B737 captain reported flight deck windows need hydrophobic coating.

Attributes
ACN	1696528
Time
Date	201910
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	IMC
Aircraft 1
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	Landing
Route In Use	Direct
Flight Plan	IFR
Component
Aircraft Component	Rain Repellent System
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 365
Events
Anomaly	Aircraft Equipment Problem Less Severe Inflight Event / Encounter Weather / Turbulence

Narrative:

I have written repeatedly about the boeing 737 and the lack of hydrophobic coating on the windshield. Without it; you cannot see when in moderate and heavy rain. The wipers are completely ineffective. It's that simple. We need the hydrophobic coating. Past responses have indicated that a go-around is always an option; but it really isn't. We frequently operate into ZZZ with fuel for one approach and then off to the alternate due to weight restrictions. Because of that; there's tremendous pressure to get the aircraft into ZZZ on the first try. I am being adamant that the time has come for our airline; boeing; and the FAA to start applying/mandating the use of the hydrophobic coating.

Original NASA ASRS Text

Title: B737 Captain reported flight deck windows need hydrophobic coating.

Narrative: I have written repeatedly about the Boeing 737 and the lack of hydrophobic coating on the windshield. Without it; you cannot see when in moderate and heavy rain. The wipers are completely ineffective. It's that simple. We need the hydrophobic coating. Past responses have indicated that a go-around is always an option; but it really isn't. We frequently operate into ZZZ with fuel for one approach and then off to the alternate due to weight restrictions. Because of that; there's tremendous pressure to get the aircraft into ZZZ on the first try. I am being adamant that the time has come for our airline; Boeing; and the FAA to start applying/mandating the use of the hydrophobic coating.

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.