CL65 crew had runway incursion.

Attributes
ACN	441430
Time
Date	199906
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : tul.airport
State Reference	OK
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Challenger CL604
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Experience	flight time last 90 days : 240 flight time total : 1900 flight time type : 800
ASRS Report	441430
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	incursion : runway non adherence : clearance
Independent Detector	other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance none taken : detected after the fact
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Was cleared to taxi from gate to runway 8. No route was specified by the ground/tower controller (he was working both stations). I asked the captain if he would taxi via taxiway C and he said yes. Left turn prior to runway 8/25 parallel is taxiway C. Captain began taxi and I continued my taxi flow and checklist. Captain said clear left and I looked up and out and cleared runway to right and we crossed the runway. Just past the runway we both simultaneously realized we had crossed runway 8/25 (the active) via taxiway J and that the captain had missed the turn on taxiway C. I informed ground/tower controller of the missed turn and he then cleared us to back taxi on runway 8 into position. No other aircraft were involved in either the takeoff or landing phase of flight.

Original NASA ASRS Text

Title: CL65 CREW HAD RWY INCURSION.

Narrative: WAS CLRED TO TAXI FROM GATE TO RWY 8. NO RTE WAS SPECIFIED BY THE GND/TWR CTLR (HE WAS WORKING BOTH STATIONS). I ASKED THE CAPT IF HE WOULD TAXI VIA TXWY C AND HE SAID YES. L TURN PRIOR TO RWY 8/25 PARALLEL IS TXWY C. CAPT BEGAN TAXI AND I CONTINUED MY TAXI FLOW AND CHKLIST. CAPT SAID CLR L AND I LOOKED UP AND OUT AND CLRED RWY TO R AND WE CROSSED THE RWY. JUST PAST THE RWY WE BOTH SIMULTANEOUSLY REALIZED WE HAD CROSSED RWY 8/25 (THE ACTIVE) VIA TXWY J AND THAT THE CAPT HAD MISSED THE TURN ON TXWY C. I INFORMED GND/TWR CTLR OF THE MISSED TURN AND HE THEN CLRED US TO BACK TAXI ON RWY 8 INTO POS. NO OTHER ACFT WERE INVOLVED IN EITHER THE TKOF OR LNDG PHASE OF FLT.

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.