Narrative:

How problem arose. Taxi clearance given to runway 9L via golf, echo, kilo. Turning from echo to kilo I noted the direction arrow and followed the yellow taxi line to complete the turn. In the rain I did not notice other lines. When lining up with taxiway kilo I noted a large 2 engine boeing taxi toward me and a dash 8 holding to my left. I determined that the boeing would be turned into the ramp before I reached the area and the dash 8 was waiting to back taxi behind me. I was considering querying the status with ground control but before I could I noted that the boeing was accelerating and not turning. I took evasive action by moving to the right. The boeing rotated in front of my position and was airborne abeam of me. It appeared that the boeing took evasive action by raising its left wing. Contributing factors: I had declined a shorter taxi to runway 17 as it would have given me a quartering tailwind. There was water on the ground and poor lighting. This affected the visibility of painted lines on concrete. A transverse or oblique line is not as easily seen. This affected my view of the txwys and had me following the line on to kilo 2. When taking off a short while later I could see that the yellow line along kilo 2 was darker, possibly having been repainted. The hold short line was not seen due to the rain. Preoccupation with the boeing and dash 8 kept me from observing the runway environment. The ground controller was not monitoring my progress and also not noticed my intrusion on to the runway. Human performance considerations. Poor lighting with rain and ground water affected visibility of the taxiway lines and perspective of the runway taxiway environment. The turn from echo to kilo 2 is only 30 degrees less than kilo and gives the impression of a right angle turn. Progressive taxi instructions would have helped the situation. A different line denoting transitions from taxiway to runway way also assist pilots when making this transition, such as an alternating yellow and white line. With reflective paint, may also be more easily noted at night. Callback conversation with reporter revealed the following information: reporter states that he was requested to call the tower when he reached his destination. He spoke to the tower supervisor who was concerned about the lack of visibility of the taxiway marking and did indicate that is a confusing area when rain and dim lighting exists. Reporter did not see any hold lines and could not differentiate between the yellow lines and any other markings. The rain obscured them. He was actually on the runway with the boeing aircraft taking off over him. He had moved to the side of the runway when he realized the situation. Local controller came on frequency immediately and reporter stated he realized where he was and was in the process of taxiing off the runway. Tower questioned if reporter was ok physically and emotionally and remained very calm which helped the reporter. Reporter was in sat later and noted they had painted a black line on either side of the yellow markings which made them much more visible when painted on cement. The hotline was recommended so he could voice his suggestions in that fashion as well.

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Original NASA ASRS Text

Title: PLT OF C210 HAS DIFFICULTY DURING TAXI SIGHTING THE TXWY MARKINGS DUE TO RAIN AND RESULTING LOW VISIBILITY. HE TAXIES ONTO AN ACTIVE RWY AND HAS A CONFLICT WITH DEPARTING JET ACFT.

