Narrative:

While taxiing out of my gate, my left wingtip struck another wingtip of another ATR72 aircraft. I observed company ground personnel at my left wingtip. As I looked forward, my lead ramper was waving me straight ahead. As I got clearance from ramp tower to the south left side out, I released brakes and taxied forward. I then ordered my first officer 'flaps 15 degrees.' as I looked left, I felt fine that I had adequate spacing from my angle. I looked forward to the lead marshaller as I followed company SOP's and procedures. A bump was felt and I immediately stopped the aircraft. I thought maybe I ran over a chock, but company safety personnel were at the aircraft. I taxied back to gate, secured the aircraft, and went outside to check what had happened. I feel that if there were qualified ground personnel or wing walkers it would have helped. Also, if there were good ground markings for parkers to follow would have aided. More ramp space at the airport also would have helped. And as always, a constant vigilance by all capts is a must for situational awareness. Supplemental information from acn 505248: ramper in front of our aircraft waving us forward. After bump was felt, he then motioned for us to stop. Found we had scraped wingtips with other aircraft. Nose ramper thought other ramper was watching wingtip. Captain thought both rampers were in place.

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Original NASA ASRS Text

Title: 2 WINGTIPS COME TOGETHER DURING INITIAL TAXI OUT OF THE GATE UNDER THE GUIDANCE OF GND MARSHALLER AND OBSERVATION BY A WING OBSERVER.

Narrative: WHILE TAXIING OUT OF MY GATE, MY L WINGTIP STRUCK ANOTHER WINGTIP OF ANOTHER ATR72 ACFT. I OBSERVED CGP AT MY L WINGTIP. AS I LOOKED FORWARD, MY LEAD RAMPER WAS WAVING ME STRAIGHT AHEAD. AS I GOT CLRNC FROM RAMP TWR TO THE S L SIDE OUT, I RELEASED BRAKES AND TAXIED FORWARD. I THEN ORDERED MY FO 'FLAPS 15 DEGS.' AS I LOOKED L, I FELT FINE THAT I HAD ADEQUATE SPACING FROM MY ANGLE. I LOOKED FORWARD TO THE LEAD MARSHALLER AS I FOLLOWED COMPANY SOP'S AND PROCS. A BUMP WAS FELT AND I IMMEDIATELY STOPPED THE ACFT. I THOUGHT MAYBE I RAN OVER A CHOCK, BUT COMPANY SAFETY PERSONNEL WERE AT THE ACFT. I TAXIED BACK TO GATE, SECURED THE ACFT, AND WENT OUTSIDE TO CHK WHAT HAD HAPPENED. I FEEL THAT IF THERE WERE QUALIFIED GND PERSONNEL OR WING WALKERS IT WOULD HAVE HELPED. ALSO, IF THERE WERE GOOD GND MARKINGS FOR PARKERS TO FOLLOW WOULD HAVE AIDED. MORE RAMP SPACE AT THE ARPT ALSO WOULD HAVE HELPED. AND AS ALWAYS, A CONSTANT VIGILANCE BY ALL CAPTS IS A MUST FOR SITUATIONAL AWARENESS. SUPPLEMENTAL INFO FROM ACN 505248: RAMPER IN FRONT OF OUR ACFT WAVING US FORWARD. AFTER BUMP WAS FELT, HE THEN MOTIONED FOR US TO STOP. FOUND WE HAD SCRAPED WINGTIPS WITH OTHER ACFT. NOSE RAMPER THOUGHT OTHER RAMPER WAS WATCHING WINGTIP. CAPT THOUGHT BOTH RAMPERS WERE IN PLACE.

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.