PPRuNe Forums - View Single Post - FAA mandates replacement of R22 & R44 main rotorblades
Old 31st Jul 2019, 14:31
  #206 (permalink)  
OttoRotate
 
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Here is the NTSB Safety Recommendation referenced by blakmax above:

https://www.ntsb.gov/safety/safety-r.../A08_25_29.pdf
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