Tamil Nadu, May 2 (ANI): Enthusiasts thronged Coimbatore city in Tamil Nadu on April 26 for 'Aeroplus 2014', which exhibited more than 20 varieties of aircrafts, choppers and their manoeuvre. The exhibition is being organised by Nehru College of Aeronautical Science and will continue for three days. Most of the aircrafts that were on display have been brought from Indian Air Force and other foreign countries.The visitors were mostly attracted to miniature helicopter, which was designed by an aeronautical student. One of the distinct characteristics of this miniature chopper was it cannot be detected by radar which can be greatly useful for the armed forces.Some of the aircrafts that were on display included Hawker 1A, Beech aircraft, King Air C-90 aircraft, Cessna 150D, a rare Enstrom F-28 helicopter, etc. Inside the exhibition halls, visitors also got the chance to witness an international airport which was prepared in the form of a big model. There were runways, terminals, security points, radar, repair yard, flying club, parking area arranged along with the aircrafts. Engine models were also put on display including MIG-21 fighter plane engine. Aircraft accessories, aviation photo gallery and cockpit instruments were also set up in this novel exhibition.