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PIC of an medium large transport in an early am ramp operation ramp departure procedure, releases parking brake prematurely and hits tow bar. Aircraft damaged.
| Attributes | |
| ACN | 349301 |
| Time | |
| Date | 199610 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : iad |
| State Reference | VA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | IMC |
| Light | Dawn |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | ground : preflight ground other : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : commercial pilot : atp pilot : instrument pilot : flight engineer |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 400 |
| ASRS Report | 349301 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : ground critical non adherence : published procedure other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | none taken : insufficient time |
| Consequence | other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
After a normal pushback and engine start at iad, which was dark and misty at XX30 am, oct/xx/96. I was watching the second engine complete the start cycle when the captain released the brakes early and the aircraft rolled forward just enough to impact the tow bar. A hydraulic cap at the bottom of the nose gear was damaged and the aircraft was towed back to the gate. No one was injured.
Original NASA ASRS Text
Title: PIC OF AN MLG IN AN EARLY AM RAMP OP RAMP DEP PROC, RELEASES PARKING BRAKE PREMATURELY AND HITS TOW BAR. ACFT DAMAGED.
Narrative: AFTER A NORMAL PUSHBACK AND ENG START AT IAD, WHICH WAS DARK AND MISTY AT XX30 AM, OCT/XX/96. I WAS WATCHING THE SECOND ENG COMPLETE THE START CYCLE WHEN THE CAPT RELEASED THE BRAKES EARLY AND THE ACFT ROLLED FORWARD JUST ENOUGH TO IMPACT THE TOW BAR. A HYD CAP AT THE BOTTOM OF THE NOSE GEAR WAS DAMAGED AND THE ACFT WAS TOWED BACK TO THE GATE. NO ONE WAS INJURED.
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.