C210 and an air carrier B737 had near midair collision at aus.

Attributes
ACN	425980
Time
Date	199901
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : aus
State Reference	TX
Altitude	agl bound lower : 100 agl bound upper : 100
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Cessna 210 Centurion / Turbo Centurion 210C, 210D
Flight Phase	climbout : initial
Route In Use	departure other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Flight Phase	climbout : takeoff climbout : initial
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial
Experience	flight time last 90 days : 30 flight time total : 3400 flight time type : 2100
ASRS Report	425980
Person 2
Affiliation	Other
Function	observation : passenger
Qualification	other other : other
Events
Anomaly	conflict : nmac non adherence : required legal separation
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Consequence	faa : investigated

Narrative:

I feel that I had clearance for takeoff. A clearance or instructions from the controller requires a reply and I acknowledged my clearance and both pilot passenger heard the same incident at austin airport (aus) wed morning (approximately XA35 am local) on jan/wed/99, on a reported near miss between my aircraft abcd and an air carrier jet. After preflight at the FBO, and passenger aboard, I called clearance delivery for my clearance from aus to ftw. Clearance received and was advised to go to tower frequency for taxi and runway assignment. I was instructed to taxi to runway 35, which I did. The tower asked me my position shortly after that and I was told I was on the taxiway almost to runway 35. He said he could not see me and there was another aircraft departing runway 31L. I acknowledged that was fine as I still had to perform a run-up check of my aircraft. After the run-up was complete, I do not believe I told him I was ready on runway 35, but might have. Anyway, I was instructed to taxi in position and hold. I acknowledged position and hold 'bcd.' as I was moving to the runway for the 'hold' position the controller advised 'you are cleared for takeoff runway 35.' I acknowledged back 'bcd cleared for takeoff.' I did not hear any other transmission by the tower on my frequency. I did not takeoff immediately as I lined up with runway 35 for instrument checks and final checks. I began my takeoff roll and used most of the runway before rotating. The next voice I heard was the air carrier airline pilot stated he had seen a C210 taking off and he had to pull up to miss me. I immediately told the tower that I had clearance for takeoff. They asked me if I had seen the air carrier jet and I said 'none of us saw him.' had he been that close, I would have seen, heard and felt him passing over me. Both my passenger are pilots and understand the language and phrases used by the controllers. I believe they will concur or acknowledge what they heard. I regret this incident very much as safety is very important to me for everyone who flies an aircraft as pilot or passenger. Never would I have taken off if there was the slightest doubt about my being clear to takeoff. Please advise if I can be of further assistance in this most unfortunate incident.

Original NASA ASRS Text

Title: C210 AND AN ACR B737 HAD NMAC AT AUS.

Narrative: I FEEL THAT I HAD CLRNC FOR TKOF. A CLRNC OR INSTRUCTIONS FROM THE CTLR REQUIRES A REPLY AND I ACKNOWLEDGED MY CLRNC AND BOTH PLT PAX HEARD THE SAME INCIDENT AT AUSTIN ARPT (AUS) WED MORNING (APPROX XA35 AM LCL) ON JAN/WED/99, ON A RPTED NEAR MISS BTWN MY ACFT ABCD AND AN ACR JET. AFTER PREFLT AT THE FBO, AND PAX ABOARD, I CALLED CLRNC DELIVERY FOR MY CLRNC FROM AUS TO FTW. CLRNC RECEIVED AND WAS ADVISED TO GO TO TWR FREQ FOR TAXI AND RWY ASSIGNMENT. I WAS INSTRUCTED TO TAXI TO RWY 35, WHICH I DID. THE TWR ASKED ME MY POS SHORTLY AFTER THAT AND I WAS TOLD I WAS ON THE TXWY ALMOST TO RWY 35. HE SAID HE COULD NOT SEE ME AND THERE WAS ANOTHER ACFT DEPARTING RWY 31L. I ACKNOWLEDGED THAT WAS FINE AS I STILL HAD TO PERFORM A RUN-UP CHK OF MY ACFT. AFTER THE RUN-UP WAS COMPLETE, I DO NOT BELIEVE I TOLD HIM I WAS READY ON RWY 35, BUT MIGHT HAVE. ANYWAY, I WAS INSTRUCTED TO TAXI IN POS AND HOLD. I ACKNOWLEDGED POS AND HOLD 'BCD.' AS I WAS MOVING TO THE RWY FOR THE 'HOLD' POS THE CTLR ADVISED 'YOU ARE CLRED FOR TKOF RWY 35.' I ACKNOWLEDGED BACK 'BCD CLRED FOR TKOF.' I DID NOT HEAR ANY OTHER XMISSION BY THE TWR ON MY FREQ. I DID NOT TKOF IMMEDIATELY AS I LINED UP WITH RWY 35 FOR INST CHKS AND FINAL CHKS. I BEGAN MY TKOF ROLL AND USED MOST OF THE RWY BEFORE ROTATING. THE NEXT VOICE I HEARD WAS THE ACR AIRLINE PLT STATED HE HAD SEEN A C210 TAKING OFF AND HE HAD TO PULL UP TO MISS ME. I IMMEDIATELY TOLD THE TWR THAT I HAD CLRNC FOR TKOF. THEY ASKED ME IF I HAD SEEN THE ACR JET AND I SAID 'NONE OF US SAW HIM.' HAD HE BEEN THAT CLOSE, I WOULD HAVE SEEN, HEARD AND FELT HIM PASSING OVER ME. BOTH MY PAX ARE PLTS AND UNDERSTAND THE LANGUAGE AND PHRASES USED BY THE CTLRS. I BELIEVE THEY WILL CONCUR OR ACKNOWLEDGE WHAT THEY HEARD. I REGRET THIS INCIDENT VERY MUCH AS SAFETY IS VERY IMPORTANT TO ME FOR EVERYONE WHO FLIES AN ACFT AS PLT OR PAX. NEVER WOULD I HAVE TAKEN OFF IF THERE WAS THE SLIGHTEST DOUBT ABOUT MY BEING CLR TO TKOF. PLEASE ADVISE IF I CAN BE OF FURTHER ASSISTANCE IN THIS MOST UNFORTUNATE INCIDENT.

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.