Narrative:

On short final, while conducting a visual approach to runway 5R at cle at the marker, tower asked if we would hold short of runway 28 on landing. The captain advised the first officer (who was flying at the time) that we would have 8400 ft of available runway. I confirmed for the captain that we met appropriate landing data performance. The captain confirmed with tower that we would hold short of runway 28. At approximately 2.5 NM final, tower again asked us to hold short of runway 28 and slow to landing speed. The captain acknowledged this call also. At approximately 1- 1/4 NM final, tower cleared an small transport Y on to runway 5R for takeoff. The captain instructed the first officer to be ready for a go around. At this point, the flaps were still 25 degree. Shortly thereafter (when it became very apparent the small transport Y would not be airborne, the captain directed 'go around'. Tower directed the 'go around' approximately 5 seconds later. The next sequence of events happened nearly simultaneously. The GPWS began to bark about 'flaps too low, etc'. The first officer advanced the thrust levers, called for go around thrust, flaps 25, and set go around pitch attitude. I set the thrust levers and called 'go around thrust set'. At this point, we were about 350 ft climbing and the GPWS I still shouting so loud that communication is difficult, if not impossible, at this point, tower issues us climb out instructions but the captain does not respond because none of us can hear over the GPWS. At this point, there is an medium large transport Z taking off from 28 in front of us and the small transport Y is under us. The captain asks 'what did tower say'. None of us respond as no one could hear over the GPWS. The GPWS is not shouting its whole litany of phrases including 'gear, flaps, terrain, too low, whoop whoop pull up'. Tower again issues us climb out instructions, but we still can't hear over the GPWS. I tell the captain. He said 'climb to 4000 ft'. The captain set 4000 ft in the altitude alert but again did not respond to tones as we still haven't gotten complete instructions. Finally at approximately 1000 ft AGL, the GPWS quits. Tower repeats the climb out instructions for the third time to turn left immediately to 320 degree and climb to 4000 ft. The captain acknowledges the tower and we comply with the directions. The rest of the flight was uneventful and landing was successful. Recommendations: modify the EFIS so the GPWS won't overpwr the crew in critical situations like gars. Maybe tie the GPWS into eprs. Above 1.8 EPR the system will silence.

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Original NASA ASRS Text

Title: CTLR TRIED TO EXPEDITE DEPARTING TFC IN FRONT OF AN ARR WHICH RESULTED IN A GAR.

Narrative: ON SHORT FINAL, WHILE CONDUCTING A VISUAL APCH TO RWY 5R AT CLE AT THE MARKER, TWR ASKED IF WE WOULD HOLD SHORT OF RWY 28 ON LNDG. THE CAPT ADVISED THE FO (WHO WAS FLYING AT THE TIME) THAT WE WOULD HAVE 8400 FT OF AVAILABLE RWY. I CONFIRMED FOR THE CAPT THAT WE MET APPROPRIATE LNDG DATA PERFORMANCE. THE CAPT CONFIRMED WITH TWR THAT WE WOULD HOLD SHORT OF RWY 28. AT APPROX 2.5 NM FINAL, TWR AGAIN ASKED US TO HOLD SHORT OF RWY 28 AND SLOW TO LNDG SPEED. THE CAPT ACKNOWLEDGED THIS CALL ALSO. AT APPROX 1- 1/4 NM FINAL, TWR CLRED AN SMT Y ON TO RWY 5R FOR TKOF. THE CAPT INSTRUCTED THE FO TO BE READY FOR A GAR. AT THIS POINT, THE FLAPS WERE STILL 25 DEG. SHORTLY THEREAFTER (WHEN IT BECAME VERY APPARENT THE SMT Y WOULD NOT BE AIRBORNE, THE CAPT DIRECTED 'GAR'. TWR DIRECTED THE 'GAR' APPROX 5 SECONDS LATER. THE NEXT SEQUENCE OF EVENTS HAPPENED NEARLY SIMULTANEOUSLY. THE GPWS BEGAN TO BARK ABOUT 'FLAPS TOO LOW, ETC'. THE FO ADVANCED THE THRUST LEVERS, CALLED FOR GAR THRUST, FLAPS 25, AND SET GAR PITCH ATTITUDE. I SET THE THRUST LEVERS AND CALLED 'GAR THRUST SET'. AT THIS POINT, WE WERE ABOUT 350 FT CLBING AND THE GPWS I STILL SHOUTING SO LOUD THAT COM IS DIFFICULT, IF NOT IMPOSSIBLE, AT THIS POINT, TWR ISSUES US CLBOUT INSTRUCTIONS BUT THE CAPT DOES NOT RESPOND BECAUSE NONE OF US CAN HEAR OVER THE GPWS. AT THIS POINT, THERE IS AN MLG Z TAKING OFF FROM 28 IN FRONT OF US AND THE SMT Y IS UNDER US. THE CAPT ASKS 'WHAT DID TWR SAY'. NONE OF US RESPOND AS NO ONE COULD HEAR OVER THE GPWS. THE GPWS IS NOT SHOUTING ITS WHOLE LITANY OF PHRASES INCLUDING 'GEAR, FLAPS, TERRAIN, TOO LOW, WHOOP WHOOP PULL UP'. TWR AGAIN ISSUES US CLBOUT INSTRUCTIONS, BUT WE STILL CAN'T HEAR OVER THE GPWS. I TELL THE CAPT. HE SAID 'CLB TO 4000 FT'. THE CAPT SET 4000 FT IN THE ALT ALERT BUT AGAIN DID NOT RESPOND TO TONES AS WE STILL HAVEN'T GOTTEN COMPLETE INSTRUCTIONS. FINALLY AT APPROX 1000 FT AGL, THE GPWS QUITS. TWR REPEATS THE CLBOUT INSTRUCTIONS FOR THE THIRD TIME TO TURN L IMMEDIATELY TO 320 DEG AND CLB TO 4000 FT. THE CAPT ACKNOWLEDGES THE TWR AND WE COMPLY WITH THE DIRECTIONS. THE REST OF THE FLT WAS UNEVENTFUL AND LNDG WAS SUCCESSFUL. RECOMMENDATIONS: MODIFY THE EFIS SO THE GPWS WON'T OVERPWR THE CREW IN CRITICAL SITUATIONS LIKE GARS. MAYBE TIE THE GPWS INTO EPRS. ABOVE 1.8 EPR THE SYSTEM WILL SILENCE.

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.