AFS filter is STC’d by EASA
Aerospace Filtration Systems (AFS), the St.

Aerospace Filtration Systems (AFS), the St. Louis manufacturer of inlet barrier filter (IBF) systems for turbine-engine helicopters, has received supplemental type certificates (STCs) from the European Aviation Safety Agency (EASA) for IBFs on the Bell 407, 206L-3 and 206L-4.

The approval clears the way for the AFS systems to be installed on helicopters operated in all European EASA-member nations including France, Germany, Italy, the UK, Spain and Sweden.