If HMS Beagle had never sailed on her survey missions, how might shipping and naval doctrine have changed?
Short answerCharts might have appeared a little later, but other ships and countries would still survey trade routes because commerce rewarded better mapping.
NotesWithout Beagle's survey voyages, British charts might have appeared later, but the gap would not have lasted. Other ships and other countries were also mapping coastlines and sea routes. Commercial shipping created strong financial pressure to improve charts wherever trade expanded. Beagle mattered as a survey ship, yet the broader demand for navigational knowledge did not depend on one hull.