<< >> NASA ASRS Report 584525, June 2003

Air carrier dispatcher used the air carrier performance computer to calculate allowable gross weight at msy that was 20 ft in error.

Attributes
ACN	584525
Time
Date	200306
Day	Sat
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : msy.airport
State Reference	LA
Altitude	agl single value : 0
Environment
Flight Conditions	Marginal
Aircraft 1
Controlling Facilities	tower : ord.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	other personnel
ASRS Report	584525
Events
Anomaly	non adherence : far non adherence : published procedure other anomaly other
Independent Detector	other other : 1
Resolutory Action	none taken : detected after the fact
Consequence	other
Supplementary
Problem Areas	Company
Primary Problem	Company

Narrative:

Msy NOTAM reflects 774 ft east end of runway 10/28 closed. Performance weights in performance computer reflected 9350 ft available when actually 9330 ft is available. Error caught on this flight for this day. It is possible I had other flts planned using the 9350 ft value on days I worked while this construction project is going on at msy. Days I worked msy, at my desk, include may/wed/03, jun/tue/03, jun/wed/093, jun/fri/03 and today jun/sat/03. Another flight included for today is flight XXXX msy to ZZZ.

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Original NASA ASRS Text

Title: ACR DISPATCHER USED THE ACR PERFORMANCE COMPUTER TO CALCULATE ALLOWABLE GROSS WT AT MSY THAT WAS 20 FT IN ERROR.

Narrative: MSY NOTAM REFLECTS 774 FT E END OF RWY 10/28 CLOSED. PERFORMANCE WTS IN PERFORMANCE COMPUTER REFLECTED 9350 FT AVAILABLE WHEN ACTUALLY 9330 FT IS AVAILABLE. ERROR CAUGHT ON THIS FLT FOR THIS DAY. IT IS POSSIBLE I HAD OTHER FLTS PLANNED USING THE 9350 FT VALUE ON DAYS I WORKED WHILE THIS CONSTRUCTION PROJECT IS GOING ON AT MSY. DAYS I WORKED MSY, AT MY DESK, INCLUDE MAY/WED/03, JUN/TUE/03, JUN/WED/093, JUN/FRI/03 AND TODAY JUN/SAT/03. ANOTHER FLT INCLUDED FOR TODAY IS FLT XXXX MSY TO ZZZ.

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.