Ok, looking at a diamond da40, 750 hours on hobbs and 470 hours on tach, great condition, doesn t come with headsets, no cover always been hangared and also comes with Arctic Air 24v portable AC unit, it is for sale for $175,000 owner will not budge, is this fair price?

Update: it is a 2005

You say what runway you're taxiing to, but don't say what direction you're taxiing. Regardless, I'm not going to figure it out for you. You need to understand what's happening, not do it by rote.

Just picture what the control surfaces are doing in any wind. Say you have a quartering tailwind from the left. The left wing is upwind, you don't want the wind to get under it, you use left aileron: The wind is coming from behind, the left aileron is down, so the wind hitting it from behind pushes it down. Similarly, you want neutral or down elevator as you don't want the wind lifting the tail.

In a quartering headwind, aileron in the direction the wind is coming from as the wind hits the upraised aileron on the upwind side and pushes the wing down.

Other cases are an exercise for the student to solve.

Aircraft are fairly automated now, even little aircraft like my own Cherokee Arrow, can fly from one place to the other, following complex flight plans, without much input from the pilot.

However, as I have said many times on here, just because you can, does not mean you should!

There are many many unforeseen circumstances which require a pilot on board, computers cannot anticipate and they cannot think or plan ahead. They cannot accommodate sudden changes in a dynamic environment. They simply do exactly what they are told to do, even if that is wrong.

The most compelling reason it will not happen is airline competition. Nobody will ever want to be first!

The technology investment would be huge and you need to be sure that you are going to get that money back.

If we assume that United decided to commission an autonomous airliner, it is a fair bet that American Airlines would run a huge scare campaign against them, diverting unwilling passengers from United to their services, or vice versa.

Even if they did not, can you honestly say that you would willingly put your life in a machine which does what an aircraft does, with only a computer at the controls? You might, but other passengers will stay away in droves.

No bums on seats, no Bucks.
No Bucks, No Buck Rogers!