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After completing their flight an air carrier FK10 flight crew is informed that the tower controller called for them to abort their takeoff 3 times. The flight crew reports hearing an 'open microphone' type of sound, but no instructions.
| Attributes | |
| ACN | 370090 |
| Time | |
| Date | 199705 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dfw |
| State Reference | TX |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 370090 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| ASRS Report | 370085 |
| Events | |
| Anomaly | non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
ATC cleared our flight for takeoff. After rotation, noted an emergency of some sort between runways 17C and our runway 17R. Upon arrival at iah told to contact ATC supervisor at dfw. Told us there was no problem, but ATC issued us an abort clearance 3 times. Of course we never heard anything. There was some mumbled conversation upon reflection during takeoff which sounded like a stuck microphone or a blocked transmission. There was nothing to the effect of increasing voice inflection which you would expect to go along that type of clearance especially the third time. ATC supervisor said there was no conflict, just touching base more or less as food for thought.
Original NASA ASRS Text
Title: AFTER COMPLETING THEIR FLT AN ACR FK10 FLC IS INFORMED THAT THE TWR CTLR CALLED FOR THEM TO ABORT THEIR TKOF 3 TIMES. THE FLC RPTS HEARING AN 'OPEN MIKE' TYPE OF SOUND, BUT NO INSTRUCTIONS.
Narrative: ATC CLRED OUR FLT FOR TKOF. AFTER ROTATION, NOTED AN EMER OF SOME SORT BTWN RWYS 17C AND OUR RWY 17R. UPON ARR AT IAH TOLD TO CONTACT ATC SUPVR AT DFW. TOLD US THERE WAS NO PROB, BUT ATC ISSUED US AN ABORT CLRNC 3 TIMES. OF COURSE WE NEVER HEARD ANYTHING. THERE WAS SOME MUMBLED CONVERSATION UPON REFLECTION DURING TKOF WHICH SOUNDED LIKE A STUCK MIKE OR A BLOCKED XMISSION. THERE WAS NOTHING TO THE EFFECT OF INCREASING VOICE INFLECTION WHICH YOU WOULD EXPECT TO GO ALONG THAT TYPE OF CLRNC ESPECIALLY THE THIRD TIME. ATC SUPVR SAID THERE WAS NO CONFLICT, JUST TOUCHING BASE MORE OR LESS AS FOOD FOR THOUGHT.
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.