Does a Plane have a Horn?

Why on earth would a plane need a horn?” – that was my first thought when I read the above question, which came in via Twitter. Surely an aircraft doesn’t need to warn other vehicles to get out of its way? To get an answer to this question, I contacted a colleague at Engineering & Maintenance and arranged a meeting in the hangar. My mission: find the horn! (www.aviationrepublic.com) Mais...