why don’t planes crash? · all the observed cracked in the pressure cabin emanated from bolt or...

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Why don’t planes crash? Jeff Foster

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Page 1: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Why don’t planes crash?Jeff Foster

Page 2: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 3: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 4: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 5: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 6: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

3 Lost within 12 months

Page 7: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 8: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 9: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 10: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs that was so damaging to the fatigue life of the cabin, rather the method of fixing the windows and doubler plates into the pressure cabin. Had the windows not been square then the “Redux” gluing method might have been applied to these areas, and the failure avoided.

Page 11: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

1956 Grand Canyon

Page 12: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 13: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 14: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

United Airlines 1965

Page 15: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 16: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 17: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 18: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

1982 – Air Florida Flight 90

Page 19: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Captain: It's spooled. Real cold, real cold.

Co-pilot: God, look at that thing. That don't seem right, does it? Uh, that's not right.

Captain: Yes it is, there's eighty.

Co-pilot: Naw, I don't think that's right. Ah, maybe it is.

Captain: Hundred and twenty.

Co-pilot: I don't know

Captain: Vee-one. Easy, vee-two.

Page 20: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Captain: Forward, forward, easy. We only want five hundred.

Captain: Come on forward....forward, just barely climb.

Captain: Stalling, we're falling!

Co-pilot: Larry, we're going down, Larry....

Captain: I know it.

[SOUND OF IMPACT]

Page 21: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 22: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Cockpit Resource

Management

Page 23: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Attention 🡪 Concern 🡪 Problem 🡪 Solution 🡪 Agreement

Page 24: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Air Canada Flight 143 - 1983

Page 25: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 26: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 27: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 28: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 29: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 30: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Aloha Flight 243 - 1988

Page 31: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 32: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 33: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 34: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 35: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 36: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 37: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

The 737 MAX - ET302

Page 38: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

https://medium.com/@dawalk6/accident-timeline-of-ethiopian-302-ed20e33f900a

https://medium.com/@dawalk6/accident-timeline-of-ethiopian-302-ed20e33f900a

Page 39: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 40: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 41: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 42: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 43: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 44: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

Page 45: Why don’t planes crash? · All the observed cracked in the pressure cabin emanated from bolt or rivet holes near the cut-out areas. It was probably not the shape of the cut-outs

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