The Federal Aviation Administration (FAA) has requested that SAE International develop two new aerospace recommended practice (ARP) standards dealing with Rotorcraft Inlet Barrier Filters.

The first request is to provide alternate means to substantiate that engine inlet distortion limits have not been exceeded by the modification of the rotorcraft to include an airframe-mounted engine inlet barrier filter (IBF). The second request is to define means to determine and verify power available for IBF-equipped engine installations. SAE International’s S-12 Helicopter Powerplant Committee will create both standards with input from SAE International’s S-16, Turbine Engine Inlet Flow Distortion Committee.

“We are pleased to be working with the FAA on the development of these important rotorcraft standards and appreciate the trust that the FAA has placed in SAE International to utilize industry standards as guidance material,” David Alexander, Director of Aerospace Standards for SAE International, said.