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Atx pilot instructed to taxi into position and hold for departure around other aircraft in run-up area. Atx pilot does not hold on runway, but continues on roll, under power. Delayed tower clearance received for departure, aircraft still on roll. As pilot rotates aircraft and becomes airborne, he observes vehicle exiting runway.
| Attributes | |
| ACN | 395539 |
| Time | |
| Date | 199803 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lnk |
| State Reference | NE |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : lnk |
| Operator | common carrier : air taxi |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 135 |
| Navigation In Use | Other |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 130 flight time total : 4940 flight time type : 700 |
| ASRS Report | 395539 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument |
| Events | |
| Anomaly | conflict : ground less severe non adherence : clearance non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : insufficient time |
| Consequence | Other |
| Miss Distance | horizontal : 4500 vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Got clearance to taxi into position and hold at an intersection. Taxied around other aircraft onto runway. Never came to a complete stop. Got cleared for takeoff when I was 1000-2000 ft down the runway. As I rotated I saw an airport vehicle pulling off the runway approximately 4000-5000 ft away. I reported the vehicle to the tower, and that made me wonder if I had started my takeoff roll without a clearance. The controller never gave me any indications of any wrongdoing.
Original NASA ASRS Text
Title: ATX PLT INSTRUCTED TO TAXI INTO POS AND HOLD FOR DEP AROUND OTHER ACFT IN RUN-UP AREA. ATX PLT DOES NOT HOLD ON RWY, BUT CONTINUES ON ROLL, UNDER PWR. DELAYED TWR CLRNC RECEIVED FOR DEP, ACFT STILL ON ROLL. AS PLT ROTATES ACFT AND BECOMES AIRBORNE, HE OBSERVES VEHICLE EXITING RWY.
Narrative: GOT CLRNC TO TAXI INTO POS AND HOLD AT AN INTXN. TAXIED AROUND OTHER ACFT ONTO RWY. NEVER CAME TO A COMPLETE STOP. GOT CLRED FOR TKOF WHEN I WAS 1000-2000 FT DOWN THE RWY. AS I ROTATED I SAW AN ARPT VEHICLE PULLING OFF THE RWY APPROX 4000-5000 FT AWAY. I RPTED THE VEHICLE TO THE TWR, AND THAT MADE ME WONDER IF I HAD STARTED MY TKOF ROLL WITHOUT A CLRNC. THE CTLR NEVER GAVE ME ANY INDICATIONS OF ANY WRONGDOING.
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.