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PA28 pilot reported that the course deviation indicator (CDI); failed after capturing the glideslope during an instrument approach.
| Attributes | |
| ACN | 1506713 |
| Time | |
| Date | 201712 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PA-28 Cherokee/Archer/Dakota/Pillan/Warrior |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Positional / Directional Sensing |
| Person 1 | |
| Function | Instructor |
| Qualification | Flight Crew Commercial Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 35 Flight Crew Total 3130 Flight Crew Type 2600 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Inflight Event / Encounter CFTT / CFIT |
Narrative:
Number 1 CDI glideslope indicator failed after glideslope capture on IFR approach. Descent below glide path triggered alarm with ATC which advised below glide path. Switched number 2 radio CDI and initiated climb rejoining glide path and continued approach. Note localizer functioned normally.
Original NASA ASRS Text
Title: PA28 pilot reported that the Course Deviation Indicator (CDI); failed after capturing the glideslope during an instrument approach.
Narrative: Number 1 CDI glideslope indicator failed after glideslope capture on IFR approach. Descent below glide path triggered alarm with ATC which advised below glide path. Switched Number 2 radio CDI and initiated climb rejoining glide path and continued approach. Note localizer functioned normally.
Data retrieved from NASA's ASRS site 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.