Narrative:

A part 133 external load operation was completed in detroit and a x-country ferry flight was begun to cary, nc. We contacted detroit city tower, who handed us off to windsor tower. We were cleared of their airspace and frequency changed approved. At this time we contacted FSS for winds aloft, and WX en route and near our destination. We were heading directly into the sun and there was a huge reflection on lake erie. This was enhanced by a mildly dirty wind screen, and not having sunglasses on. While passing through 4500' MSL en route to 9500' MSL, a commuter aircraft appeared at our 1 O'clock and was spotted by our crew chief in the jump seat. It passed right to left slightly above and 400' away. WX was cavu. Transponder was on 1200 with encoder. No evasive action was taken by either aircraft. I feel an onboard traffic alert system would have been helpful to avoid this type of situation.

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Original NASA ASRS Text

Title: LARGE CRANE HELICOPTER HAS NMAC WITH COMMUTER ACFT.

Narrative: A PART 133 EXTERNAL LOAD OPERATION WAS COMPLETED IN DETROIT AND A X-COUNTRY FERRY FLT WAS BEGUN TO CARY, NC. WE CONTACTED DETROIT CITY TWR, WHO HANDED US OFF TO WINDSOR TWR. WE WERE CLRED OF THEIR AIRSPACE AND FREQ CHANGED APPROVED. AT THIS TIME WE CONTACTED FSS FOR WINDS ALOFT, AND WX ENRTE AND NEAR OUR DEST. WE WERE HDG DIRECTLY INTO THE SUN AND THERE WAS A HUGE REFLECTION ON LAKE ERIE. THIS WAS ENHANCED BY A MILDLY DIRTY WIND SCREEN, AND NOT HAVING SUNGLASSES ON. WHILE PASSING THROUGH 4500' MSL ENRTE TO 9500' MSL, A COMMUTER ACFT APPEARED AT OUR 1 O'CLOCK AND WAS SPOTTED BY OUR CREW CHIEF IN THE JUMP SEAT. IT PASSED RIGHT TO LEFT SLIGHTLY ABOVE AND 400' AWAY. WX WAS CAVU. XPONDER WAS ON 1200 WITH ENCODER. NO EVASIVE ACTION WAS TAKEN BY EITHER ACFT. I FEEL AN ONBOARD TFC ALERT SYS WOULD HAVE BEEN HELPFUL TO AVOID THIS TYPE OF SITUATION.

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.