A flight without landmarks and a twist without stalling were significant achievements of the week:
In France: From St. Inglevert, near Calais, to Istres, near Marseilles; from the northeastern tip of the country to the southern shore, Army officers flew under the worst conditions of visibility without sighting a landmark. They relied on maps, compasses, derivometers (drift-indicators). They strayed scarcely a mile from the course.
In England: When an airplane is forced to too great an angle to the wind, it loses speed and lateral control, stalls. A spin, an accident, is likely...