<P> Many of the Iran sanctions programs are administered by the United States Treasury Office of Foreign Assets Control (OFAC). </P> <P> According to an Iranian journalist, the effects of sanctions in Iran include expensive basic goods and an aging and increasingly unsafe aircraft fleet . "According to reports from Iranian news agencies, 17 planes have crashed over the past 25 years, killing approximately 1,500 people ." </P> <P> The U.S. forbids aircraft manufacturer Boeing to sell aircraft to Iranian aviation companies . However, there are some authorizations for the export of civil aviation parts to Iran when those items are required for the safety of commercial aircraft . An analysis by The Jerusalem Post found that a third of the 117 Iranian planes designated by the U.S. had experienced accidents or crashes . </P> <P> A 2005 report, presented at the 36th session of the International Civil Aviation Organization, reported that the U.S. sanctions had endangered the safety of civil aviation in Iran because it prevented Iran from acquiring parts and support essential for aviation safety . It also stated that the sanctions were contrary to article 44 of the Chicago convention (to which the US is a member). The ICAO report said aviation safety affects human lives and human rights, stands above political differences, and that the assembly should bring international public pressure on the United States to lift the sanctions against Iran . </P>

Why has the us placed several embargoes against iran over the past two decades