The FAA has officially accepted ASTM consensus standards for light-sport aircraft, completing the final requirement for the new MOSAIC rule taking effect this July.
ASTM
UL100E advances in race to unleaded avgas
The American Society for Testing and Materials has published its first specification for UL100E, an unleaded aviation fuel co-developed by LyondellBasell and VP Racing. This milestone brings the fuel one step closer to fleetwide authorization as it continues full-scale evaluation under the FAA’s Piston Aircraft Fuel Initiative (PAFI) program, with testing expected to conclude by late 2026.
ASTM approves new standard for GA aircraft airbags
Up until now, FAA special conditions have been employed as existing regulations did not envision airbag technology in aircraft.
Swift Fuels’ 100R unleaded avgas gets ASTM nod
The approval is for use in Cessna 172R and 172S models with Lycoming IO-360-L2A engines.