ERJ170 captain reports the flight planning software used by his company does not consider the entire...

Narrative:

We were filed by dispatch for and received clearance for the Shnon2 arrival into iad; but dispatch didn't plan fully for the fuel burn. The fuel planning stopped at elisn; with a burn from elisn to iad of 17 pounds. It doesn't matter whether iad is landing north or south; at elisn there is a turn north or south to either mikej or mattc; that shouldn't be that hard to figure out. The actual burn for us from elisn to iad was 350 pounds. The total burn figured on the release was 9;825 pounds but the actual burn was 10;415 pounds because of all of the early descents given by ATC that are not figured in by dispatch. If we would have taken off with min fuel; we would have landed with 1;630 pounds of fuel; less than emergency fuel.

Original NASA ASRS Text

Title: ERJ170 Captain reports the flight planning software used by his company does not consider the entire arrival route and normal delays at large busy airports. The reporter routinely adds extra fuel for these flights.

Narrative: We were filed by Dispatch for and received clearance for the Shnon2 arrival into IAD; but Dispatch didn't plan fully for the fuel burn. The fuel planning stopped at ELISN; with a burn from ELISN to IAD of 17 LBS. It doesn't matter whether IAD is landing north or south; at ELISN there is a turn north or south to either MIKEJ or MATTC; that shouldn't be that hard to figure out. The actual burn for us from ELISN to IAD was 350 LBS. The total burn figured on the release was 9;825 LBS but the actual burn was 10;415 LBS because of all of the early descents given by ATC that are not figured in by Dispatch. If we would have taken off with min fuel; we would have landed with 1;630 LBS of fuel; less than emergency fuel.

Data retrieved from NASA's ASRS site as of July 2013 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.

Attributes
ACN	987600
Time
Date	201201
Local Time Of Day	0001-0600
Place
Locale Reference	IAD.Airport
State Reference	DC
Aircraft 1
Make Model Name	EMB ERJ 170/175 ER/LR
Operating Under FAR Part	Part 121
Flight Phase	Descent
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Deviation - Procedural FAR Deviation - Procedural Published Material / Policy Inflight Event / Encounter Fuel Issue

ERJ170 captain reports the flight planning software used by his company does not consider the entire arrival route and normal delays at large busy airports. The reporter routinely adds extra fuel for these flights.