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Archaeological period This article is about the historical/archaeological period known as the Iron Age. For the mythological Iron Age, see Ages of Man. Iron Age This box: view talk edit ↑ Bronze Age Ancient Near East (1200–550 BC) Bronze Age collapse (1200–1150 BC) Anatolia, Caucasus, Levant Europe Aegean (1190–700 BC) Italy (1100–700 BC) Balkans (1100 BC – AD 150) Eastern Europe (900–650 BC) Central Europe (800–50 BC) Great Britain (800 BC – AD 100) Northern Europe (500 BC – AD 800) South Asia (1200–200 BC) East Asia (500 BC – AD 300) Iron metallurgy in Africa Iron Age metallurgy Ancient iron production ↓ Ancient history Mediterranean, Greater Persia, South Asia, China Historiography Greek, Roman, Chinese, Medieval The Iron Age is the final epoch of the three-age system, preceded by the Stone Age (Neolithic) and the Bronze Age. It is an archaeological era in the prehistory and protohistory of Europe and the ...

6 1 $begingroup$ This question already has an answer here: What will happen if satellite navigation fails? 6 answers In case of loss of GPS: how can an aircraft not only be navigated but navigated so precisely that it can pinpoint its destination airport ? (case in point: Finland and Norway are telling airline pilots to be ready to fly without GPS ) navigation flight-instruments emergency-procedures gps gnss-gps share | improve this question asked Nov 13 '18 at 10:22 summerrain summerrain 1,541 1 8 25 $endgroup$ marked as duplicate by Dave, David Richerby, vasin1987, fooot, reirab Nov 13 '18 at 17:15 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. 4 $begingroup$ Before 1974, aircraft navigated without GPS and were able to cross oceans. $endgroup$ – Ron Beyer Nov 13 '18 at 15:18 3 $begingroup$ @R...