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Quite the distance by exploiting winds and lift - https://www.smithsonianmag.com/smart-news/bats-hitch-a-ride-on-storm-fronts-when-migrating-saving-energy-by-surfing-through-the-sky-study-finds-180985823/

There is actually a fair academic literature on this question. One can start with scholar.google.com and keywords “psychological profiling to prevent terrorist attacks” There appears to be considerable skepticism that this can work. See for example...

Pretty typical excuse of government agencies that can’t actually demonstrate their efficacy. “It’s a national secret and we can’t tell you”. The TSA uses this all the time. Sorry, I don’t buy it and I don’t think anyone else should either. Oh this is easy. Just obtain some surface to air...

Maybe, but where is the data and analysis? It may work or it may be that something else is working. There are a lot of potential confounders here so I don't really think we can conclude that their airport security is what is doing the trick. If people were really determined, I can think of a...

Do we know that the Israeli approach actually works? The problem with testing here is similar to that with the TSA. One is attempting to prevent what are very rare events. So rare in fact in the case of the TSA that we are not able to conclude with any statistical confidence that they actually...

View of the Mogollon Rim in early morning. That is Shiprock in the middle

And this guy is making money off advising them. I bet the actual sensitivity of these tests, even combined, is just about zero. https://www.foxnews.com/travel/everyday-behaviors-flight-passengers-red-flags-tsa-might-get-you-held-airport

I think I would want at least one other receiver that can work in the VOR MON in case GPS fails or is shut down. One of my rules is not to have a situation where my life would depend on a single point of failure. I suppose you could substitute a handheld with a VOR CDI and glideslope. But I...

Not even an Aerobat will land in 150'.

By adding another layer of bureaucracy of course. Time for a Missile Safety Administration (MSA)!

Restored my night currency this evening with a night flight around and through the Phoenix bravo transition over Sky Harbor in my Aerobat. The plane takes more power for level flight than I am used to but is very easy to land when no cross-wind.

Deaths now up to 62. I am curious why they did not choose a better direction.

At least 28 fatalities during attempted belly landing https://www.cnn.com/2024/12/28/asia/south-korea-plane-crash-intl-hnk/index.html

What do people think of the new Deltahawk engine? Looks nice as it runs on jet fuel, auto gas, and diesel.

Best to bear in mind international wars when traveling! We live in a country with an extraordinary air safety record.

For those of us without a WSJ subscription - https://archive.ph/Gp05K

Merry Christmas to all.

One year and 5 months.

Funny, I was going to ask you the same question as you have more experience in the area. My guess would be that doing so would require time, effort and money to obtain a new experimental airworthiness certificate. Also, to my untrained eye, I believe such certificates will contain significant...

Not at all @Bob Noel . My beliefs about this are completely falsifiable. I can think of lots of evidence and analysis that would persuade me that belief is false. By contrast, I have not heard mention of any evidence or analysis, which could exist in principle, which would falsify the claim...