Kingair 200 flight crew makes a takeoff without clearance at jfk.

Attributes
ACN	704501
Time
Date	200607
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : jfk.airport
State Reference	NY
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Weather Elements	Thunderstorm
Light	Daylight
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Super King Air 200 HDC
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : instrument pilot : commercial pilot : atp
Experience	flight time last 90 days : 62 flight time total : 3100 flight time type : 260
ASRS Report	704501
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Events
Anomaly	non adherence : clearance
Independent Detector	other controllerb
Resolutory Action	controller : issued advisory
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

We were in a king air 200 and I was PIC and I had a sic doing the radios. We were at jfk leaving the GA ramp with 2 passenger. There were severe thunderstorms coming in from the west along our route of flight which was to mvy. There were a lot of delays at the airport with aircraft taxiing and sitting all over the place. Ground control was very busy. We received this question from ground: 'can you get to runway 13R via pe?' we said we could; and he told us to 'taxi to runway 13R via pe.' he did not say 'right on Q and left on pe to hold short of 13R' which is normal for us at most large airports. It was confusing but we found pe and when we got on it there was another aircraft at right angles to us on P. We stopped to allow this other aircraft to get to runway 13R as we were not sure what was going on because all the aircraft we saw were taxiing down runway 13R to get to other locations and not taking off. We were told to go to tower frequency. We did and he told us 'position and hold runway 13R' in a tone that suggested we were going to take off right away. Being so far back from the hold short line of runway 13R; I was rushing to get onto the runway; get the checklist complete; and at the same time I was trying to get the radar to come up because it seemed to be affected by the heat and would not 'boot up.' I thought I heard the tower say 'aircraft X cleared for takeoff; fly heading of 285 degrees' and I thought I heard my sic read that back. So I took off. The sic did his normal duties on the takeoff roll. Right as I broke ground the tower asked if we could make our assigned turn to heading 285 degrees before runway 22R. The sic replied yes and I initiated the turn as requested with no problem. It was at this time that the tower started yelling; 'I did not clear you to take off.' my sic replied that he thought he did. The tower said 'well you thought wrong.' the tower turned us over to departure at this time. When we tried to contact departure; my sic could not do so with his radio. I don't know why but I had to do the communications for the next few mins. Reasons for this incident: 1) I think the tower actually told us 'after takeoff' and not 'cleared for takeoff.' 2) the controllers at jfk give unorthodox directions. 3) being rushed by all the events mentioned above.

Original NASA ASRS Text

Title: KINGAIR 200 FLT CREW MAKES A TKOF WITHOUT CLRNC AT JFK.

Narrative: WE WERE IN A KING AIR 200 AND I WAS PIC AND I HAD A SIC DOING THE RADIOS. WE WERE AT JFK LEAVING THE GA RAMP WITH 2 PAX. THERE WERE SEVERE TSTMS COMING IN FROM THE W ALONG OUR RTE OF FLT WHICH WAS TO MVY. THERE WERE A LOT OF DELAYS AT THE ARPT WITH ACFT TAXIING AND SITTING ALL OVER THE PLACE. GND CTL WAS VERY BUSY. WE RECEIVED THIS QUESTION FROM GND: 'CAN YOU GET TO RWY 13R VIA PE?' WE SAID WE COULD; AND HE TOLD US TO 'TAXI TO RWY 13R VIA PE.' HE DID NOT SAY 'R ON Q AND L ON PE TO HOLD SHORT OF 13R' WHICH IS NORMAL FOR US AT MOST LARGE ARPTS. IT WAS CONFUSING BUT WE FOUND PE AND WHEN WE GOT ON IT THERE WAS ANOTHER ACFT AT R ANGLES TO US ON P. WE STOPPED TO ALLOW THIS OTHER ACFT TO GET TO RWY 13R AS WE WERE NOT SURE WHAT WAS GOING ON BECAUSE ALL THE ACFT WE SAW WERE TAXIING DOWN RWY 13R TO GET TO OTHER LOCATIONS AND NOT TAKING OFF. WE WERE TOLD TO GO TO TWR FREQ. WE DID AND HE TOLD US 'POS AND HOLD RWY 13R' IN A TONE THAT SUGGESTED WE WERE GOING TO TAKE OFF RIGHT AWAY. BEING SO FAR BACK FROM THE HOLD SHORT LINE OF RWY 13R; I WAS RUSHING TO GET ONTO THE RWY; GET THE CHKLIST COMPLETE; AND AT THE SAME TIME I WAS TRYING TO GET THE RADAR TO COME UP BECAUSE IT SEEMED TO BE AFFECTED BY THE HEAT AND WOULD NOT 'BOOT UP.' I THOUGHT I HEARD THE TWR SAY 'ACFT X CLRED FOR TKOF; FLY HDG OF 285 DEGS' AND I THOUGHT I HEARD MY SIC READ THAT BACK. SO I TOOK OFF. THE SIC DID HIS NORMAL DUTIES ON THE TKOF ROLL. RIGHT AS I BROKE GND THE TWR ASKED IF WE COULD MAKE OUR ASSIGNED TURN TO HDG 285 DEGS BEFORE RWY 22R. THE SIC REPLIED YES AND I INITIATED THE TURN AS REQUESTED WITH NO PROB. IT WAS AT THIS TIME THAT THE TWR STARTED YELLING; 'I DID NOT CLR YOU TO TAKE OFF.' MY SIC REPLIED THAT HE THOUGHT HE DID. THE TWR SAID 'WELL YOU THOUGHT WRONG.' THE TWR TURNED US OVER TO DEP AT THIS TIME. WHEN WE TRIED TO CONTACT DEP; MY SIC COULD NOT DO SO WITH HIS RADIO. I DON'T KNOW WHY BUT I HAD TO DO THE COMS FOR THE NEXT FEW MINS. REASONS FOR THIS INCIDENT: 1) I THINK THE TWR ACTUALLY TOLD US 'AFTER TKOF' AND NOT 'CLRED FOR TKOF.' 2) THE CTLRS AT JFK GIVE UNORTHODOX DIRECTIONS. 3) BEING RUSHED BY ALL THE EVENTS MENTIONED ABOVE.

Data retrieved from NASA's ASRS site as of January 2009 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.