Aircraft STC directory
AD Holdings T-211 STCs
The cited FAA DRS record snapshots contain 11 selected supplemental type certificates with status Current whose public applicability data names the AD Holdings T-211. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
11
listed Current at snapshot
7
holder directories
5
modification categories
Jul 14, 2026
latest recorded revision
Modification demand surface
Recently revised T-211 STCs
Showing the 11 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
To allow the use of UL91 or UL94 (minimum) grade aviation fuel.
FAA holder: Swift Fuels LLC
To allow the use of UL91 (minimum) grade aviation fuel.
FAA holder: Petersen Aviation Inc
Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed.
FAA holder: ADS-B Technologies LLC
Installation of push-button starter system.
FAA holder: Hartzell Engine Technologies, LLC
Installation of an alternator and regulator as a replacement to existing OEM generators and mechanical voltage regulators.
FAA holder: Hartzell Engine Technologies, LLC
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC