CNN At This Hour With Berman and Bolduan August 3, 2015 15:05:00
We're stabilizing our approach and it's difficult at those slow speeds. we don't have a lot of margin for error. that being said, what can happen, you can impact the wind stream. we do have heated windshields so it does have some elasticity. we heat it for birds and for various other things mostly for window heat for icing situations but it could crack it and reduce the visibility. in the engine, depending upon the material the drone is made out of, it could ingest into the engine and possibly cause an engine failure. we're trained to handle engine failure but flight control is another issue. ...
Source: archive.org