Edited sentence: (Air force made of toy crafts compared to modern air crafts.(This craft is designed to carry 4 passengers in short distance flights.) According to SLAF, air craft attempted to attack AF base Katunayaka has been identified as a Zlin Z-143 light aircraft.An Air craft dropped 3 bombs, one of them did not explode.Best example is the attempted attack on the Kolonnawa oil refinery.But all these attempts were successfully stopped by Sri Lankan forces.But only thing they hit was a firemen’s equipment cabin near the refinery.How ever as soon as SL forces got the information about this, they started firing anti air craft guns with tracer bullets.It caused a small fire but firemen controlled it in a short time.Just that tracer bullet light show was enough to scare the LTTE crafts off.LTTE claims they have an air force.On the next day LTTE released photographs of a light air craft & two people standing with it, to the internet.On the way they dropped their bombs to hit any thing under them.Other two exploded causing miner injures to three Air force personal & damaging a building on the AF base.Photograph details said they are LTTE “air force” pilots.Showing LTTE air crafts isn’t capable of carrying out any attacks.Since LTTEs first attempt failed, they tried to attack Pallali AF base, Vavnia AF base, another time on Katunayaka AF base & Kolonnawa oil refinery.Terrorist group call them self as LTTE (Liberation Tigers of Tamil Elam) who operates in Sri Lanka started dropping bombs by light air crafts, which they call as air attacks.The target was the Kolonnawa oil refinery.This is not an attack or fighter air craft.This started with the attempted attack on SLAF base at Katunayaka on the 26 of March 2007.Two LTTE crafts came in the darkness, with out any lights