B737Theory - Inlet Cowl Thermal Anti Ice The engine inlet is protected against ice buildup by the Inlet Cowl Thermal Anti Ice (ICTAI) system. The system is used as an “anti-ice” system
![boeing 737 - Why are some parts of the wings not protected by the wing anti-ice system in the B737? - Aviation Stack Exchange boeing 737 - Why are some parts of the wings not protected by the wing anti-ice system in the B737? - Aviation Stack Exchange](https://i.stack.imgur.com/hG1Qv.png)
boeing 737 - Why are some parts of the wings not protected by the wing anti-ice system in the B737? - Aviation Stack Exchange
![Why can't jet aircraft use their own anti icing systems prior and while taking off and they have to use the anti icing fluids instead? - Quora Why can't jet aircraft use their own anti icing systems prior and while taking off and they have to use the anti icing fluids instead? - Quora](https://qph.cf2.quoracdn.net/main-qimg-c3fc9188882b4efcc799ce4635502d61.webp)
Why can't jet aircraft use their own anti icing systems prior and while taking off and they have to use the anti icing fluids instead? - Quora
![High bypass turbofan engine and anti-icing system performance: Mass flow rate of anti-icing bleed air system effect - ScienceDirect High bypass turbofan engine and anti-icing system performance: Mass flow rate of anti-icing bleed air system effect - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2214157X23002332-gr1.jpg)