Safety alerts / notices

Two-seat R22 and four-seat R44 helicopters.

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Pete
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Safety alerts / notices

Unread post by Pete » Mon Feb 23, 2015 10:24 pm

Seeing we are on a roll here is the safety alert for the -7 blade pre flight inspection issued by RHC today (23 Feb 15) on affected R44's
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Re: Safety alerts / notices

Unread post by csparksfly » Fri Dec 23, 2016 9:42 pm

R22 also has similar issues...


Robinson issues safety alert for main rotor blade crack

Robinson Helicopter Company has issued a new safety alert after receiving a report of a cracked AO16-6 main rotor blade on an R22 helicopter used for cattle mustering.

The incident is also the subject of an airworthiness bulletin issued by Australia’s Civil Aviation Safety Authority (CASA). According to the bulletin, the R22 Beta II was engaged in low-level, slow-speed operations when the pilot experienced an unusual increase in vibration levels and made a precautionary landing.

Subsequent inspection revealed a crack approximately 160 millimeters (6.3 inches) in length, emanating from the trailing edge and running chordwise toward the D-section spar. The bulletin notes that evidence of very minor corrosion was observed on the trailing edge of the blade, which had been in service for approximately 1,780 hours (of a life limit of 2,200 hours).

“The blade is currently being investigated by the ATSB [Australian Transport Safety Bureau] however at this stage details are limited with the root cause yet to be determined,” the CASA bulletin states.
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