Narrative:

I am a flight instructor at a busy flight school at birmingham international. One morning, my student and I were preparing for departure for a local IFR training flight. From the beginning, we were rushed: swapping airplanes after finding problems and trying to complete the flight in time for my student to get to work, etc. We were cleared to taxi to runway 24 at taxiway G and we held short for our run-up and pre takeoff checks. The student was taking a long time to accomplish the checklist and we had another aircraft waiting. Tower asked us how long we'd be. We said we were ready. We were cleared into position and hold, which we did. My student thought he had a malfunction with the door lock, but it was working properly. The other aircraft taxied into position behind us. I heard tower talking to an aircraft on final for our runway and checked with tower whether or not we were cleared to go. At that moment, the radio on the aircraft failed. I was troubleshooting the radio when I heard,

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Original NASA ASRS Text

Title: A C-172 CFI, STRUGGLING WITH A STRING OF ACFT PROBS, DEPARTED FROM BHM WITHOUT CLRNC.

Narrative: I AM A FLT INSTRUCTOR AT A BUSY FLT SCHOOL AT BIRMINGHAM INTL. ONE MORNING, MY STUDENT AND I WERE PREPARING FOR DEP FOR A LOCAL IFR TRAINING FLT. FROM THE BEGINNING, WE WERE RUSHED: SWAPPING AIRPLANES AFTER FINDING PROBS AND TRYING TO COMPLETE THE FLT IN TIME FOR MY STUDENT TO GET TO WORK, ETC. WE WERE CLRED TO TAXI TO RWY 24 AT TXWY G AND WE HELD SHORT FOR OUR RUN-UP AND PRE TKOF CHKS. THE STUDENT WAS TAKING A LONG TIME TO ACCOMPLISH THE CHKLIST AND WE HAD ANOTHER ACFT WAITING. TWR ASKED US HOW LONG WE'D BE. WE SAID WE WERE READY. WE WERE CLRED INTO POS AND HOLD, WHICH WE DID. MY STUDENT THOUGHT HE HAD A MALFUNCTION WITH THE DOOR LOCK, BUT IT WAS WORKING PROPERLY. THE OTHER ACFT TAXIED INTO POS BEHIND US. I HEARD TWR TALKING TO AN ACFT ON FINAL FOR OUR RWY AND CHKED WITH TWR WHETHER OR NOT WE WERE CLRED TO GO. AT THAT MOMENT, THE RADIO ON THE ACFT FAILED. I WAS TROUBLESHOOTING THE RADIO WHEN I HEARD,

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.