Narrative:

We were cleared by dfw tower to taxi into position and hold on runway 35L shortly after an air carrier Z B717 departed. When cleared, the captain began to taxi forward and I began my before takeoff flow. As our aircraft taxied across the hold short line, I looked to the right to clear final and noticed the air carrier Y MD80 on short final. Yet at first, I could not tell if the MD80 was aligned with runway 35C, the normal landing runway, or our runway 35L. I told the captain to stop the aircraft and applied the brakes on my side. I told the captain why I had stopped the aircraft. He looked on final and turned the aircraft to the right and taxied back across the hold short line. At this time the tower controller asked air carrier Y which runway he was landing on. The pilot responded, 'we were cleared to land on 35L.' at that time, the controller told the MD80 to go around and cleared us again into position and hold runway 35L and later cleared for takeoff. He never said anything to us about the event until we asked him. His response was 'an aircraft was cleared to land and another in position and hold.' I believe that when the MD80 checked on with tower, he asked to land on 35L instead of 35C and with the departure of the air carrier Z, B717, the controller forgot the MD80 was landing on 35L. When we noticed the MD80 it was approximately 1/2 mi final and within 500 ft AGL.

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Original NASA ASRS Text

Title: EMBRAER 145 STOPPED TAXIING INTO POSITION AND HOLD AFTER FO NOTICED LNDG ACFT ON SHORT FINAL.

Narrative: WE WERE CLRED BY DFW TWR TO TAXI INTO POS AND HOLD ON RWY 35L SHORTLY AFTER AN ACR Z B717 DEPARTED. WHEN CLRED, THE CAPT BEGAN TO TAXI FORWARD AND I BEGAN MY BEFORE TKOF FLOW. AS OUR ACFT TAXIED ACROSS THE HOLD SHORT LINE, I LOOKED TO THE RIGHT TO CLR FINAL AND NOTICED THE ACR Y MD80 ON SHORT FINAL. YET AT FIRST, I COULD NOT TELL IF THE MD80 WAS ALIGNED WITH RWY 35C, THE NORMAL LNDG RWY, OR OUR RWY 35L. I TOLD THE CAPT TO STOP THE ACFT AND APPLIED THE BRAKES ON MY SIDE. I TOLD THE CAPT WHY I HAD STOPPED THE ACFT. HE LOOKED ON FINAL AND TURNED THE ACFT TO THE R AND TAXIED BACK ACROSS THE HOLD SHORT LINE. AT THIS TIME THE TWR CTLR ASKED ACR Y WHICH RWY HE WAS LNDG ON. THE PLT RESPONDED, 'WE WERE CLRED TO LAND ON 35L.' AT THAT TIME, THE CTLR TOLD THE MD80 TO GO AROUND AND CLRED US AGAIN INTO POSITION AND HOLD RWY 35L AND LATER CLRED FOR TKOF. HE NEVER SAID ANYTHING TO US ABOUT THE EVENT UNTIL WE ASKED HIM. HIS RESPONSE WAS 'AN ACFT WAS CLRED TO LAND AND ANOTHER IN POS AND HOLD.' I BELIEVE THAT WHEN THE MD80 CHECKED ON WITH TWR, HE ASKED TO LAND ON 35L INSTEAD OF 35C AND WITH THE DEP OF THE ACR Z, B717, THE CTLR FORGOT THE MD80 WAS LNDG ON 35L. WHEN WE NOTICED THE MD80 IT WAS APPROX 1/2 MI FINAL AND WITHIN 500 FT AGL.

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.