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NASA refuses to release Public Air Safety study findings!...

by shawnlin / October 22, 2007 4:00 AM PDT
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No problems releasing info about
by JP Bill / October 22, 2007 6:16 AM PDT

"fake" bombs getting through TSA security.

They don't want you to know that after you're "in the air" you are also in danger.

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(NT) If it were REALLY important, the NYT would have published it
by duckman / October 22, 2007 7:44 AM PDT
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News stories
by Angeline Booher / October 22, 2007 8:05 AM PDT

There have been news reports re: events impacting on airline safety.

Near misses on runways, near misses in the air, banned articles not being caught at security checkpoints, over worked Traffic Controllers, break downs in the systems, etc. A few years ago an engine fell off a plane.

Pilots have complained about people pointing lasers at them.

There have been concerns raised about our aging fleets.

Just the other day it was more than a near-miss at Heathrow when one plane cut off part of the wing of another while taxiing.

I heard a report about our air lanes being very out of date. Reportedly these are under review for change. These were set up when air traffic was much less than now.

I'm not sure what else the report would have to offer. Maybe pilots know of more near misses then have been reported.

Angeline
Speakeasy Moderator

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A couple of weeks ago
by Dragon / October 22, 2007 2:47 PM PDT
In reply to: News stories

I was reading a science or tech magazine that in about 2010, all airlines will be using GPS systems. It will decrease separation from 2000 feet to 1000 feet. Also, it will allow planes to fly a more direct route than the ones they fly now. They may also be using GPS to help landings and takeoffs. Looks like it may be safer than the currently used system. I assume from all that, that flight times will be decreased and less fuel will be used.

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re: GPS navigation...
by shawnlin / October 24, 2007 2:15 AM PDT
In reply to: A couple of weeks ago

GPS navigation would be great for passenger jets to use en masse. however, the higher accuracy you want, the more satellites it takes to lock on to - sometimes that can be rather difficult. I hope there's a complimentary system that can double as a back-up. as in society - *technological* diversity can be a big strength.
Best,
shalin

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Maybe the satellite part
by Dragon / October 24, 2007 10:49 AM PDT
In reply to: re: GPS navigation...

is part of the holdup. Maybe they want to make sure there are at least two satellites for the entire country.

I don't know enough about GPS to know what is needed for a given amount of accuracy. If it's a matter of +/-100 feet enroute, then maybe that's enough.

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hmmmm....check this explainer...
by shawnlin / October 24, 2007 1:13 PM PDT
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Thanks, I'll have to come back and read it
by Dragon / October 25, 2007 12:14 PM PDT

when I'm a little less tired, like when I'm off work.

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They could have had better systems 20+ years ago
by Dave Konkel [Moderator] / October 24, 2007 1:10 PM PDT
In reply to: A couple of weeks ago

but the airlines thought equipping all planes with systems only needed 5% of the time (in really bad weather) was too expensive. meanwhile, my boss when I was a post-doc landed at Orly in fog so thick he couldn't see the ground from the top of the ramp (yes -- "ramp;" I said it was a long time back!)

-- Dave K, Speakeasy Moderator
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