A passenger is thrown off balance when the captain of a dhc-8 has to use the emergency brakes to stop the aircraft at the gate after the first officer had turned off the power to the normal braking at clt, nc.

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Attributes
ACN	562936
Time
Date	200210
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : clt.airport
State Reference	NC
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : det.tower
Operator	common carrier : air carrier
Make Model Name	Dash 8 Series Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : multi engine pilot : instrument
Experience	flight time last 90 days : 220 flight time total : 5300 flight time type : 3500
ASRS Report	562936
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical cabin event other conflict : ground critical ground encounters other non adherence : company policies non adherence : published procedure other anomaly other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : regained aircraft control other
Consequence	other other
Supplementary
Problem Areas	Aircraft Company Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

We were pulling into our gate with the #1 engine shut down. We had to stop a few ft short of our spot to wait for a catering truck to move. I was aware that we weren't on our spot, but my first officer thought we were done taxiing. He began to run his shutdown flow but I did not know this. His flow includes turning off the seatbelt sign and turning off the #2 AC generator. With the #1 engine shut down, this action takes the power from the standby hydraulic pumps that were pwring my brakes. So when the marshaler signaled us to continue taxiing, there were passenger beginning to stand up and I had no brakes. I was still unaware of this. I released the parking brake, realized I had no brakes, and was forced to use the emergency brake. That is when the first officer told us he had started his flow and thought we were done taxiing. We came to an abrupt stop and one of the passenger fell. He seemed to be ok, but I imagine he was shaken up. There was a communication failure to say the least.

Original NASA ASRS Text

Title: A PAX IS THROWN OFF BAL WHEN THE CAPT OF A DHC-8 HAS TO USE THE EMER BRAKES TO STOP THE ACFT AT THE GATE AFTER THE FO HAD TURNED OFF THE PWR TO THE NORMAL BRAKING AT CLT, NC.

Narrative: WE WERE PULLING INTO OUR GATE WITH THE #1 ENG SHUT DOWN. WE HAD TO STOP A FEW FT SHORT OF OUR SPOT TO WAIT FOR A CATERING TRUCK TO MOVE. I WAS AWARE THAT WE WEREN'T ON OUR SPOT, BUT MY FO THOUGHT WE WERE DONE TAXIING. HE BEGAN TO RUN HIS SHUTDOWN FLOW BUT I DID NOT KNOW THIS. HIS FLOW INCLUDES TURNING OFF THE SEATBELT SIGN AND TURNING OFF THE #2 AC GENERATOR. WITH THE #1 ENG SHUT DOWN, THIS ACTION TAKES THE PWR FROM THE STANDBY HYD PUMPS THAT WERE PWRING MY BRAKES. SO WHEN THE MARSHALER SIGNALED US TO CONTINUE TAXIING, THERE WERE PAX BEGINNING TO STAND UP AND I HAD NO BRAKES. I WAS STILL UNAWARE OF THIS. I RELEASED THE PARKING BRAKE, REALIZED I HAD NO BRAKES, AND WAS FORCED TO USE THE EMER BRAKE. THAT IS WHEN THE FO TOLD US HE HAD STARTED HIS FLOW AND THOUGHT WE WERE DONE TAXIING. WE CAME TO AN ABRUPT STOP AND ONE OF THE PAX FELL. HE SEEMED TO BE OK, BUT I IMAGINE HE WAS SHAKEN UP. THERE WAS A COM FAILURE TO SAY THE LEAST.

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.