Citation ultra flight crew misunderstands taxi clearance and has runway incursion at teb.

Attributes
ACN	570679
Time
Date	200301
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : teb.airport
State Reference	NJ
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : teb.tower
Operator	common carrier : charter
Make Model Name	Citation V
Operating Under FAR Part	Part 135
Flight Phase	ground : taxi ground : holding
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : teb.tower
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	descent : approach
Person 1
Affiliation	company : charter
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : commercial pilot : cfi pilot : atp
Experience	flight time last 90 days : 100 flight time total : 5900 flight time type : 500
ASRS Report	570679
Person 2
Affiliation	company : charter
Function	flight crew : first officer
Events
Anomaly	conflict : ground less severe incursion : runway non adherence : clearance non adherence : far
Independent Detector	other controllerb
Resolutory Action	controller : issued alert
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

As we taxied towards the hold short line of runway 24, the tower controller asked us if we were ready for departure. We informed ATC that we would need 'another min,' then we were instructed to go to the waiting area until ready. After completing all checklists the copilot called ATC and informed them that we were now ready. We were both under the impression that we had been given 'taxi into position and hold' instruction. That's what we thought we heard. As we crossed the hold short line, ATC said 'citation stop.' I looked to my left and saw another aircraft on about a 1 1/2 to 2 mi final. We stopped. A moment later the aircraft landed without incidence. Our wings were past the line but our tail was still over the hold short line. We were cleared for takeoff and the rest of the flight was uneventful. After landing, I decided to call teterboro tower. I asked the controller who cleared us for takeoff if he had asked us to hold short of runway 24. He said that there may have been a miscom.

Original NASA ASRS Text

Title: CITATION ULTRA FLT CREW MISUNDERSTANDS TAXI CLRNC AND HAS RWY INCURSION AT TEB.

Narrative: AS WE TAXIED TOWARDS THE HOLD SHORT LINE OF RWY 24, THE TWR CTLR ASKED US IF WE WERE READY FOR DEP. WE INFORMED ATC THAT WE WOULD NEED 'ANOTHER MIN,' THEN WE WERE INSTRUCTED TO GO TO THE WAITING AREA UNTIL READY. AFTER COMPLETING ALL CHKLISTS THE COPLT CALLED ATC AND INFORMED THEM THAT WE WERE NOW READY. WE WERE BOTH UNDER THE IMPRESSION THAT WE HAD BEEN GIVEN 'TAXI INTO POS AND HOLD' INSTRUCTION. THAT'S WHAT WE THOUGHT WE HEARD. AS WE CROSSED THE HOLD SHORT LINE, ATC SAID 'CITATION STOP.' I LOOKED TO MY L AND SAW ANOTHER ACFT ON ABOUT A 1 1/2 TO 2 MI FINAL. WE STOPPED. A MOMENT LATER THE ACFT LANDED WITHOUT INCIDENCE. OUR WINGS WERE PAST THE LINE BUT OUR TAIL WAS STILL OVER THE HOLD SHORT LINE. WE WERE CLRED FOR TKOF AND THE REST OF THE FLT WAS UNEVENTFUL. AFTER LNDG, I DECIDED TO CALL TETERBORO TWR. I ASKED THE CTLR WHO CLRED US FOR TKOF IF HE HAD ASKED US TO HOLD SHORT OF RWY 24. HE SAID THAT THERE MAY HAVE BEEN A MISCOM.

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.