article thumbnail

Quiz: Understanding Aircraft Performance

Flight Training Central

What is ground effect? Ground effect is most likely to result in which problem? Inability to get airborne even though airspeed is sufficient for normal takeoff needs. What true airspeed should a pilot expect at 9,000 feet on a standard day with 65 percent maximum continuous power?

article thumbnail

Invisible Trap Kills Glider Pilot – How To Avoid Microbursts

Chess In the Air

At the high density altitude at Rifle a ground speed of 92 kt would have been equivalent to an indicated airspeed of less than 80 kt. If this included a wind component of 50 kt from behind, his true airspeed would have suddenly dropped to 30 kt, i.e. well below stall speed.

Pilot 52