Can someone please check to see if I have this correct ?

 

KIAS. the airspeed of the plane moving and the wind blowing, yes?

true:  the plane moving in the air. Adjusted for altitude and temperature?

ground. Is the airspeed of the plane along the ground only. Like a car. Yes?

 

thanks

KIAS is Knots Indicated AirSpeed.  This is what is displayed on the aircraft's airspeed indicator.  A headwind will create a high KIAS, while a tailwind can create a low KIAS.

TAS is True AirSpeed.  This is the true speed of the aircraft, the speed at which the aircraft is actually moving through the air when corrected for altitude and temperature.

Ground speed is the speed of the aircraft relative to the ground below it.

Just about except head or tail wind will have no effect on KIAS only groundspeed.

 

+1.

It's a common misconception that (steady) wind has an effect on an aircraft in flight, except ground speed and its track over ground.

4 hours ago, briansommers said:

KIAS. the airspeed of the plane moving and the wind blowing, yes?

More or less correct except this.

Strictly speaking, KIAS (or more correctly KEAS, which is KIAS corrected for instrument and pitot errors, but the two are usually very close) is not a speed, i.e. a measure of velocity with respect to some reference, but it can be seen instead as a direct indication of the aerodynamics forces the aircraft "feels" (the so called "dynamic pressure"). As has been said, it deviates from KTAS because at altitude the decreased density produces, for a given KTAS, less dynamic pressure, and hence less KIAS.

At 0ft ISA, KIAS and KTAS are coincident, except for the aforementioned instrument errors.