Article

2014-10-13 Syria-Lebanon-Iran

Senior police officers among seven dead in Iran plane crash

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Posted by Steve White 2014-10-13 00:00|| || Front Page|| [11127 views ] Top

#1 "Flap, Mahmoud flap!! Faster darn you!!

Posted by Steven 2014-10-13 03:40|| 2014-10-13 03:40|| Front Page Top

Posted by Big Thromoth3646 2014-10-13 06:27|| 2014-10-13 06:27|| Front Page Top

#3 This used to be Saddam's modus back in the day.

Posted by ed in texas 2014-10-13 08:51|| 2014-10-13 08:51|| Front Page Top

#4 We're supposed to believe they can build their own modern stealth fighter jets, yet they can't even keep a simple little turbo-prop transport in the air?

Posted by Glenmore 2014-10-13 10:50|| 2014-10-13 10:50|| Front Page Top

#5 Aero Commanders are old aircraft and if the turbo props were a retro fit, well, not a lot of detail here, but wing or fuselage fatigue along with the good ol' InShallah Maintenance probably contributed to this.

Posted by USN, Ret. 2014-10-13 14:53|| 2014-10-13 14:53|| Front Page Top

#6 More on the aircraft:
Depending on which version, wing fatigue could have been an issue, but it would appear that conversion to the turbo props also was a good time to retrofit new wing center section. The below is from Wikipedia:
Beginning in June 1991, senior engineers met with FAA officials to discuss concerns over the Aero Commander's main wing spar, which was believed to be susceptible to stress fatigue and subsequent cracking, and was believed to have resulted in a number of fatal crashes. From approximately 1961–1993, 24 aircraft crashed when spar failures caused the loss of the wing in flight. 35 more spars were found cracked during inspections.
Commander 690
681 with new wing centre section and engines moved further outboard, two Garrett AiResearch TPE331-5-251K turboprops, 79 built.
Commander 690A
690 with changed flightdeck layout and increased pressurisation, 245 built.

Posted by USN, Ret. 2014-10-13 17:10|| 2014-10-13 17:10|| Front Page Top

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