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Flight crew of an air carrier medium large transport aircraft takeoff at a runway intersection with no approved required takeoff length data.
| Attributes | |
| ACN | 311240 |
| Time | |
| Date | 199507 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bos |
| State Reference | MA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| 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 : flight engineer pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 175 flight time total : 12000 flight time type : 4000 |
| ASRS Report | 311240 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | non adherence other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
Departure runway 9 at bos, temperature 72 degrees F, gross takeoff weight 117000 pounds. We mistakenly took the active runway at intersection west rather than at the end. This resulted in 500 ft less runway available than full length. At that gross weight, the 6500 ft remaining was more than adequate for the departure but, after takeoff, we realized we did not have performance charts reflecting intersection west data. I made the mistake of assuming we would have data for all intxns that would allow a safe operation.
Original NASA ASRS Text
Title: FLC OF AN ACR MLG ACFT TKOF AT A RWY INTXN WITH NO APPROVED REQUIRED TKOF LENGTH DATA.
Narrative: DEP RWY 9 AT BOS, TEMP 72 DEGS F, GROSS TKOF WT 117000 LBS. WE MISTAKENLY TOOK THE ACTIVE RWY AT INTXN W RATHER THAN AT THE END. THIS RESULTED IN 500 FT LESS RWY AVAILABLE THAN FULL LENGTH. AT THAT GROSS WT, THE 6500 FT REMAINING WAS MORE THAN ADEQUATE FOR THE DEP BUT, AFTER TKOF, WE REALIZED WE DID NOT HAVE PERFORMANCE CHARTS REFLECTING INTXN W DATA. I MADE THE MISTAKE OF ASSUMING WE WOULD HAVE DATA FOR ALL INTXNS THAT WOULD ALLOW A SAFE OP.
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.