Ajay Raghavendra, Ph.D.
Dissecting the Mach Transition
In the United States, the first jet-powered airplanes that most non-military pilots transition to, are those of the regional airlines or to a light-...
Should You Overfly a Developing Thunderstorm?
On July 8th, Hurricane Beryl made landfall at Matagorda, Texas (approximately 90nm south-west of Houston’s George Bush Intercontinental – KIAH). As expected, air traffic...
Anticipating Upper Clear-Air Turbulence
Editor’s Note: We are pleased to welcome Ajay Raghavendra, PhD back to our pages. Ajay took a sabbatical for service to the country, additional...
Windshear: The Science, Equipment, and Mitigation
A series of thunderstorms and windshear-related air carrier accidents culminating with the crash of Delta 191 during final approach into DFW had a profound...
What Type of Icing is on the Plane?
Icing is a triple threat that impacts the aerodynamics, performance, and handling of an aircraft. While the threats of icing are reviewed and examined...
Beautiful Mountains, but Turbulent Skies
You’re flying your usual leg from Salt Lake City (SLC) to Dallas (DFW) for the hundredth time on another beautiful sunny day with blue...
Why are runways often oriented perpendicular to the shoreline?
The construction and design of an airport is not a trivial task. Planners consider a multitude of factors such as economic impact, potential for...
What’s Behind that Cold Front?
Thunderstorms are one of the most significant hazards to aviation. For instance, on 12 January 2023, a relatively strong cold front dominated the eastern...
The Clashing of Air Masses
Seasons play a significant role in disrupting aviation operations. Summers are characterized by intense thunderstorms and heat. For instance, density-altitude-related performance degradation resulted in...
Understanding the Characteristics of the Planetary Boundary Layer (PBL)
Aircraft operate in the Planetary Boundary Layer (PBL) during the critical phases of flight, e.g., takeoff, climb-out, low altitude cruise flight, approach, and landing....