Small aircraft X unauthorized uncoordinated runway crossing had less than standard separation from small aircraft Y making touch and go landing. System error.

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Attributes
ACN	215181
Time
Date	199207
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : shv
State Reference	LA
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	ground other : taxi
Flight Plan	VFR
Aircraft 2
Operator	general aviation : instructional
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	climbout : takeoff
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 150 flight time total : 4000 flight time type : 100
ASRS Report	215181
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Events
Anomaly	conflict : ground critical incursion : runway non adherence : published procedure non adherence : required legal separation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Miss Distance	horizontal : 400 vertical : 0
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error Inter Facility Coordination Failure

Narrative:

Small aircraft X was cleared by ground controller to taxi from southwest area of airfield to active runway 14. This clearance required runway 23 to be crossed. As I approached runway 23 (I was inside the hold line but not completely on the runway) ground controller advised me to stop. As I did so, I noticed an small aircraft Y was executing touch and go lndgs on runway 23. When separation was adequate between the 2 aircraft, ground controller allowed me to resume taxi. I then asked ground controller to verify that I was not asked to hold short of runway 23 in the original taxi clearance, which he acknowledged. Quite simply, both myself and the ground controller should have been more vigilant of traffic.

Original NASA ASRS Text

Title: SMA X UNAUTHORIZED UNCOORDINATED RWY XING HAD LTSS FROM SMA Y MAKING TOUCH AND GO LNDG. SYS ERROR.

Narrative: SMA X WAS CLRED BY GND CTLR TO TAXI FROM SW AREA OF AIRFIELD TO ACTIVE RWY 14. THIS CLRNC REQUIRED RWY 23 TO BE CROSSED. AS I APCHED RWY 23 (I WAS INSIDE THE HOLD LINE BUT NOT COMPLETELY ON THE RWY) GND CTLR ADVISED ME TO STOP. AS I DID SO, I NOTICED AN SMA Y WAS EXECUTING TOUCH AND GO LNDGS ON RWY 23. WHEN SEPARATION WAS ADEQUATE BTWN THE 2 ACFT, GND CTLR ALLOWED ME TO RESUME TAXI. I THEN ASKED GND CTLR TO VERIFY THAT I WAS NOT ASKED TO HOLD SHORT OF RWY 23 IN THE ORIGINAL TAXI CLRNC, WHICH HE ACKNOWLEDGED. QUITE SIMPLY, BOTH MYSELF AND THE GND CTLR SHOULD HAVE BEEN MORE VIGILANT OF TFC.

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.