Unauthorized takeoff runway entry operation by private pilot in a cessna.

Attributes
ACN	359348
Time
Date	199701
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ict
State Reference	KS
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff ground : holding
Flight Plan	None
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff ground : holding other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 30 flight time total : 50 flight time type : 50
ASRS Report	359348
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : ground critical incursion : runway non adherence : clearance non adherence : far non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact none taken : insufficient time
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 2000 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

It was a busy afternoon at ict. There was a lot of radio communication at the time of the occurrence. I was in aircraft X solo, at runway 1R, intersection B, completing the before takeoff checklist. Upon completion, I waited a min or so for a break in the radio. When I thought the radio was clear, I reported 'ict tower, cessna X, runway 1R, intersection B, ready for takeoff.' immediately after the call, the tower came back and stated 'cleared for takeoff.' because of the response returned immediately after my initial call, and not realizing at the time that my tail number was not stated, I immediately taxied onto the runway and initiated my takeoff. Just before I pulled onto the runway, I scanned down the length of it to ensure it was clear. I did see another aircraft which I believed to be taxiing off the runway. I continued my prompt departure, and just after becoming airborne, I heard the other aircraft report 'takeoff aborted.' I continued the takeoff to clear out of the way and proceeded to the west practice area with ATC permission. ATC instructed me to call the tower upon return. Shortly after takeoff I returned from the west practice area and returned home. I contacted ict tower from there. I explained to the tower what the confusion was and deeply and regretfully apologized for my deviation. I felt rushed at the time which was part of my mistake. I believe what happened was that when I made my initial call, the tower initiated a call to another aircraft clearing them for takeoff and I only caught the tail end of it, 'runway 1R, clear for takeoff, make immediate departure to the left.' I believe that both myself and the tower were communicating at the same time which prohibited me from hearing the call sign. Believing that the clearance was mine, I responded, 'cessna X cleared for takeoff,' which may have also been covered partially by an ATC transmission. I believe we both taxied on and initiated takeoff at approximately the same time.

Original NASA ASRS Text

Title: UNAUTH TKOF RWY ENTRY OP BY PVT PLT IN A CESSNA.

Narrative: IT WAS A BUSY AFTERNOON AT ICT. THERE WAS A LOT OF RADIO COM AT THE TIME OF THE OCCURRENCE. I WAS IN ACFT X SOLO, AT RWY 1R, INTXN B, COMPLETING THE BEFORE TKOF CHKLIST. UPON COMPLETION, I WAITED A MIN OR SO FOR A BREAK IN THE RADIO. WHEN I THOUGHT THE RADIO WAS CLR, I RPTED 'ICT TWR, CESSNA X, RWY 1R, INTXN B, READY FOR TKOF.' IMMEDIATELY AFTER THE CALL, THE TWR CAME BACK AND STATED 'CLRED FOR TKOF.' BECAUSE OF THE RESPONSE RETURNED IMMEDIATELY AFTER MY INITIAL CALL, AND NOT REALIZING AT THE TIME THAT MY TAIL NUMBER WAS NOT STATED, I IMMEDIATELY TAXIED ONTO THE RWY AND INITIATED MY TKOF. JUST BEFORE I PULLED ONTO THE RWY, I SCANNED DOWN THE LENGTH OF IT TO ENSURE IT WAS CLR. I DID SEE ANOTHER ACFT WHICH I BELIEVED TO BE TAXIING OFF THE RWY. I CONTINUED MY PROMPT DEP, AND JUST AFTER BECOMING AIRBORNE, I HEARD THE OTHER ACFT RPT 'TKOF ABORTED.' I CONTINUED THE TKOF TO CLR OUT OF THE WAY AND PROCEEDED TO THE W PRACTICE AREA WITH ATC PERMISSION. ATC INSTRUCTED ME TO CALL THE TWR UPON RETURN. SHORTLY AFTER TKOF I RETURNED FROM THE W PRACTICE AREA AND RETURNED HOME. I CONTACTED ICT TWR FROM THERE. I EXPLAINED TO THE TWR WHAT THE CONFUSION WAS AND DEEPLY AND REGRETFULLY APOLOGIZED FOR MY DEV. I FELT RUSHED AT THE TIME WHICH WAS PART OF MY MISTAKE. I BELIEVE WHAT HAPPENED WAS THAT WHEN I MADE MY INITIAL CALL, THE TWR INITIATED A CALL TO ANOTHER ACFT CLRING THEM FOR TKOF AND I ONLY CAUGHT THE TAIL END OF IT, 'RWY 1R, CLR FOR TKOF, MAKE IMMEDIATE DEP TO THE L.' I BELIEVE THAT BOTH MYSELF AND THE TWR WERE COMMUNICATING AT THE SAME TIME WHICH PROHIBITED ME FROM HEARING THE CALL SIGN. BELIEVING THAT THE CLRNC WAS MINE, I RESPONDED, 'CESSNA X CLRED FOR TKOF,' WHICH MAY HAVE ALSO BEEN COVERED PARTIALLY BY AN ATC XMISSION. I BELIEVE WE BOTH TAXIED ON AND INITIATED TKOF AT APPROX THE SAME TIME.

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.