I'm assuming that means the way I handle the camera. The planes fly in at an angle from my vantage point. When they're further away I can hold the camera pretty still, (and theoretically use slower ss). Using continuous burst most of the shots motion is frozen, but then the plane is just too far away to make a good image. By the time it flies close to me it's moving rapidly across my field of vision and I'm probably jerking the camera around in an attempt to hold it still for the shots. Probably I'm better off sticking with a certain length and move the camera smoothly as the plane tracks towards landing.
You are always much better off panning with the subject smoothly. Once you get used to it it's quite easy. Even when they go by at 300 Kts, not less than 100. I will show this example again, as it saves producing a load more crops, it's not quite at 90 degrees to me, but getting close. He was doing about 150 Kts at the time and about 300 yards/meters away at the closest point of the pass. This was shot at 600mm and 1/160s
Full image resized for POTN
I had this image printed at 30"×20" and so had to resize it to 9000×6000 pixels, these are both 100% crops of that resized image.
As you can see panning while shooting at slow shutter speeds really helps. I do use the OS on my Sigma 150-600 C, but shot for many years using an unstabilized Sigma 28-300. The important thing to do is hold the camera correctly and swing smoothly. You need to be supporting the lens barrel underneath with the left hand, and keep the elbows well tucked in. Then you need to swing smoothly. To do that you have to make the movement with your hips and then the waist. It is exactly like shooting a shotgun at a flying target. As in all such sports, anything using a bat/racquet and ball is the same, follow through is also important, you need to keep swinging all the way through until after you have finished shooting. Digital is so much easier than it was with film, there is basically zero cost per click, so shooting in short bursts is feasible, Very often you will see some vertical displacement (a 5 or 6 pixel blur when shooting at 600mm with my 15 Mpix 50D, if you have a higher resolution sensor then it may be more), the second and third shot will be OK and the last shot, as you start to relax the hand from pressing the shutter button will often also have some vertical shake. At an airshow I might get only a 10% keeper rate, but I can now shoot in excess of 3K images, so still have some 300 odd images to chose from. When I shot film I was lucky if I had four 36 exposure rolls of film to shoot, so often aesthetics like freezing the prop by shooting at low shutter speeds was less important than actually getting an otherwise good image. Back then I thought I was lucky if I got 20 good images of prop aircraft from a show. Shooting jets, where you can use any shutter speed you can get becomes so much easier then.
If the plane was left to right of him, then yes, panning. At this angle it's gaining in closeness faster than a pan would allow to remove the blur.
I have no problems shooting aircraft that are approaching at much higher speeds than that of a King Air on final approach, at a whole array of angles, and shooting with much longer lenses. There is the example above of course, and this is a Sea Hurricane MK Ib. as with the above image these were also shot at 1/160s
Or the De Havilland DH 88 Comet racer, which was shot at 600mm, and then had a 1.5× crop applied to it, that's an effective focal length of 900mm, but you are only left with 6 MPix.
These are just some of my examples of panning while shooting aircraft form all angles. Unfortunately if you want to get interesting angles on aircraft in flight, especially at airshows (and the UK is worse for this than the US) you need to have some very long focal lengths available, as they will usually be some distance away from you.
Shooting nice pictures of propellor driven aircraft is all about using the optimal camera settings, and excellent panning technique. Because of how slow they rotate the hardest of all aviation subjects are big helicopters, they need shutter speeds of 1/60 to get good blur of the main rotor.