Narrative:

Company dispatch filed ATC route differed from route printed on flight release. Rtes diverged at cae. Route loaded in FMC with the original non waters route for A320 -- succeeding aircraft swap caused dispatcher to refile route, again as non waters, though closer to land, under the assumption A321 was restr to 50 NM flight path from land. Crew did not receive new filed flight plan. When flight plans diverged over cae ZTL directed flight to new flight plan with no occurrence or problem, just a flight plan 'mix-up.' pilot missed indications: 1) last min change in fuel load and burn, 2) clearance not available via pre departure clearance, 3) accepted clearance routing 'as filed.'

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Original NASA ASRS Text

Title: AN A321 CREW, WHILE ENRTE, DISCOVERED THE FLT PLAN THEY WERE FLYING WAS NOT THE FLT PLAN THAT COMPANY HAD FILED.

Narrative: COMPANY DISPATCH FILED ATC RTE DIFFERED FROM RTE PRINTED ON FLT RELEASE. RTES DIVERGED AT CAE. RTE LOADED IN FMC WITH THE ORIGINAL NON WATERS RTE FOR A320 -- SUCCEEDING ACFT SWAP CAUSED DISPATCHER TO REFILE RTE, AGAIN AS NON WATERS, THOUGH CLOSER TO LAND, UNDER THE ASSUMPTION A321 WAS RESTR TO 50 NM FLT PATH FROM LAND. CREW DID NOT RECEIVE NEW FILED FLT PLAN. WHEN FLT PLANS DIVERGED OVER CAE ZTL DIRECTED FLT TO NEW FLT PLAN WITH NO OCCURRENCE OR PROB, JUST A FLT PLAN 'MIX-UP.' PLT MISSED INDICATIONS: 1) LAST MIN CHANGE IN FUEL LOAD AND BURN, 2) CLRNC NOT AVAILABLE VIA PDC, 3) ACCEPTED CLRNC ROUTING 'AS FILED.'

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.