<< >> NASA ASRS Report 177734, May 1991

Ground controller cleared aircraft on runway while medium large transport in takeoff roll. Local also had small aircraft on final. Apparent coordination breakdown in tower.

Attributes
ACN	177734
Time
Date	199105
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz
State Reference	US
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Medium Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	ground other : taxi
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp pilot : instrument
Experience	flight time last 90 days : 180 flight time total : 11500 flight time type : 180
ASRS Report	177734
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	incursion : runway non adherence : published procedure other anomaly other
Independent Detector	other controllera
Resolutory Action	other
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation

Narrative:

Taxied hangar east to runway 34 via H taxiway to hold short runway 34. As reaching hold point, ground cleared to backtrack into position runway 34. First officer saw and radioed ground control and air carrier medium large transport was starting a takeoff roll. We held short. Next tower repeated backtrack instructions and told us to go to tower. We read back. Well down the runway, tower indicated we were supposed to have crossed runway 34 to runway 29 to taxi east. An small aircraft on final started a 360 degree turn and we were cleared for takeoff. I called via landline at destination to clarify incident. Controller said it was a 'miscom,' and considered the matter closed. I felt there was some miscoord in the cabin at trying to put us on a runway with an medium large transport about to roll and whatever ensuing instructions kept the controller from correcting or amending our readback. We did what we thought we were cleared to do.

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Original NASA ASRS Text

Title: GND CTLR CLEARED ACFT ON RWY WHILE MLG IN TKOF ROLL. LCL ALSO HAD SMA ON FINAL. APPARENT COORD BREAKDOWN IN TWR.

Narrative: TAXIED HANGAR E TO RWY 34 VIA H TXWY TO HOLD SHORT RWY 34. AS REACHING HOLD POINT, GND CLRED TO BACKTRACK INTO POS RWY 34. F/O SAW AND RADIOED GND CTL AND ACR MLG WAS STARTING A TKOF ROLL. WE HELD SHORT. NEXT TWR REPEATED BACKTRACK INSTRUCTIONS AND TOLD US TO GO TO TWR. WE READ BACK. WELL DOWN THE RWY, TWR INDICATED WE WERE SUPPOSED TO HAVE CROSSED RWY 34 TO RWY 29 TO TAXI E. AN SMA ON FINAL STARTED A 360 DEG TURN AND WE WERE CLRED FOR TKOF. I CALLED VIA LANDLINE AT DEST TO CLARIFY INCIDENT. CTLR SAID IT WAS A 'MISCOM,' AND CONSIDERED THE MATTER CLOSED. I FELT THERE WAS SOME MISCOORD IN THE CABIN AT TRYING TO PUT US ON A RWY WITH AN MLG ABOUT TO ROLL AND WHATEVER ENSUING INSTRUCTIONS KEPT THE CTLR FROM CORRECTING OR AMENDING OUR READBACK. WE DID WHAT WE THOUGHT WE WERE CLRED TO DO.

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.