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.
Cornwall man handed warning for disturbing dolphins
He encouraged others to do the same
10-storey Exeter student accomodation block planned
Developer wants to demolish old JobCentre
Former nightclub could become student accommodation
180 studio apartments planned for Unit 1
North Devon drug dealer jailed
He used an encrypted app to carry out his business
Investigation launched into glasses theft
More than 30 pairs have been taken
Controversial mega site for 700 Exmouth homes approved
Residents 'gutted'
