An aerial survey of the south west, taking place over the next few months, could help predict future flooding and landslides.
Planes will be flying as low as 80 metres over open countryside, and higher over built-up areas.
The project has begun at the western tip of Cornwall and will reach Exeter some time next month.
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She'll continue tackling major issues on her to-do list
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LTN campaigner ousts Labour candidate
Labour tightens grip on Plymouth City Council power
They've gained nine extra seats
Radio Exe newsreader to abseil down Exeter Cathedral
Josh Tate will descend over 100 feet on Saturday
Labour retains control of Exeter City Council
Despite losing a seat to the Greens and an independent
