Maybe the 787 won't allow airborne use, but other aircraft allow it. It's useful for steep descent. If the feature were more common, obstructions near airports

Maybe the 787 won't allow airborne use, but other aircraft allow it. It's useful for steep descent. If the feature were more common, obstructions near airports (like mountains) would be less of an issue. We could build new runways at some airports. https://en.wikipedia.org/wiki/Thrust_reversal#In-flight_operation https://en.wikipedia.org/wiki/Thrust_reversal#In-flight_oper...