Tehran - Mehrabad ( THR/OIII ).Old Saha Airlines B707 coming from Mash'had ontime at 11:20 AM with her very loud but beautiful sound from her 4 old engines. registration: EP-SHU , c/n: 21126/914 , aircraft model: Boeing 707-3J9C . going to land on rwy 29L at Mehrabad Int'l. This B707 is sister of that Saha B707 that crashed in Mehrabad 21 April, 2005 (failure in hydraulics and nose gear). She had reg:EP-SHE .