALLED SEVERAL TIMES REQUESTING OUR ETA AND TO EXPEDITE OUR ARR ON STATION. AFTER ENG START AT RAMP, I REQUESTED CLRNC AND TAXI INSTRUCTIONS THROUGH ZZZ GND. I WAS INSTRUCTED TO TAXI TO RWY 18R VIA TXWY B, HOLD SHORT OF RWY 36L AND RWY 9. I UNDERSTOOD AND READ BACK MY CLRNC AND PROCEEDED TO TAXI. I WAS THEN CLRED TO CROSS RWY 36L AND HOLD SHORT AT RWY 9. I AGAIN UNDERSTOOD AND READ BACK MY CLRNC. AFTER XING RWY 36L AND TURNING ON TXWY B, OUR GND UNITS AGAIN REQUESTED OUR ETA AND WERE ADVISING US OF THE STATUS OF THE SURVEILLANCE. AT THIS POINT I REMEMBER TURNING AROUND AND INSTRUCTING THE OBSERVER TO INFORM THEM WE WERE ON OUR WAY. IT WAS AT THIS TIME I REALIZED I WAS XING RWY 9 AND I SAW A SINGLE ENG CESSNA CONDUCTING A GAR AND PASSING SEVERAL HUNDRED FT ABOVE MY ACFT. I HAVE BEEN OPERATING AT ZZZ APPROX 7 YRS AND AM VERY FAMILIAR WITH THE RWYS, TXWYS, HOLD SHORT LINES AND WITH GND AND TWR INSTRUCTIONS. I FEEL ZZZ GND'S INSTRUCTIONS WERE VERY CLR AND CONCISE. MY EXPERIENCE WITH ATC AT ZZZ ARPT AS WELL AS ZZZ APCH HAS ALWAYS BEEN VERY POSITIVE AND THEIR PROFESSIONALISM, PROFICIENCY AND COURTEOUSNESS HAS ALWAYS BEEN GREATLY APPRECIATED. I HAVE APPROX 4000 HRS FLT TIME IN HELIS, SINGLE AND MULTI-ENG AIRPLANES. I HAVE BEEN VERY FORTUNATE TO HAVE NEVER BEEN INVOLVED IN ANY TYPE INCIDENT. IN FACT, I THINK THIS IS THE FIRST TIME I HAVE ACTUALLY CROSSED A RWY (ACTIVE OR INACTIVE) WITHOUT LOOKING BOTH WAYS. I AM CONVINCED THAT THIS INCIDENT WAS CAUSED BY ME ALLOWING DISTRS WITH THE MISSION TO ENTER THE COCKPIT. THIS HAS BEEN A LESSON LEARNED FOR ME. NEVER ALLOW MISSION ACCOMPLISHMENT TO RUSH AN DISTRACT YOU WHILE TAXIING OR FLYING, NO MATTER HOW ROUTINE THIS TASK CAN BE THOUGHT TO BE. ADDITIONALLY MY FOCUS CANNOT BE ALLOWED TO BE DIVERTED TO ANYTHING BUT THE SAFE OP OF THE ACFT I AM OPERATING.

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.