Narrative:

We were cleared into position and hold on runway 27L as another aircraft departed ahead of us. After approximately 2 mins, we were cleared for takeoff. As I advanced the throttles and began the takeoff roll, the first officer saw what appeared to be an aircraft on short final for runway 30 on the TCASII screen. I looked out the left window and to our rear and saw a BE1900 over the lights for runway 30. I aborted the takeoff at approximately 20 KTS and stopped short of the runway 27L/30 intersection. The BE1900 crossed above and ahead of us. We taxied back for another takeoff. The local controller commented about his error to the BE1900 pilot. Supplemental information from acn 297020: mia tower cleared the B737 for takeoff on runway 27L and told him that there was a commuter turboprop aircraft on a 1 mi final approach for runway 30. We were cleared into position to hold on runway 27L behind the departing B737. ATC (mia tower) cleared us for takeoff. As soon as I finished acknowledging the takeoff instructions to ATC, I asked the captain to look out his left rear quarter window. I told the captain that there was an aircraft on short final for runway 30. At the same time I noted a target on the TCASII approaching our left rear quarter indicating 300 ft and then the target disappeared. The captain visually confirmed the aircraft approaching runway 30 and aborted the takeoff stopping our aircraft before reaching the intersection of runway 27L and runway 30. I reported the abort to ATC and he (mia tower controller) apologized saying that he had mistakenly cleared us for takeoff. The commuter aircraft told mia tower that he saw us rolling and was about to go around.

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Original NASA ASRS Text

Title: RPTED SIT OF RPTR'S B727 ABORT TKOF ON RWY 27L AFTER OBSERVING A BE1900 OVER THE APCH LIGHTS FOR INTERSECTING RWY 30. THE B727 STOPPED SHORT OF RWY 30.

Narrative: WE WERE CLRED INTO POS AND HOLD ON RWY 27L AS ANOTHER ACFT DEPARTED AHEAD OF US. AFTER APPROX 2 MINS, WE WERE CLRED FOR TKOF. AS I ADVANCED THE THROTTLES AND BEGAN THE TKOF ROLL, THE FO SAW WHAT APPEARED TO BE AN ACFT ON SHORT FINAL FOR RWY 30 ON THE TCASII SCREEN. I LOOKED OUT THE L WINDOW AND TO OUR REAR AND SAW A BE1900 OVER THE LIGHTS FOR RWY 30. I ABORTED THE TKOF AT APPROX 20 KTS AND STOPPED SHORT OF THE RWY 27L/30 INTXN. THE BE1900 CROSSED ABOVE AND AHEAD OF US. WE TAXIED BACK FOR ANOTHER TKOF. THE LCL CTLR COMMENTED ABOUT HIS ERROR TO THE BE1900 PLT. SUPPLEMENTAL INFO FROM ACN 297020: MIA TWR CLRED THE B737 FOR TKOF ON RWY 27L AND TOLD HIM THAT THERE WAS A COMMUTER TURBOPROP ACFT ON A 1 MI FINAL APCH FOR RWY 30. WE WERE CLRED INTO POS TO HOLD ON RWY 27L BEHIND THE DEPARTING B737. ATC (MIA TWR) CLRED US FOR TKOF. AS SOON AS I FINISHED ACKNOWLEDGING THE TKOF INSTRUCTIONS TO ATC, I ASKED THE CAPT TO LOOK OUT HIS L REAR QUARTER WINDOW. I TOLD THE CAPT THAT THERE WAS AN ACFT ON SHORT FINAL FOR RWY 30. AT THE SAME TIME I NOTED A TARGET ON THE TCASII APCHING OUR L REAR QUARTER INDICATING 300 FT AND THEN THE TARGET DISAPPEARED. THE CAPT VISUALLY CONFIRMED THE ACFT APCHING RWY 30 AND ABORTED THE TKOF STOPPING OUR ACFT BEFORE REACHING THE INTXN OF RWY 27L AND RWY 30. I RPTED THE ABORT TO ATC AND HE (MIA TWR CTLR) APOLOGIZED SAYING THAT HE HAD MISTAKENLY CLRED US FOR TKOF. THE COMMUTER ACFT TOLD MIA TWR THAT HE SAW US ROLLING AND WAS ABOUT TO GAR.

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.