Ever lose your airspeed in flight? The nylon lines held in the “push-grip” fittings must have some flexibility in them so they aren’t pulled out, as in this case. An aircraft is a really high-vibration environment, and anything that can come loose will, most likely at a very inopportune time.
![[Credit: Wikimedia Commons]](https://www.kitplanes.com/wp-content/uploads/2026/07/4_rutan_a_longez.jpg_preview.jpg?w=218&h=150&crop=1 "Rutan Symposium Turns to the Coming Canard Maintenance Crisis")
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/02/Fuel-Selector.jpg?w=218&h=150&crop=1 "Fuel Follies")
These push fittings look like a bad idea for something important like a pitot tube. I don’t even like using them for my RO system under my kitchen sink.
Me thinks it would be smart to use a more robust fitting on a plane.
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