The Federal Aviation Administration has ordered airlines to test cabin altitude pressure switches in all Boeing 737s, saying some operators have reported that both switches on several aircraft had ...

Using dry nitrogen to pressure test a system is a very effective method of verifying a system is leak-free. In fact, I believe it is more reliable than using a standing vacuum test typically performed ...

The Federal Aviation Administration on Thursday issued a directive to operators of all Boeing 737 series airplanes to conduct inspections to address possible failures of cabin altitude pressure ...

The 3130 digital pressure calibrator contains everything needed to generate, control, and measure pressure, as well as read the output of the device under test. It includes an onboard pressure sensor ...