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Flight crew of a super MD80 noticed that they were not following their clearance flight plan routing, but did not correct their course since it would eventually converge with their cleared routing and ARTCC controller had not brought the error to their attention.
| Attributes | |
| ACN | 423030 |
| Time | |
| Date | 199812 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : lit |
| State Reference | AR |
| Altitude | msl bound lower : 31000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zme |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 423030 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Location: lit 064 degree radial 115 DME. Filed route was over bwg arg fsm byp. Didn't notice that the difference from the usual bwg lit until 100 mi east of lit. ATC never challenged us about being off course. We were about to admit the mistake to ZME when they said confirm you are flying lit then byp arrival. We responded to the affirmative. Nothing further was said. No excuse -- looked at the first few points and through inattn didn't see the actual route.
Original NASA ASRS Text
Title: FLC OF A SUPER MD80 NOTICED THAT THEY WERE NOT FOLLOWING THEIR CLRNC FLT PLAN ROUTING, BUT DID NOT CORRECT THEIR COURSE SINCE IT WOULD EVENTUALLY CONVERGE WITH THEIR CLRED ROUTING AND ARTCC CTLR HAD NOT BROUGHT THE ERROR TO THEIR ATTN.
Narrative: LOCATION: LIT 064 DEG RADIAL 115 DME. FILED RTE WAS OVER BWG ARG FSM BYP. DIDN'T NOTICE THAT THE DIFFERENCE FROM THE USUAL BWG LIT UNTIL 100 MI E OF LIT. ATC NEVER CHALLENGED US ABOUT BEING OFF COURSE. WE WERE ABOUT TO ADMIT THE MISTAKE TO ZME WHEN THEY SAID CONFIRM YOU ARE FLYING LIT THEN BYP ARR. WE RESPONDED TO THE AFFIRMATIVE. NOTHING FURTHER WAS SAID. NO EXCUSE -- LOOKED AT THE FIRST FEW POINTS AND THROUGH INATTN DIDN'T SEE THE ACTUAL RTE.
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.