IranAir (IR, Tehran Mehrabad) has retired its last remaining B747-100, EP-IAM (msn 21759), from active duty. Sources in the Iranian capital said the 35-year old aircraft was recently ferried from Tehran Mehrabad to Tehran Imam Khomeini for long term storage. Delivered direct from Boeing (BOE, Chicago O'Hare) in the wake of the 1979 Iranian Revolution, EP-IAM was also the world's last B747-100 to remain in revenue service. Owing to international sanctions, Iran Air continues to operate various rare Boeing models including the B747-200(M) and the B747SP.