On our coach there is a switch on the dash to turn the Air Horns off and leave the electric horns functional. Sounds reasonable to be able to do this in some areas.
Also the electric horn sounds just a half second before the Air Horn kicks in.
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Jim and Carol Cooper with Oreo the Kitty
FAA ATC ret, VFW, AL, VVA, NRA
US Army Aviation, MACV Vietnam 65-66
2012 Journey 36M, Cummings 360hp
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