To allow the use of UL91 or UL94 (minimum) grade aviation fuel.
FAA holder: Swift Fuels LLC
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 9 selected supplemental type certificates with status Current whose public applicability data names the APEX Aircraft CAP 10 B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 9 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Swift Fuels LLC
FAA holder: J. P. Instruments
FAA holder: Peregrine
FAA holder: Airwolf Filter Corporation
FAA holder: ADS-B Technologies LLC