Flight crew of S80 on approach is given caution wake turbulence and cleared to land on runway they had previously requested. Aircraft holding was then cleared for takeoff. That aircraft queried tower as to which runway reporter aircraft was using and held position.

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Attributes
ACN	403580
Time
Date	199805
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : dfw
State Reference	TX
Altitude	msl bound lower : 0 msl bound upper : 1000
Aircraft 1
Controlling Facilities	tower : dfw
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach ground other : taxi landing other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	ground : holding
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
ASRS Report	403580
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa other other : unspecified
Resolutory Action	other
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

ATC facility: dfw tower. Location: dfw. We were #2 for runway 17C dfw. TCASII showed the preceding aircraft 2.5 mi ahead of us. The captain asked if runway 17R was available, to which we were told no. At less than 1000 ft, tower said caution wake turbulence from departing heavy runway 17R, cleared to land runway 17R. The captain asked if we wanted to sidestep to runway 17R to which I responded yes. As we lined up for runway 17R, the next departing MD80 off of runway 17R, who was holding short, was given takeoff clearance. That aircraft saw that we were lined up for runway 17R and they asked the tower to confirm that we were landing runway 17R. The tower then asked us if we were landing runway 17R or runway 17C. We replied runway 17R. The tower then cleared us to land again, runway 17R. As we were taxiing off the runway, tower said we may have misunderstood his wake turbulence warning for landing. Myself and the captain are sure we heard, cleared to land runway 17R, after the wake turbulence warning. The tower was not upset with the situation, nor was there any conflict.

Original NASA ASRS Text

Title: FLC OF S80 ON APCH IS GIVEN CAUTION WAKE TURB AND CLRED TO LAND ON RWY THEY HAD PREVIOUSLY REQUESTED. ACFT HOLDING WAS THEN CLRED FOR TKOF. THAT ACFT QUERIED TWR AS TO WHICH RWY RPTR ACFT WAS USING AND HELD POS.

Narrative: ATC FACILITY: DFW TWR. LOCATION: DFW. WE WERE #2 FOR RWY 17C DFW. TCASII SHOWED THE PRECEDING ACFT 2.5 MI AHEAD OF US. THE CAPT ASKED IF RWY 17R WAS AVAILABLE, TO WHICH WE WERE TOLD NO. AT LESS THAN 1000 FT, TWR SAID CAUTION WAKE TURB FROM DEPARTING HVY RWY 17R, CLRED TO LAND RWY 17R. THE CAPT ASKED IF WE WANTED TO SIDESTEP TO RWY 17R TO WHICH I RESPONDED YES. AS WE LINED UP FOR RWY 17R, THE NEXT DEPARTING MD80 OFF OF RWY 17R, WHO WAS HOLDING SHORT, WAS GIVEN TKOF CLRNC. THAT ACFT SAW THAT WE WERE LINED UP FOR RWY 17R AND THEY ASKED THE TWR TO CONFIRM THAT WE WERE LNDG RWY 17R. THE TWR THEN ASKED US IF WE WERE LNDG RWY 17R OR RWY 17C. WE REPLIED RWY 17R. THE TWR THEN CLRED US TO LAND AGAIN, RWY 17R. AS WE WERE TAXIING OFF THE RWY, TWR SAID WE MAY HAVE MISUNDERSTOOD HIS WAKE TURB WARNING FOR LNDG. MYSELF AND THE CAPT ARE SURE WE HEARD, CLRED TO LAND RWY 17R, AFTER THE WAKE TURB WARNING. THE TWR WAS NOT UPSET WITH THE SIT, NOR WAS THERE ANY CONFLICT.

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.