Narrative:

Student and I climbing out of nashua, nh. On training flight to concord, nh. Had VFR squawk to concord through manchester planned at 3000 ft. Student overwhelmed with radio congestion with manchester and could not establish 2-WAY radio at time. I did not notice altitude until we were 400 ft into class C airspace of manchester. Pushed nose over to exit airspace until radio contact was established. Manchester approach did not say anything to us about the incident.

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Original NASA ASRS Text

Title: CLASS C AIRSPACE PENETRATION BY FLT INSTRUCTOR AND STUDENT.

Narrative: STUDENT AND I CLBING OUT OF NASHUA, NH. ON TRAINING FLT TO CONCORD, NH. HAD VFR SQUAWK TO CONCORD THROUGH MANCHESTER PLANNED AT 3000 FT. STUDENT OVERWHELMED WITH RADIO CONGESTION WITH MANCHESTER AND COULD NOT ESTABLISH 2-WAY RADIO AT TIME. I DID NOT NOTICE ALT UNTIL WE WERE 400 FT INTO CLASS C AIRSPACE OF MANCHESTER. PUSHED NOSE OVER TO EXIT AIRSPACE UNTIL RADIO CONTACT WAS ESTABLISHED. MANCHESTER APCH DID NOT SAY ANYTHING TO US ABOUT THE INCIDENT.

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.