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Critical ground conflict occurs as a C340 pilot performs an unauthorized takeoff on an occupied runway and then fails to make a mid speed abort when directed by the controller at poc, ca.
| Attributes | |
| ACN | 548771 |
| Time | |
| Date | 200205 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : poc.airport |
| State Reference | CA |
| Altitude | msl single value : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : poc.tower |
| Operator | general aviation : personal |
| Make Model Name | Cessna 340/340A |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : poc.tower |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | landing : roll |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : multi engine pilot : instrument |
| Experience | flight time last 90 days : 90 flight time total : 10100 |
| ASRS Report | 548771 |
| Person 2 | |
| Function | flight crew : single pilot |
| Events | |
| Anomaly | aircraft equipment problem : less severe conflict : ground critical incursion : runway non adherence : far non adherence : clearance non adherence : required legal separation other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued alert none taken : insufficient time |
| Miss Distance | horizontal : 150 vertical : 100 |
| Supplementary | |
| Problem Areas | ATC Human Performance Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I was #1 for takeoff on runway 26L. Tower advised me to taxi into position and hold, which I did. I then got distraction by an alternator light out light coming on. I started running the engines up to see if the alternator would come on-line. I then thought I had been cleared to take off and I started my takeoff roll. As I reached about 80 KTS, the tower advised to stop as there was another aircraft that had just landed exiting the runway. I felt that it would be hazardous to fly and stop, so I lifted off. The other aircraft was completely clear when I reached the taxiway they were on. I was about 100 ft in the air. In the future, I need to pay attention to controller instructions and not be distraction by minor mechanical problems.
Original NASA ASRS Text
Title: CRITICAL GND CONFLICT OCCURS AS A C340 PLT PERFORMS AN UNAUTH TKOF ON AN OCCUPIED RWY AND THEN FAILS TO MAKE A MID SPD ABORT WHEN DIRECTED BY THE CTLR AT POC, CA.
Narrative: I WAS #1 FOR TKOF ON RWY 26L. TWR ADVISED ME TO TAXI INTO POS AND HOLD, WHICH I DID. I THEN GOT DISTR BY AN ALTERNATOR LIGHT OUT LIGHT COMING ON. I STARTED RUNNING THE ENGS UP TO SEE IF THE ALTERNATOR WOULD COME ON-LINE. I THEN THOUGHT I HAD BEEN CLRED TO TAKE OFF AND I STARTED MY TKOF ROLL. AS I REACHED ABOUT 80 KTS, THE TWR ADVISED TO STOP AS THERE WAS ANOTHER ACFT THAT HAD JUST LANDED EXITING THE RWY. I FELT THAT IT WOULD BE HAZARDOUS TO FLY AND STOP, SO I LIFTED OFF. THE OTHER ACFT WAS COMPLETELY CLR WHEN I REACHED THE TXWY THEY WERE ON. I WAS ABOUT 100 FT IN THE AIR. IN THE FUTURE, I NEED TO PAY ATTN TO CTLR INSTRUCTIONS AND NOT BE DISTR BY MINOR MECHANICAL PROBS.
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.