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A beech F90 flight crew takes off without clrncand creates a potential conflict scenario for the controller at cak, oh.
| Attributes | |
| ACN | 499012 |
| Time | |
| Date | 200106 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : cak.airport |
| State Reference | OH |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Weather Elements | other |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : cak.tower |
| Operator | common carrier : air taxi |
| Make Model Name | Beech 1900 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : takeoff |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 6000 flight time type : 40 |
| ASRS Report | 499012 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : commercial pilot : multi engine pilot : instrument |
| Experience | flight time last 90 days : 168 flight time total : 2950 flight time type : 25 |
| ASRS Report | 498158 |
| Events | |
| Anomaly | aircraft equipment problem : less severe conflict : ground less severe incursion : runway non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance controller : separated traffic flight crew : executed go around |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft Passenger Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Tower apparently cleared us into position and hold runway 23 at cak. Both the captain (acting PIC) and I thought we heard 'cleared for takeoff.' apparently, there was another aircraft on a practice ILS to runway 19 to a low approach. As we were on our takeoff roll, I heard the tower controller comment to the other aircraft that he appeared to be well east of course. Then as we were about to rotate, we heard him to the effect that we had not been cleared for takeoff. It was too late to do anything about it, as we reached rotate speed about the time he finished the sentence. We then heard him issue the other aircraft a go around with a climbing turn to the east. We spoke to one of the supervisors when we reached our destination and, thankfully, no loss of separation occurred. We were on an overnight trip, however, I was well rested with about 7 hours of sleep that night and no remaining sleep deficit. However, both of us were distraction as we took the runway. The knob to adjust my sun visor had broken off previously, and consequently any adjustments had to be made with a dime into a slot screw to move it around, as I had to do for that takeoff. I ended up dropping the dime on the floor and searching like mad to get it before takeoff. The captain had turned around I believe to answer a last min question from a passenger. When each of us was done, we commenced the takeoff roll after our line-up checks. I believe that since each of us was distraction, we both thought the other was paying attention to ATC, and since no one questioned the lack of clearance, we each assumed the other one 'heard' it.
Original NASA ASRS Text
Title: A BEECH F90 FLC TAKES OFF WITHOUT CLRNCAND CREATES A POTENTIAL CONFLICT SCENARIO FOR THE CTLR AT CAK, OH.
Narrative: TWR APPARENTLY CLRED US INTO POS AND HOLD RWY 23 AT CAK. BOTH THE CAPT (ACTING PIC) AND I THOUGHT WE HEARD 'CLRED FOR TKOF.' APPARENTLY, THERE WAS ANOTHER ACFT ON A PRACTICE ILS TO RWY 19 TO A LOW APCH. AS WE WERE ON OUR TKOF ROLL, I HEARD THE TWR CTLR COMMENT TO THE OTHER ACFT THAT HE APPEARED TO BE WELL E OF COURSE. THEN AS WE WERE ABOUT TO ROTATE, WE HEARD HIM TO THE EFFECT THAT WE HAD NOT BEEN CLRED FOR TKOF. IT WAS TOO LATE TO DO ANYTHING ABOUT IT, AS WE REACHED ROTATE SPD ABOUT THE TIME HE FINISHED THE SENTENCE. WE THEN HEARD HIM ISSUE THE OTHER ACFT A GAR WITH A CLBING TURN TO THE E. WE SPOKE TO ONE OF THE SUPVRS WHEN WE REACHED OUR DEST AND, THANKFULLY, NO LOSS OF SEPARATION OCCURRED. WE WERE ON AN OVERNIGHT TRIP, HOWEVER, I WAS WELL RESTED WITH ABOUT 7 HRS OF SLEEP THAT NIGHT AND NO REMAINING SLEEP DEFICIT. HOWEVER, BOTH OF US WERE DISTR AS WE TOOK THE RWY. THE KNOB TO ADJUST MY SUN VISOR HAD BROKEN OFF PREVIOUSLY, AND CONSEQUENTLY ANY ADJUSTMENTS HAD TO BE MADE WITH A DIME INTO A SLOT SCREW TO MOVE IT AROUND, AS I HAD TO DO FOR THAT TKOF. I ENDED UP DROPPING THE DIME ON THE FLOOR AND SEARCHING LIKE MAD TO GET IT BEFORE TKOF. THE CAPT HAD TURNED AROUND I BELIEVE TO ANSWER A LAST MIN QUESTION FROM A PAX. WHEN EACH OF US WAS DONE, WE COMMENCED THE TKOF ROLL AFTER OUR LINE-UP CHKS. I BELIEVE THAT SINCE EACH OF US WAS DISTR, WE BOTH THOUGHT THE OTHER WAS PAYING ATTN TO ATC, AND SINCE NO ONE QUESTIONED THE LACK OF CLRNC, WE EACH ASSUMED THE OTHER ONE 'HEARD' IT.
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.