Narrative:

My captain and I flew an uneventful pre-dawn flight from albany, ny, to bos, ma. The WX conditions were near minimums. I recall visibility being between RVR 2000 ft and 3000 ft with a ceiling of 100 ft. My captain was the PF. We flew the ILS runway 4R approach and were stabilized, nothing was abnormal. Upon touchdown, we slowed to taxi speed. Bos tower said that the high speed taxiway Y is available or runway 33L. I asked my captain what he'd like to do. He said we'll take runway 33L. By this point, I'd say we were virtually stopped on the runway. I looked to my left and saw runway 33L abeam us to the left. Nothing looked to me like we couldn't make the turn ok. It was still dark with low visibility and mist. I also recall the taxiway and runway lights being very bright with illusions of halos around them. I could not see any pavement to my left because of the darkness. My captain turned the aircraft to the left to exit the runway. When I see we have exited the active runway, I immediately began my after landing checklist, so my eyes were inside the cockpit. While reaching for the flap handle, I heard a noise similar to running over a runway centerline light, followed by a feeling similar to a bump in the road. I immediately looked outside and could only think that we struck a taxiway or runway light with the #2 engine. I immediately notified the captain that I believe we struck a light. He asked if I saw any damage and I said from my view. I couldn't see any damage at all. I also did not see sparks, fire, or smoke. The captain chose to continue the taxi and inspect the aircraft during the postflt inspection. Upon inspection, we found 1 propeller blade with a layer on the tip about 2 1/2 inches gone. 2 other blades appeared to be scratched slightly. No other damage was seen including the fuselage, struts, tires, or engine. The captain immediately notified maintenance and we saw our chief pilot. The bos tower was notified that there may be a light out at the intersection of runway 4R and runway 33L. My captain later told me that he should have taken the high speed taxiway and that in his mind he misjudged the turnoff to runway 33L and didn't turn as sharp and he should have. He said he'd done that procedure many times exiting the runway and today, he may have just misjudged the turn. I believe the main contributing factor was the WX. It was dark, misty and foggy and with the bright lights creating an illusion of a halo, it may have messed with our depth perception. No passenger knew what happened and no injuries occurred. The crew was very professional and immediately notified the proper people as to what happened.

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Original NASA ASRS Text

Title: SAAB 340B CAPT RAN OVER A TXWY LIGHT AFTER LEAVING THE RWY DUE TO DARK MISTY NIGHT AND BRIGHT RAMP LIGHTS THAT DISTORTING THE SIZE AND DISTANCE OF TXWY LIGHTS. THE BLADES OF THE #2 PROP WERE DAMAGED.

Narrative: MY CAPT AND I FLEW AN UNEVENTFUL PRE-DAWN FLT FROM ALBANY, NY, TO BOS, MA. THE WX CONDITIONS WERE NEAR MINIMUMS. I RECALL VISIBILITY BEING BTWN RVR 2000 FT AND 3000 FT WITH A CEILING OF 100 FT. MY CAPT WAS THE PF. WE FLEW THE ILS RWY 4R APCH AND WERE STABILIZED, NOTHING WAS ABNORMAL. UPON TOUCHDOWN, WE SLOWED TO TAXI SPD. BOS TWR SAID THAT THE HIGH SPD TXWY Y IS AVAILABLE OR RWY 33L. I ASKED MY CAPT WHAT HE'D LIKE TO DO. HE SAID WE'LL TAKE RWY 33L. BY THIS POINT, I'D SAY WE WERE VIRTUALLY STOPPED ON THE RWY. I LOOKED TO MY L AND SAW RWY 33L ABEAM US TO THE L. NOTHING LOOKED TO ME LIKE WE COULDN'T MAKE THE TURN OK. IT WAS STILL DARK WITH LOW VISIBILITY AND MIST. I ALSO RECALL THE TXWY AND RWY LIGHTS BEING VERY BRIGHT WITH ILLUSIONS OF HALOS AROUND THEM. I COULD NOT SEE ANY PAVEMENT TO MY L BECAUSE OF THE DARKNESS. MY CAPT TURNED THE ACFT TO THE L TO EXIT THE RWY. WHEN I SEE WE HAVE EXITED THE ACTIVE RWY, I IMMEDIATELY BEGAN MY AFTER LNDG CHKLIST, SO MY EYES WERE INSIDE THE COCKPIT. WHILE REACHING FOR THE FLAP HANDLE, I HEARD A NOISE SIMILAR TO RUNNING OVER A RWY CTRLINE LIGHT, FOLLOWED BY A FEELING SIMILAR TO A BUMP IN THE ROAD. I IMMEDIATELY LOOKED OUTSIDE AND COULD ONLY THINK THAT WE STRUCK A TXWY OR RWY LIGHT WITH THE #2 ENG. I IMMEDIATELY NOTIFIED THE CAPT THAT I BELIEVE WE STRUCK A LIGHT. HE ASKED IF I SAW ANY DAMAGE AND I SAID FROM MY VIEW. I COULDN'T SEE ANY DAMAGE AT ALL. I ALSO DID NOT SEE SPARKS, FIRE, OR SMOKE. THE CAPT CHOSE TO CONTINUE THE TAXI AND INSPECT THE ACFT DURING THE POSTFLT INSPECTION. UPON INSPECTION, WE FOUND 1 PROP BLADE WITH A LAYER ON THE TIP ABOUT 2 1/2 INCHES GONE. 2 OTHER BLADES APPEARED TO BE SCRATCHED SLIGHTLY. NO OTHER DAMAGE WAS SEEN INCLUDING THE FUSELAGE, STRUTS, TIRES, OR ENG. THE CAPT IMMEDIATELY NOTIFIED MAINT AND WE SAW OUR CHIEF PLT. THE BOS TWR WAS NOTIFIED THAT THERE MAY BE A LIGHT OUT AT THE INTXN OF RWY 4R AND RWY 33L. MY CAPT LATER TOLD ME THAT HE SHOULD HAVE TAKEN THE HIGH SPD TXWY AND THAT IN HIS MIND HE MISJUDGED THE TURNOFF TO RWY 33L AND DIDN'T TURN AS SHARP AND HE SHOULD HAVE. HE SAID HE'D DONE THAT PROC MANY TIMES EXITING THE RWY AND TODAY, HE MAY HAVE JUST MISJUDGED THE TURN. I BELIEVE THE MAIN CONTRIBUTING FACTOR WAS THE WX. IT WAS DARK, MISTY AND FOGGY AND WITH THE BRIGHT LIGHTS CREATING AN ILLUSION OF A HALO, IT MAY HAVE MESSED WITH OUR DEPTH PERCEPTION. NO PAX KNEW WHAT HAPPENED AND NO INJURIES OCCURRED. THE CREW WAS VERY PROFESSIONAL AND IMMEDIATELY NOTIFIED THE PROPER PEOPLE AS TO WHAT HAPPENED.

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.