The missile supposedly used in the chopper shootdown was the SA-16 Igla. It has a fragmentation warhead that can be magnetic proximity, impact, or delayed impact. Below is an example of the damage one did to an A-10 during Desert Storm.
Russian terrorists distributing "Igla" MANPADs seized from Ukraine Ordnance depot (probably Sloviansk) The russians couldn't sneak them in, being to bulky, when they infiltrated, so they went and stole them from where they were kept in storage. Ed