| Studying for his student pilot licence, he got his first lessons in meteorology, navigation, and airmanship. |
| Student pilots learn aerobatics, formation, night and instrument flying and cross-country navigation. |
| The Pentagon plans to use them to improve the aim of missiles and provide better navigation for warplanes and ground troops. |
| They had no perceptible impact on German opinion, though the leaflet raids gave aircrew some essential training in night navigation. |
| Lavanha also studied instruments used in navigation, constructing astrolabes, quadrants and compasses. |
| Celestial navigation used a sextant built right into the cockpit but if the plane was wallowing at all, it was useless. |
