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1. 01:43 AM - Re: Yak 52 (TW?) Fatal Crash in New Zealand (Etienne Verhellen)
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| Subject: | Re: Yak 52 (TW?) Fatal Crash in New Zealand |
This is the accident report of the Yak-52 accident caused by a screwdriver in the
UK in January 2003 :
http://www.aaib.gov.uk/cms_resources.cfm?file=/dft_avsafety_pdf_024587.pdf
The investigation into the fatal accident to this Yak 52 established that the elevator
control quadrant (as illustrated in the picture -see report above) was
jammed by a screwdriver.
The aircraft was carrying out aerobatics, and at the end of a stall turn (Hammerhead)
the pilot was unable to pull out of the vertical dive.
Following this tragic accident, all UK registered Yak-52 have to be fitted with
a FOD barrier (MPD 2004-06) :
http://www.yakuk.com/MPD2004-006.pdf
It is common practice for pilots to check for loose articles by slapping the underside
of the rear fuselage. Such slapping will only show up objects in the front
part of the rear fuselage; the Yak-52 structure is such that anything which
may have migrated through the frames right to the rear will not be disturbed
by such slapping.
While the slapping technique is still an efficient means of finding some loose
objects, nothing can replace a full loose article check with a torch and mirror
through the inspection hatch in the fuselage side.
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http://www.flyforfun.be/?q=yaks
http://www.planecheck.com/eu/index.asp?ent=dv&id=6711
http://www.airshowactionphotography.com/san07/page1.html
http://www.irishairpics.com/photo/1029467/L/Yakovlev-Yak-52/G-CBSS/Etienne-Verhellen/
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=365862#365862
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