Back Bearings: A Navigator's Tale, 1942-1974
Cropper, Eric
Eric Cropper's RAF career started in 1943 and ended in 1968. It covered a period when the navigation of aircraft changed from astro, dead reckoning and drift bearings all plotted by pencil on charts, to press-button radio and satellite information that can instantly pinpoint a position anywhere on the planet to within 5 metres. The then vital skills of a good navigator are now mostly redundant. Ships, aircraft, trucks and cars seldom use maps ...