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Captain's CDI malfunctions during an arrival (STAR) causing flight crew to make unauthorized 90 degree turns.
| Attributes | |
| ACN | 291388 |
| Time | |
| Date | 199412 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : cce |
| State Reference | FL |
| Altitude | msl bound lower : 13000 msl bound upper : 13000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mia |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | arrival other arrival star : star |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 6000 flight time type : 300 |
| ASRS Report | 291388 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : clearance other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
While on collier arrival, captain navigation CDI twice centered while on collier frequency 108.6. On second occurrence tapped CDI and went full deflection until actual intercept. Had captain CDI inspected mia found loose plug. 2 90 degree turns happened because of faulty readings.
Original NASA ASRS Text
Title: CAPT'S CDI MALFUNCTIONS DURING AN ARR (STAR) CAUSING FLC TO MAKE UNAUTH 90 DEG TURNS.
Narrative: WHILE ON COLLIER ARR, CAPT NAV CDI TWICE CTRED WHILE ON COLLIER FREQ 108.6. ON SECOND OCCURRENCE TAPPED CDI AND WENT FULL DEFLECTION UNTIL ACTUAL INTERCEPT. HAD CAPT CDI INSPECTED MIA FOUND LOOSE PLUG. 2 90 DEG TURNS HAPPENED BECAUSE OF FAULTY READINGS.
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.