pressurization

This particular set of plumbing feeds gaseous hydrogen (tapped off the SSMEs, I believe - not 100 percent sure where the tap-off point is as I write this) back into the External Tank's liquid hydrogen tank during ascent, to maintain pressurization of the tank.

Another Launch Delay for STS-119 - NASA Watch 2009

If the pilots forget to turn on the cabin pressurization system, it automatically adds enough air so that the crew can safely fly the jet.

Final flight 1999

The interior of the fuselage was subjected to varying hydraulic pressures to simulate the changing effects of cabin pressurization during flight, while at the same time the wings were mechanically flexed to reproduce what is technically known as "gust loading."

The Farnborough Show 1954

The current model in production, 737NG, uses a different lap-joint configuration to fasten parts of the fuselage skin that limits the joints' bending during pressurization, which is what leads to stress, metal fatigue and eventually, cracking, he said.

MarketWatch.com - Top Stories 2011

Shortly afterward, she got more serious, tweeting, "Southwest Airlines responds to loss of pressurization event on flight from PHX to SMF," with a link to a Southwest statement about the event.

Tweeting Without Fear Elizabeth Holmes 2011

Managers met Friday to discuss plans to fix helium and nitrogen leaks on the right side of the pressurization portion of the shuttle's orbital maneuvering system.

NASA Delays Start of Shuttle Discovery's Final Mission 2010

But they show that improper cabin pressurization and structural problems still crop up occasionally despite decades of safety advances in both areas, according to safety experts.

Jets Make Emergency Landings Andy Pasztor 2011

The doors, it turns out, are fixed in place by the internal pressurization of the plane; the windows are so sturdy they could scarcely break under any reasonable conditions, but even then the dramatic havoc imagined in films would not ensue, because proper pressure could be restored by flying at lower altitude.

A Laboratory in the Sky Peter Pesic 2011

Boeing said its service bulletin will also require checks on some 737-400 and 737-500 models as well, depending on how many pressurization cycles they have gone through.

NTSB: Cracks found in 3 grounded Southwest planes 2011

Here's the condensed version: You can quibble all you like about how long it takes to get really sick when an airplane loses pressurization but you can take it to the bank that there's an immediate diminution of cognitive skills; judgment and comprehension.

Christine Negroni: A Clear-Headed Response To A Dizzying Flight Christine Negroni 2011