"The Panha 2091 is an Iranian overhaul and upgrade of the Bell AH-1J Sea Cobra light-attack helicopters purchased before the 1979 Islamic Revolution. The overhaul and upgrade program is known as project number 2091 of the Iranian Helicopter Support and Renewal Company (Panha)." http://en.wikipedia.org/wiki/Panha_2091
http://en.wikipedia.org/wiki/Panha_2091
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/01/27/BA5415HA1A.DTL