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The pilot takes off with data for using the whole runway and later realized he did not use the whole runway length the data was based on.
| Attributes | |
| ACN | 335949 |
| Time | |
| Date | 199605 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sjc |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : takeoff ground other : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 335949 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | non adherence : published procedure non adherence other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
Departing sjc we taxied to the end of the parallel taxiway for runway 12R. Since we thought we were at the end of runway 12R we used data for full length. After departing we realized we had departed intersection of taxiway left rather than full length. Full length is at taxiway M which includes the overrun area. We had data for taxiway left but we used data for full length.
Original NASA ASRS Text
Title: THE PLT TAKES OFF WITH DATA FOR USING THE WHOLE RWY AND LATER REALIZED HE DID NOT USE THE WHOLE RWY LENGTH THE DATA WAS BASED ON.
Narrative: DEPARTING SJC WE TAXIED TO THE END OF THE PARALLEL TXWY FOR RWY 12R. SINCE WE THOUGHT WE WERE AT THE END OF RWY 12R WE USED DATA FOR FULL LENGTH. AFTER DEPARTING WE REALIZED WE HAD DEPARTED INTXN OF TXWY L RATHER THAN FULL LENGTH. FULL LENGTH IS AT TXWY M WHICH INCLUDES THE OVERRUN AREA. WE HAD DATA FOR TXWY L BUT WE USED DATA FOR FULL LENGTH.
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.