Narrative:

Pushing back; hooked up to tug; off gate; approximately 1/3 of the way through pushback the aircraft made a shudder and came to an unusual stop. I immediately asked the tug driver if everything was ok. He replied his wing walker let him hit a B757 tail. We set the parking brake and secured the aircraft. [This gate] is extremely tight to operate in. Extreme caution needs to be used in and out.the flight was an empty ferry flight. The aircraft had less than normal fuel; no bags or passengers and new sharklet wings. This makes for a very high wing tip off the ground. Also; the red eye flight landing that morning; departing that same night; only allows for 4-5 hours of circadian sleep. While able to operate per the 117 rules; lack of sleep does not allow for 110% clear focus. This type of pairing should be reviewed.

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Original NASA ASRS Text

Title: An A320 was being pushed at dusk in a confined area when one of its Sharklet wingtips hit a B757 tail because the wing walker did not warn of the collision and also the new wingtips are very high off the ground.

Narrative: Pushing back; hooked up to tug; off gate; approximately 1/3 of the way through pushback the aircraft made a shudder and came to an unusual stop. I immediately asked the tug driver if everything was ok. He replied his wing walker let him hit a B757 tail. We set the parking brake and secured the aircraft. [This Gate] is extremely tight to operate in. Extreme caution needs to be used in and out.The flight was an empty ferry flight. The aircraft had less than normal fuel; no bags or passengers and new Sharklet wings. This makes for a very high wing tip off the ground. Also; the Red eye flight landing that morning; departing that same night; only allows for 4-5 hours of circadian sleep. While able to operate per the 117 rules; lack of sleep does not allow for 110% clear focus. This type of pairing should be reviewed.

Data retrieved from NASA's ASRS site 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.