Bladder Tank

January 23, 2014 - 2:50pm

Robinson Helicopter issued a Service Bulletin (SB-109) requiring retrofit installation of fuel bladders in all R22s through S/N 4620 “as soon as practical,” but no later than the next 2,200-hour overhaul or 12-year inspection. It began installing fuel bladders in new-production R22s early last year beginning with S/N 4622.

May 6, 2013 - 1:40pm

Despite a number of recent fatal accidents involving post-crash fires blamed on the Robinson R44’s vulnerable aluminum fuel tanks, and despite the Australian Civil Aviation Safety Authority’s (CASA) publishing an airworthiness directive demanding replacement with improved flexible bladder versions, many operators have failed to comply.

 
X