What determines how an airplane will land or takeoff at Healdsburg Airport?
Since Healdsburg Airport has no tower, pilots are responsible for planning their approach and departure. The pilot determines when to take off or land, and in which direction. At nearly all airports, even ones with a tower, there is a “traffic pattern” in the shape of a rectangle. One side of the rectangle is aligned with the runway itself. This is called the “final” (when landing) or the “upwind” (when departing). On the other side of the rectangle, about 300 yards away, is the “downwind”. Connecting the two lines is the “base”. Aircraft are expected to start flying the pattern at about 1,000 feet above the ground level (1000 ft AGL), and gradually descend to touch-down on the runway. In the figures below you can see the outline of this rectangle. Normally aircraft approach the airport at a 45° angle and then turn into the downwind. They make two more turns, while descending, then land. Takeoff is usually simpler. At Healdsburg, pilots are instructed to takeoff and then turn 20° to th
