have/has flown This above is present perfect active not passive. Passive is be verb + past participle He has been flown to hospital.
Challenger had 10 flights if you include the accident in 1986.
it was flown in 2014
I/You/We/They have flown. He/She/It has flown.
1912 was when the first helicopter flown
descended? Driven (in a car, as opposed to flown in a plane). Walked (as opposed to having flown somewhere.)
It is flown in reverse to signal distress.
Bird Has Flown was created in 1969.
The Eagle Has Flown was created in 1991.
1912 was when the first helicopter flown
Flown is the past participle of fly.
The past tense form is flew. Flown is the past participle. fly - flew - flown