Narrative:

Pre takeoff class 'C' airspace transponder code was requested and received and approach control frequency was given by chino tower. After eastbound takeoff, a right turn direct to paradise VOR was initiated with intention to implement communication with approach control prior to penetrating 2700 ft MSL floor of class 'C' airspace. Student had been instructed that the flight was going to proceed under simulated instrument (hooded) conditions to the lake mathews practice area at 5500 ft. Approach control was very busy due to combination of air carrier aircraft departing ont, aircraft transitting the class 'C' airspace, and a significant number of aircraft performing practice instrument approachs to runway 26 at chino due to the santa ana wind conditions, the flight was experiencing significant turbulence. Due to the continuous communication load condition approach was experiencing, I was unable to establish timely communication with ATC. Additionally, I was pre-occupied with looking for potential traffic conflicts resulting from the on going practice instrument approachs/missed approachs to runway 26 chino and our departure from runway 8 chino. As a result of turbulence, inability to establish communications with ATC in a timely fashion and concern with conflicting traffic, I failed to properly monitor student's climb out and we penetrated the class 'C' airspace's 2700 ft floor and were at 3000 ft before I noticed the altitude incursion and started descent back to 2700 ft. I also established communication with ATC about the same time. In the future, I will be less polite and, if necessary, blurt out my presence to ATC at the risk of 'stepping on' someone else's transmission.

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Original NASA ASRS Text

Title: UNAUTH PENETRATION OF CLASS 'C' AIRSPACE.

Narrative: PRE TKOF CLASS 'C' AIRSPACE XPONDER CODE WAS REQUESTED AND RECEIVED AND APCH CTL FREQ WAS GIVEN BY CHINO TWR. AFTER EBOUND TKOF, A R TURN DIRECT TO PARADISE VOR WAS INITIATED WITH INTENTION TO IMPLEMENT COM WITH APCH CTL PRIOR TO PENETRATING 2700 FT MSL FLOOR OF CLASS 'C' AIRSPACE. STUDENT HAD BEEN INSTRUCTED THAT THE FLT WAS GOING TO PROCEED UNDER SIMULATED INST (HOODED) CONDITIONS TO THE LAKE MATHEWS PRACTICE AREA AT 5500 FT. APCH CTL WAS VERY BUSY DUE TO COMBINATION OF ACR ACFT DEPARTING ONT, ACFT TRANSITTING THE CLASS 'C' AIRSPACE, AND A SIGNIFICANT NUMBER OF ACFT PERFORMING PRACTICE INST APCHS TO RWY 26 AT CHINO DUE TO THE SANTA ANA WIND CONDITIONS, THE FLT WAS EXPERIENCING SIGNIFICANT TURB. DUE TO THE CONTINUOUS COM LOAD CONDITION APCH WAS EXPERIENCING, I WAS UNABLE TO ESTABLISH TIMELY COM WITH ATC. ADDITIONALLY, I WAS PRE-OCCUPIED WITH LOOKING FOR POTENTIAL TFC CONFLICTS RESULTING FROM THE ON GOING PRACTICE INST APCHS/MISSED APCHS TO RWY 26 CHINO AND OUR DEP FROM RWY 8 CHINO. AS A RESULT OF TURB, INABILITY TO ESTABLISH COMS WITH ATC IN A TIMELY FASHION AND CONCERN WITH CONFLICTING TFC, I FAILED TO PROPERLY MONITOR STUDENT'S CLBOUT AND WE PENETRATED THE CLASS 'C' AIRSPACE'S 2700 FT FLOOR AND WERE AT 3000 FT BEFORE I NOTICED THE ALT INCURSION AND STARTED DSCNT BACK TO 2700 FT. I ALSO ESTABLISHED COM WITH ATC ABOUT THE SAME TIME. IN THE FUTURE, I WILL BE LESS POLITE AND, IF NECESSARY, BLURT OUT MY PRESENCE TO ATC AT THE RISK OF 'STEPPING ON' SOMEONE ELSE'S XMISSION.

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.