Narrative:

My copilot was taxiing to runway 33. We had just stopped to pick up a dog for our passenger; having landed on runway 33 and taxied to ramp. On taxi out; we both had our efb's (11 1/2 inch by 8 inch by 2 inch; approximately 4 pounds) on the det airport diagram. I had reminded him of the route. It's simple but like most airports not well marked. He became disoriented when crossing runway 25/7 so I told him to stop; he did so on the runway! I told him to please continue; never stop on a runway. He's a bit inexperienced; charges without thinking; and this was our first trip (2ND day) together. I could not read my efb for the location so reached for it. He started to taxi and before I could get back in the loop had turned the corner and passed the hold line for runway 33. I asked why he continued and he said he didn't see a hold line! Tower called and said we passed the hold line but thankfully no traffic! Our efb's are large; heavy and difficult to read in certain light. When you use them you become a computer operator and it takes most of your attention; especially if you must hold them (they are not mounted). Great boxes for information but very impractical in a small cpr cockpit. Remedy is more monitoring of inexperienced coplts; hard copy of difficult airports.

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Original NASA ASRS Text

Title: FLT CREW OF A P180 EXPERIENCE RWY INCURSION WHILE TAXIING. RPTR CITES INEXPERIENCED COPLT AND THE EFB'S AS A DISTR.

Narrative: MY COPLT WAS TAXIING TO RWY 33. WE HAD JUST STOPPED TO PICK UP A DOG FOR OUR PAX; HAVING LANDED ON RWY 33 AND TAXIED TO RAMP. ON TAXI OUT; WE BOTH HAD OUR EFB'S (11 1/2 INCH BY 8 INCH BY 2 INCH; APPROX 4 LBS) ON THE DET ARPT DIAGRAM. I HAD REMINDED HIM OF THE RTE. IT'S SIMPLE BUT LIKE MOST ARPTS NOT WELL MARKED. HE BECAME DISORIENTED WHEN XING RWY 25/7 SO I TOLD HIM TO STOP; HE DID SO ON THE RWY! I TOLD HIM TO PLEASE CONTINUE; NEVER STOP ON A RWY. HE'S A BIT INEXPERIENCED; CHARGES WITHOUT THINKING; AND THIS WAS OUR FIRST TRIP (2ND DAY) TOGETHER. I COULD NOT READ MY EFB FOR THE LOCATION SO REACHED FOR IT. HE STARTED TO TAXI AND BEFORE I COULD GET BACK IN THE LOOP HAD TURNED THE CORNER AND PASSED THE HOLD LINE FOR RWY 33. I ASKED WHY HE CONTINUED AND HE SAID HE DIDN'T SEE A HOLD LINE! TWR CALLED AND SAID WE PASSED THE HOLD LINE BUT THANKFULLY NO TFC! OUR EFB'S ARE LARGE; HVY AND DIFFICULT TO READ IN CERTAIN LIGHT. WHEN YOU USE THEM YOU BECOME A COMPUTER OPERATOR AND IT TAKES MOST OF YOUR ATTN; ESPECIALLY IF YOU MUST HOLD THEM (THEY ARE NOT MOUNTED). GREAT BOXES FOR INFO BUT VERY IMPRACTICAL IN A SMALL CPR COCKPIT. REMEDY IS MORE MONITORING OF INEXPERIENCED COPLTS; HARD COPY OF DIFFICULT ARPTS.

Data retrieved from NASA's ASRS site as of January 2009 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.