Tom Mara is a wind engineer and Associate Principal with CPP Wind Engineering, Inc. He is a registered Professional Engineer ...

A Cooking Lake flight instructor and his student died in 2023 when they failed to recover from a spin they were practicing as part of aviation training in Canada, the TSB found.

wind speed, altitude) change. At those phases, noise levels inside the cabin can reach as high as 110 decibels (dB). At typical cruising altitudes with steady parameters, cabin noise levels drop to ...

v. pp. 103 and 348), showed that even for moderate heights the old notion of assuming the wind to be of uniform velocity at all altitudes was seriously in error, and that to rely upon it in the ...

Javion Siders/U.S. Army) The Army is scouring industry for unmanned aircraft systems to launch from medium- or high-altitude platforms ... and is working to speed up its plan to procure a variety ...

As the air descends, it dries further and accelerates in speed. Wind speeds can increase further as they funnel through the valleys and gorges in the area, much like water increases its speed as ...

EVTOL is seen as a major enabler of the low-altitude economy. As a key representative of the new quality productive forces in China, the low-altitude economy was included in the government work ...

PONTIAC — A 468-megawatt wind farm that could require the installation of up to 104 turbines south of Flanagan has received a positive recommendation by the ...