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An A320 captain prior to departure from den, released the parking brake prematurely without the ground crew's concurrence.
| Attributes | |
| ACN | 520572 |
| Time | |
| Date | 200108 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : den.airport |
| State Reference | CO |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : lax.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 175 flight time total : 13000 flight time type : 1995 |
| ASRS Report | 520572 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | non adherence : published procedure non adherence : company policies other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | other |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
In my haste to secure an on-time departure, I prematurely released the parking brake without the pushback mechanic's concurrence. When I called him on the interphone to release the brakes I was expecting his answer to be yes but his response was not until pushback clearance was received. I delayed our departure just a few mins to accommodate some non revenue employee travelers against the agent's wishes. This brake release early occurred because I was trying to secure an on-time departure while filling up all the seats. I could have better utilized my resources to prevent this situation. At no time did the aircraft move prematurely and I immediately set the parking brake when I realized my error. I believe shortcutting SOP's is never worth it to save time and I won't allow myself to be in this hurry up mode again during pushback.
Original NASA ASRS Text
Title: AN A320 CAPT PRIOR TO DEP FROM DEN, RELEASED THE PARKING BRAKE PREMATURELY WITHOUT THE GND CREW'S CONCURRENCE.
Narrative: IN MY HASTE TO SECURE AN ON-TIME DEP, I PREMATURELY RELEASED THE PARKING BRAKE WITHOUT THE PUSHBACK MECH'S CONCURRENCE. WHEN I CALLED HIM ON THE INTERPHONE TO RELEASE THE BRAKES I WAS EXPECTING HIS ANSWER TO BE YES BUT HIS RESPONSE WAS NOT UNTIL PUSHBACK CLRNC WAS RECEIVED. I DELAYED OUR DEP JUST A FEW MINS TO ACCOMMODATE SOME NON REVENUE EMPLOYEE TRAVELERS AGAINST THE AGENT'S WISHES. THIS BRAKE RELEASE EARLY OCCURRED BECAUSE I WAS TRYING TO SECURE AN ON-TIME DEP WHILE FILLING UP ALL THE SEATS. I COULD HAVE BETTER UTILIZED MY RESOURCES TO PREVENT THIS SIT. AT NO TIME DID THE ACFT MOVE PREMATURELY AND I IMMEDIATELY SET THE PARKING BRAKE WHEN I REALIZED MY ERROR. I BELIEVE SHORTCUTTING SOP'S IS NEVER WORTH IT TO SAVE TIME AND I WON'T ALLOW MYSELF TO BE IN THIS HURRY UP MODE AGAIN DURING PUSHBACK.
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.