Narrative:

Company generated computer flight plan routing line contained a fix 'carfi' while the body of the flight plan called the same fix 'carac.' this FMS would not accept 'carfi' but would accept 'carac,' the correct name from the appropriate chart. The routing line is supposed to be the filed information. The body contains information necessary to accomplish the filed routing. This is a computer generated product. Such a difference/discrepancy should not be possible. Pilots are responsible for everything but modern air carrier operations are a team effort. Pilot are unable to check that everything they receive agrees with the source documents. The solution is to have all filed routings checked against a certified database, and to link the routing and body of the flight plan so that it is impossible to change one without the other.

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Original NASA ASRS Text

Title: A B767 FLC ATTEMPTED TO LOAD THE RTE INTO THE FMC AND DISCOVERED AN INCORRECTLY NAMED WAYPOINT.

Narrative: COMPANY GENERATED COMPUTER FLT PLAN ROUTING LINE CONTAINED A FIX 'CARFI' WHILE THE BODY OF THE FLT PLAN CALLED THE SAME FIX 'CARAC.' THIS FMS WOULD NOT ACCEPT 'CARFI' BUT WOULD ACCEPT 'CARAC,' THE CORRECT NAME FROM THE APPROPRIATE CHART. THE ROUTING LINE IS SUPPOSED TO BE THE FILED INFO. THE BODY CONTAINS INFO NECESSARY TO ACCOMPLISH THE FILED ROUTING. THIS IS A COMPUTER GENERATED PRODUCT. SUCH A DIFFERENCE/DISCREPANCY SHOULD NOT BE POSSIBLE. PLTS ARE RESPONSIBLE FOR EVERYTHING BUT MODERN ACR OPS ARE A TEAM EFFORT. PLT ARE UNABLE TO CHK THAT EVERYTHING THEY RECEIVE AGREES WITH THE SOURCE DOCUMENTS. THE SOLUTION IS TO HAVE ALL FILED ROUTINGS CHKED AGAINST A CERTIFIED DATABASE, AND TO LINK THE ROUTING AND BODY OF THE FLT PLAN SO THAT IT IS IMPOSSIBLE TO CHANGE ONE WITHOUT THE OTHER.

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.