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Captain of a DC9-33 was on the wrong heading due to following a false navigation autoplt lock during departure climb out.
| Attributes | |
| ACN | 474621 |
| Time | |
| Date | 200006 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : msp.airport |
| State Reference | MN |
| Altitude | msl single value : 19000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zmp.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 30 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other vortac |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : n/s |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 220 flight time total : 4800 flight time type : 1600 |
| ASRS Report | 474621 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 190 flight time total : 9300 flight time type : 1200 |
| ASRS Report | 474620 |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : provided flight assist controller : issued alert flight crew : returned to intended or assigned course other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
False navigation lock caused us to bear 180 degrees rather than 120 degrees as filed. ZMP noted the error and we reset the NAVAID.
Original NASA ASRS Text
Title: CAPT OF A DC9-33 WAS ON THE WRONG HDG DUE TO FOLLOWING A FALSE NAV AUTOPLT LOCK DURING DEP CLBOUT.
Narrative: FALSE NAV LOCK CAUSED US TO BEAR 180 DEGS RATHER THAN 120 DEGS AS FILED. ZMP NOTED THE ERROR AND WE RESET THE NAVAID.
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.