<< >> NASA ASRS Report 162106, November 1990

Multiple weight and balance reports were received while taxiing. Flight crew questioned validity of the ACARS print outs. Weight and balance was for another flight.

Attributes
ACN	162106
Time
Date	199011
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : mco
State Reference	FL
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : instrument pilot : commercial
Experience	flight time last 90 days : 140 flight time total : 7750 flight time type : 750
ASRS Report	162106
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : commercial pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

We received final weight and balance just prior to pushback from gate at orlando. While taxiing to runway 18R we received three more weight and balance sheets via aircraft ACARS printer, the last of which varied considerably from correct passenger count. Closer scrutiny and questioning by the captain revealed this computer weight and balance was for the same aircraft, but for a flight originating in boston. This type of scenario could easily result in use of improper v-spds and stabilizer trim settings.

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Original NASA ASRS Text

Title: MULTIPLE WEIGHT AND BALANCE REPORTS WERE RECEIVED WHILE TAXIING. FLC QUESTIONED VALIDITY OF THE ACARS PRINT OUTS. WEIGHT AND BALANCE WAS FOR ANOTHER FLT.

Narrative: WE RECEIVED FINAL WEIGHT AND BALANCE JUST PRIOR TO PUSHBACK FROM GATE AT ORLANDO. WHILE TAXIING TO RWY 18R WE RECEIVED THREE MORE WEIGHT AND BALANCE SHEETS VIA ACFT ACARS PRINTER, THE LAST OF WHICH VARIED CONSIDERABLY FROM CORRECT PAX COUNT. CLOSER SCRUTINY AND QUESTIONING BY THE CAPT REVEALED THIS COMPUTER WEIGHT AND BALANCE WAS FOR THE SAME ACFT, BUT FOR A FLT ORIGINATING IN BOSTON. THIS TYPE OF SCENARIO COULD EASILY RESULT IN USE OF IMPROPER V-SPDS AND STABILIZER TRIM SETTINGS.

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.