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A B777 captain reported the rain repellent/windshield wiper system was inadequate to provide appropriate visibility during an approach in moderate rain.
| Attributes | |
| ACN | 912864 |
| Time | |
| Date | 201010 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | EGTT.TRACON |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Windshield Wiper System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 240 Flight Crew Total 19500 Flight Crew Type 4000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
On approach to lhr we encountered moderate rain fall. Once again the windshields on the B777 do not shed the water. The windows go opaque as the rain adheres to the surface. It reduces visibility to the point where you have to look out at a corner of the window where the wipers have cut a path. And even then the wipers perform marginally. These approaches and taxiing with limited visibility due to rain repellent failure is not getting any better. The solution here is to reapply this repellent and give us our windows back. This not a safe condition.
Original NASA ASRS Text
Title: A B777 Captain reported the rain repellent/windshield wiper system was inadequate to provide appropriate visibility during an approach in moderate rain.
Narrative: On approach to LHR we encountered moderate rain fall. Once again the windshields on the B777 do not shed the water. The windows go opaque as the rain adheres to the surface. It reduces visibility to the point where you have to look out at a corner of the window where the wipers have cut a path. And even then the wipers perform marginally. These approaches and taxiing with limited visibility due to rain repellent failure is not getting any better. The solution here is to reapply this repellent and give us our windows back. This not a safe condition.
Data retrieved from NASA's ASRS site as of April 2012 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.