Boeing is having a rough time of it right now, with parts falling off its planes left, right and center. Just last week, a wheel came loose and smashed through a car, and earlier this year the door from a 737 Max aircraft broke off mid-flight. That mid-air disaster sparked an audit from the Federal Aviation Administration, which has gone far from well.
I’d suspect neoprene not silicone, for door-seals of aircraft.
the Dawn I’ve no problem with.
The checking-fit with hotel-keycards I have one HELL of a problem with.
It’s an aircraft: tolerances should be specified, and should be made to fit those tolerances.
It’s umpteen tens-of-degrees below freezing outside, when you’re at cruising-altitude, so you’ve got a pressure-vessel ( the fuselage of the aircraft ), AND you’ve got a termperature-differential, AND you’ve got metal-fatigue ( or composite-aging/accumulating-cracks-in-its-reinforcement-fibers ), and tolerances are supposed to be engineered, not “oh, it seems to fit” bullshit.
Anyone who cares about such things, please read some in-depth stuff on aviation crashes.
There are youtube channels devoted to going through things, and I found out about a jetliner losing its tail because of 3 bolts that were the wrong steel, on one of those channels, but the written stuff packs more knowledge per hour of study…
Jan Roskam, aircraft-designer, has one book on it, old, but important, subtitle is “The Devil Is In The Details”.
The Lessons From The Sky series has info on near-accidents, and you’ll note they are more human-centered than the sometimes technical-as-hell items in Roskam’s book…
When one discovers that a jetliner can kill everyone aboard, when it’s being used for short island hops ( Hawaii ), and that means it’s getting many more pressurization/depressurization cycles than the engineers intended, or that salt-spray in the air can corrode an airframe enough to cause catastrophic failure, or that a single failed cotter-pin can remove the controls from a homebuilt while in-flight ( another source )…
“The Devil Is In The Details” is the most-true subtitle I’ve ever seen in any book.
seems saner to me, than the jackassery that Boeing has been doing, since McDonnell Douglass did a reverse-takeover from the inside, after their merger.
Bottom-line “leads” the company, my ass: it’s sunk Boeing.