Narrative:

When a single engine taxi was commanded by the captain; I brought up the 5 min warm-up. On J; when we started the engine; I mentioned the 5 min warm-up again. Per SOP; I started timing for the 5 mins after the engine stabilized verbalizing what I did. It was no surprise to me that we arrived at runway 9R with just about 3 mins left on the warm-up. When tower cleared us into position and hold; I accepted the clearance and informed them that a few mins were needed (I cannot remember the exact time I gave them) before we could take off. At first; tower cleared us straight ahead but then rescinded and said position and hold. All the while the captain was yelling 'position and hold' repeatedly. After we entered the runway; tower clearly changed his mind and told us to exit the runway straight ahead. I repeated his clearance. The captain while still yelling position and hold; disregard the controller and turned into position. Then the tower cleared us to taxi straight ahead and make a right turn off runway 9R. The captain again yelled position and hold to me. I looked at the captain and said 'comply with ATC instructions and exit the runway' professionally; calmly but was firm as my hand was going to the tiller to take the aircraft to comply. Fortunately; this was not needed and the captain exited the runway. CRM: I cannot conceive how I could have done anything else to prepare the captain for the wait. He decided to do a single engine taxi to runway 9R full well knowing we had a warm-up. In hindsight; maybe I should have requested he return to the gate or take some time to calm down. I now wonder where his thoughts were during the takeoff. I should also note we landed 15 mins early after flying a low cost index. Time was never a factor.

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Original NASA ASRS Text

Title: A320 FO REPORTS DISAGREEMENT WITH CAPT OVER COMPLIANCE WITH COMPANY REQUIRED ENGINE WARM-UP BEFORE TKOF.

Narrative: WHEN A SINGLE ENG TAXI WAS COMMANDED BY THE CAPT; I BROUGHT UP THE 5 MIN WARM-UP. ON J; WHEN WE STARTED THE ENG; I MENTIONED THE 5 MIN WARM-UP AGAIN. PER SOP; I STARTED TIMING FOR THE 5 MINS AFTER THE ENG STABILIZED VERBALIZING WHAT I DID. IT WAS NO SURPRISE TO ME THAT WE ARRIVED AT RWY 9R WITH JUST ABOUT 3 MINS LEFT ON THE WARM-UP. WHEN TWR CLRED US INTO POS AND HOLD; I ACCEPTED THE CLRNC AND INFORMED THEM THAT A FEW MINS WERE NEEDED (I CANNOT REMEMBER THE EXACT TIME I GAVE THEM) BEFORE WE COULD TAKE OFF. AT FIRST; TWR CLRED US STRAIGHT AHEAD BUT THEN RESCINDED AND SAID POS AND HOLD. ALL THE WHILE THE CAPT WAS YELLING 'POS AND HOLD' REPEATEDLY. AFTER WE ENTERED THE RWY; TWR CLRLY CHANGED HIS MIND AND TOLD US TO EXIT THE RWY STRAIGHT AHEAD. I REPEATED HIS CLRNC. THE CAPT WHILE STILL YELLING POS AND HOLD; DISREGARD THE CTLR AND TURNED INTO POS. THEN THE TWR CLRED US TO TAXI STRAIGHT AHEAD AND MAKE A R TURN OFF RWY 9R. THE CAPT AGAIN YELLED POS AND HOLD TO ME. I LOOKED AT THE CAPT AND SAID 'COMPLY WITH ATC INSTRUCTIONS AND EXIT THE RWY' PROFESSIONALLY; CALMLY BUT WAS FIRM AS MY HAND WAS GOING TO THE TILLER TO TAKE THE ACFT TO COMPLY. FORTUNATELY; THIS WAS NOT NEEDED AND THE CAPT EXITED THE RWY. CRM: I CANNOT CONCEIVE HOW I COULD HAVE DONE ANYTHING ELSE TO PREPARE THE CAPT FOR THE WAIT. HE DECIDED TO DO A SINGLE ENG TAXI TO RWY 9R FULL WELL KNOWING WE HAD A WARM-UP. IN HINDSIGHT; MAYBE I SHOULD HAVE REQUESTED HE RETURN TO THE GATE OR TAKE SOME TIME TO CALM DOWN. I NOW WONDER WHERE HIS THOUGHTS WERE DURING THE TKOF. I SHOULD ALSO NOTE WE LANDED 15 MINS EARLY AFTER FLYING A LOW COST INDEX. TIME WAS NEVER A FACTOR.

Data retrieved from NASA's ASRS site as of May 2009 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.