1.Why is Ryanair changing its carry-on bag policy? We are trying to eliminate gate bags and cut boarding gate/flight delays. 2.When is this new policy coming into effect? Mar 4, 2015. Traveling With a Musical Instrument. Complaining to Airlines. Complaining to DOT. Information on musical instruments from Airlines for America. In early 2009, Fortune profiled Bridgewater. a practice he says he adopted when “the Beatles started doing it in 1968.”…