Air-Ground
Air-Ground! Air-Ground! Air-Ground! Bomber Command, and later Strategic Air Command didn't like to admit there was a ground. They wanted to “Aim High”er than that and didn't want any part of the “blood, sweat, and tears” Winston Churchill had to offer. It didn't seem proper, to them, to “reach out and touch the face of God” from low level. When I attended USAF Air Ground School in Heidelberg, FRG, most of the students were Army, Marine, and Allies. That (higher is better) concept has certainly transferred to civilian flight training, where no maneuvering flight training is offered. Rather it is deemed taboo.
Pitch attitude, gravity thrust, engine thrust, adverse yaw, forward and side slips, wings level rudder turns, energy management turns to target, ground effect, thermal and orographic lift, wind management, load factor, knowledge of which way is down hill, weight and balance, leaning, density altitude, slope, obstructions, crooked takeoff and crooked approach paths, section lines, topography, rudder usage, and a multitude of things become extra important when near terrain. Here we must fly by contact reference to the terrain while severely limiting or eliminating reference to any instruments.
Considering steep and/or crooked approach and departure paths to high mountain airports and landing zones, many of the above factors come into play. On a steep approach, we may have enough terrain clearance to use normal techniques. On a steep approach down a steep hill, like Ruidoso, NM used to be, making normal balanced turns could put a wing into the steep hill. Slope, ground effect, leaning to max rpm, down drainage departure, rudder turns on final, and natural energy can become extremely important in high density altitude and/or short and irregular field operations.
Because most fatalities, in our end of aviation, result from falling (not flying) to the ground, energy management, rather than normal level, turns increase safety significantly. Because cartwheeling is very dangerous, there are situations where rudder turns while holding the wing level with aileron increase safety.
Flying high is safer than flying low. Maneuvering flight is taboo. With the piles I flew in the mountains, flying high was 90% out of reach with the fuel I had available.
