Large transport took off with 147 passenger on board rather than 101 as stated in weight and balance...

Attributes
ACN	221553
Time
Date	199209
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : dca
State Reference	DC
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : dca tower : dfw
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : takeoff ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : instrument pilot : flight engineer
Experience	flight time last 90 days : 100 flight time total : 15000 flight time type : 4500
ASRS Report	221553
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : far
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:

During a rushed hurry up departure from the gate the agent gave the so a slip stating we had 101 passenger on board. During takeoff (holey) the copilot said the takeoff felt funny -- slow getting off the ground and he added a little power to maximum at time. Only during climb did we happen to find out that there were 147 passenger on board not 101, a 6500 pound difference 3K V1 vr. Had I known actual weight, I would have used 25 degrees flaps not 15 degrees. Did not make a big deal out of this as I didn't want to get agent fired, but on landing I did call back to dca and raised a little hell with chief agent who immediately talked to agent who worked trip. Our procedures are supposed to avoid this as senior flight attendant said she did tell agent 147 on board before she closed door. Could have been dangerous had we been heavier or over legal takeoff limits.

Original NASA ASRS Text

Title: LGT TOOK OFF WITH 147 PAX ON BOARD RATHER THAN 101 AS STATED IN WT AND BAL.

Narrative: DURING A RUSHED HURRY UP DEP FROM THE GATE THE AGENT GAVE THE SO A SLIP STATING WE HAD 101 PAX ON BOARD. DURING TKOF (HOLEY) THE COPLT SAID THE TKOF FELT FUNNY -- SLOW GETTING OFF THE GND AND HE ADDED A LITTLE PWR TO MAX AT TIME. ONLY DURING CLB DID WE HAPPEN TO FIND OUT THAT THERE WERE 147 PAX ON BOARD NOT 101, A 6500 POUND DIFFERENCE 3K V1 VR. HAD I KNOWN ACTUAL WT, I WOULD HAVE USED 25 DEGS FLAPS NOT 15 DEGS. DID NOT MAKE A BIG DEAL OUT OF THIS AS I DIDN'T WANT TO GET AGENT FIRED, BUT ON LNDG I DID CALL BACK TO DCA AND RAISED A LITTLE HELL WITH CHIEF AGENT WHO IMMEDIATELY TALKED TO AGENT WHO WORKED TRIP. OUR PROCS ARE SUPPOSED TO AVOID THIS AS SENIOR FLT ATTENDANT SAID SHE DID TELL AGENT 147 ON BOARD BEFORE SHE CLOSED DOOR. COULD HAVE BEEN DANGEROUS HAD WE BEEN HEAVIER OR OVER LEGAL TKOF LIMITS.

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.