The Exeter pilot had to put on protective equipment during what's being called a sustained attack.
It happened on Saturday night.
A tweet from the National Police Air Service in the South West said the crew were able to identify the offender's location within 60 seconds.
Decision on Devon’s bid to delay election expected soon
Speech is expected on Monday 3 February
21 homes in Honiton approved despite objections
Planners waved through the scheme
Plymouth online group boosts free dental care uptake
Gossip Girls spread the word
Police tax to rise next year
Panel agree 4.99 per cent increase
Proposal to sell ‘vital’ Tiverton canal building delayed
Taken off DCC list to sell
Housebuilder receives permission for Cranbrook sales office
It was ordered to be removed last year
