B727 aircraft departing ramp for taxi instructions was cleared to cross an active runway and clearance read back. After flight crew crossed the runway ground controller asked if they had copied the hold short clearance. They had not and believe the ground controller forgot he cleared them across.

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Attributes
ACN	393764
Time
Date	199802
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : mem
State Reference	TN
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground other : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : flight engineer pilot : atp pilot : commercial
Experience	flight time last 90 days : 100 flight time total : 8000 flight time type : 4000
ASRS Report	393764
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : flight engineer pilot : atp pilot : commercial
Experience	flight time last 90 days : 100 flight time total : 3000 flight time type : 500
ASRS Report	394320
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other

Narrative:

While taxiing out for takeoff, we were holding short of approach end of runway 27 at '4.' ground cleared us to 'taxi to runway 18L, cleared to cross runway 27.' and we acknowledged and read back the instructions as given. While crossing runway 27, we noticed a DC10 in position on the other end (runway 9) with just his taxi light on. After crossing and while on the parallel taxiway ground asked if we had copied the 'hold short of runway 27.' we had not received any further instructions after our initial 'cleared to cross runway 27' call. The DC10 did not start its takeoff roll until we had completed our crossing so there was no actual conflict. It just left us wondering if we had missed a call or misunderstood the original call. I assume (perhaps incorrectly) that ground had forgotten he cleared us and held the DC10 in position until we cleared the runway. No further comments were made. When we got back, I called but the shift was changed so I couldn't find out what really happened.

Original NASA ASRS Text

Title: B727 ACFT DEPARTING RAMP FOR TAXI INSTRUCTIONS WAS CLRED TO CROSS AN ACTIVE RWY AND CLRNC READ BACK. AFTER FLC CROSSED THE RWY GND CTLR ASKED IF THEY HAD COPIED THE HOLD SHORT CLRNC. THEY HAD NOT AND BELIEVE THE GND CTLR FORGOT HE CLRED THEM ACROSS.

Narrative: WHILE TAXIING OUT FOR TKOF, WE WERE HOLDING SHORT OF APCH END OF RWY 27 AT '4.' GND CLRED US TO 'TAXI TO RWY 18L, CLRED TO CROSS RWY 27.' AND WE ACKNOWLEDGED AND READ BACK THE INSTRUCTIONS AS GIVEN. WHILE XING RWY 27, WE NOTICED A DC10 IN POS ON THE OTHER END (RWY 9) WITH JUST HIS TAXI LIGHT ON. AFTER XING AND WHILE ON THE PARALLEL TXWY GND ASKED IF WE HAD COPIED THE 'HOLD SHORT OF RWY 27.' WE HAD NOT RECEIVED ANY FURTHER INSTRUCTIONS AFTER OUR INITIAL 'CLRED TO CROSS RWY 27' CALL. THE DC10 DID NOT START ITS TKOF ROLL UNTIL WE HAD COMPLETED OUR XING SO THERE WAS NO ACTUAL CONFLICT. IT JUST LEFT US WONDERING IF WE HAD MISSED A CALL OR MISUNDERSTOOD THE ORIGINAL CALL. I ASSUME (PERHAPS INCORRECTLY) THAT GND HAD FORGOTTEN HE CLRED US AND HELD THE DC10 IN POS UNTIL WE CLRED THE RWY. NO FURTHER COMMENTS WERE MADE. WHEN WE GOT BACK, I CALLED BUT THE SHIFT WAS CHANGED SO I COULDN'T FIND OUT WHAT REALLY HAPPENED.

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.