Narrative:

While taxiing to a parking spot after landing, I taxied too close to a parked helicopter. My blade tip just touched the blade tip of the parked helicopter.

Google
 

Original NASA ASRS Text

Title: CPR HELICOPTER ROTOR BLADES HIT BLADES OF PARKED HELICOPTER WHILE TAXIING TO PARKING ON WALL STREET HELIPORT.

Narrative: WHILE TAXIING TO A PARKING SPOT AFTER LNDG, I TAXIED TOO CLOSE TO A PARKED HELI. MY BLADE TIP JUST TOUCHED THE BLADE TIP OF THE PARKED HELI.

Data retrieved from NASA's ASRS site as of August 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.