No, it is not an adverb. The word flown is the past participle of the verb to fly. It can be a verb form, participial, or adjective.
it was flown in 2014
1912 was when the first helicopter flown
I/You/We/They have flown. He/She/It has flown.
descended? Driven (in a car, as opposed to flown in a plane). Walked (as opposed to having flown somewhere.)
The past tense form is flew. Flown is the past participle. fly - flew - flown
1912 was when the first helicopter flown
Flown is the past participle of fly.
It is flown in reverse to signal distress.
Bird Has Flown was created in 1969.
The Eagle Has Flown was created in 1991.
Our prized pigeon has flown from the coop! This kite has been flown by four generations of my family. I cannot name all of the flags that have been flown over Texas.
The present participle is a verb ending in -ing that acts as an adjective or an adverb. Therfore, the present participle of fly is flying (i.e. The flying leaves from the trees that day told me that autumn was coming).The past participle is flown.