"The Lion Air and Ethiopian flights both had malfunctioning angle of attack sensors (like the vane on the side of the pod pictured above), not airspeed sensors.  Air France 447 would be an example of a crash triggered by a malfunctioning airspeed…"

"Oddly enough, full-size self-launching and sustainer-engined sailplanes (retracting engine) use fixed climb pitch propellors, so climb-glide is used to optimize range.  Touring motorgliders (fixed engine) usually have variable pitch propellors (or…"

"One problem I see is that lowering a package to the ground without landing does not meet the wording of FAR 91.119 ("Except when necessary for takeoff and landing"...), so unless the delivery to a point in "other than congested areas" and at least…"

"I'd love to know how Flirtey is getting around the VLOS, congested area, and operation with 500 feet of persons/structures regulations.  All of the articles seem to gloss this over."

"uAvionix has some interesting products, but there is one significant error throughout their web site:
ADS-B (Automatic Dependent Surveillance – Broadcast) helps aircraft operators sense and avoid possible collisions. ADS-B is mandated by the FAA for…"

"With LIDAR already in use on airplanes, it is hard to see a justification for simply banning them on UAVs that will stand for long, especially when they are going to turn out to be a central cornerstone of our navigation systems.

That's an…"

"According to his website that's a turbojet in the center, not a turboshaft driving a genset.  The (battery powered?) propellors are for attitude control only.  This is a subscale prototype, the real thing is supposed carry a pilot, use six turbojets…"

"How is it possible that the Australian government has the exact same export language as the US Dept of Commerce (EAR), all the way down to the classification number, 9A012??
See The Wassenaar Arrangement."

"The authorities are aware of his actions, and have chosen not to do anything, meaning that boy did not violate airspace, etc.
It's not clear that he didn't violate airspace, they just chose to do nothing but warn him, as I would expect under the…"

"Ben, I'm sorry, your comment is misguided and wrong.  The kid is not under arrest, he is not being taken to court, there is no indication that there will be any direct direct consequences for his flights.  This was simply an attempt to educate and…"

"I'm missing something here.  How does the newspaper reporter know that "they didn’t get into restricted air space"?  If there are aircraft already present at a forest fire, it is pretty safe to assume that they have established a TFR with a radius…"

"While ADS-B will be mandated in the US for many aircraft in 2020, this does not mean all aircraft in US airspace will be equipped.  It will only required for aircraft certified with electrical systems flying in Class A, B, C airspace and Class E…"

"An entertaining video with an amusing presenter who gets a few things wrong (transponders don't use GPS, unless they are ADS-B out enabled).  After 30 minutes, he finally gets around to his solution, which involves a secret sauce he won't reveal.  A…"

"Keep in mind that Part 103 ultralights are prohibited from commercial use in the US, with the sole exception of flight instruction.  With the airspace restrictions, ultralights can't ever be anything more than a hobby.  The intent is to give UAVs…"

"HeliStorm, my only point is that, unfortunately, ADS-B can't be a 100% solution to being being able to sense & avoid aircraft here in the US, as not all aircraft are, or will be, equipped with ADS-B transmitters.  That includes ultralight vehicles,…"