Narrative: HOW PROBLEM AROSE. TAXI CLRNC GIVEN TO RWY 9L VIA GOLF, ECHO, KILO. TURNING FROM ECHO TO KILO I NOTED THE DIRECTION ARROW AND FOLLOWED THE YELLOW TAXI LINE TO COMPLETE THE TURN. IN THE RAIN I DID NOT NOTICE OTHER LINES. WHEN LINING UP WITH TXWY KILO I NOTED A LARGE 2 ENG BOEING TAXI TOWARD ME AND A DASH 8 HOLDING TO MY L. I DETERMINED THAT THE BOEING WOULD BE TURNED INTO THE RAMP BEFORE I REACHED THE AREA AND THE DASH 8 WAS WAITING TO BACK TAXI BEHIND ME. I WAS CONSIDERING QUERYING THE STATUS WITH GND CTL BUT BEFORE I COULD I NOTED THAT THE BOEING WAS ACCELERATING AND NOT TURNING. I TOOK EVASIVE ACTION BY MOVING TO THE R. THE BOEING ROTATED IN FRONT OF MY POSITION AND WAS AIRBORNE ABEAM OF ME. IT APPEARED THAT THE BOEING TOOK EVASIVE ACTION BY RAISING ITS L WING. CONTRIBUTING FACTORS: I HAD DECLINED A SHORTER TAXI TO RWY 17 AS IT WOULD HAVE GIVEN ME A QUARTERING TAILWIND. THERE WAS WATER ON THE GND AND POOR LIGHTING. THIS AFFECTED THE VISIBILITY OF PAINTED LINES ON CONCRETE. A TRANSVERSE OR OBLIQUE LINE IS NOT AS EASILY SEEN. THIS AFFECTED MY VIEW OF THE TXWYS AND HAD ME FOLLOWING THE LINE ON TO KILO 2. WHEN TAKING OFF A SHORT WHILE LATER I COULD SEE THAT THE YELLOW LINE ALONG KILO 2 WAS DARKER, POSSIBLY HAVING BEEN REPAINTED. THE HOLD SHORT LINE WAS NOT SEEN DUE TO THE RAIN. PREOCCUPATION WITH THE BOEING AND DASH 8 KEPT ME FROM OBSERVING THE RWY ENVIRONMENT. THE GND CTLR WAS NOT MONITORING MY PROGRESS AND ALSO NOT NOTICED MY INTRUSION ON TO THE RWY. HUMAN PERFORMANCE CONSIDERATIONS. POOR LIGHTING WITH RAIN AND GND WATER AFFECTED VISIBILITY OF THE TXWY LINES AND PERSPECTIVE OF THE RWY TXWY ENVIRONMENT. THE TURN FROM ECHO TO KILO 2 IS ONLY 30 DEGS LESS THAN KILO AND GIVES THE IMPRESSION OF A R ANGLE TURN. PROGRESSIVE TAXI INSTRUCTIONS WOULD HAVE HELPED THE SIT. A DIFFERENT LINE DENOTING TRANSITIONS FROM TXWY TO RWY WAY ALSO ASSIST PLTS WHEN MAKING THIS TRANSITION, SUCH AS AN ALTERNATING YELLOW AND WHITE LINE. WITH REFLECTIVE PAINT, MAY ALSO BE MORE EASILY NOTED AT NIGHT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES THAT HE WAS REQUESTED TO CALL THE TWR WHEN HE REACHED HIS DESTINATION. HE SPOKE TO THE TWR SUPVR WHO WAS CONCERNED ABOUT THE LACK OF VISIBILITY OF THE TXWY MARKING AND DID INDICATE THAT IS A CONFUSING AREA WHEN RAIN AND DIM LIGHTING EXISTS. RPTR DID NOT SEE ANY HOLD LINES AND COULD NOT DIFFERENTIATE BETWEEN THE YELLOW LINES AND ANY OTHER MARKINGS. THE RAIN OBSCURED THEM. HE WAS ACTUALLY ON THE RWY WITH THE BOEING ACFT TAKING OFF OVER HIM. HE HAD MOVED TO THE SIDE OF THE RWY WHEN HE REALIZED THE SIT. LCL CTLR CAME ON FREQ IMMEDIATELY AND RPTR STATED HE REALIZED WHERE HE WAS AND WAS IN THE PROCESS OF TAXIING OFF THE RWY. TWR QUESTIONED IF RPTR WAS OK PHYSICALLY AND EMOTIONALLY AND REMAINED VERY CALM WHICH HELPED THE RPTR. RPTR WAS IN SAT LATER AND NOTED THEY HAD PAINTED A BLACK LINE ON EITHER SIDE OF THE YELLOW MARKINGS WHICH MADE THEM MUCH MORE VISIBLE WHEN PAINTED ON CEMENT. THE HOTLINE WAS RECOMMENDED SO HE COULD VOICE HIS SUGGESTIONS IN THAT FASHION AS WELL.

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.