Quote from
FlightpathOBN (after photo,
Feb 28th):
"virtually ALL of the images of the 787 show the RAT deployed on ARR.."
My guess is that most of the photos will have been taken on acceptance flights. The RAT has to be tested, and it tends to be done towards the end of the flight, because of the buzz-saw noise (and maybe restrictions on other activities) once it is extended. That's what happens at Blagnac (Airbus).