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Aircraft STC directory

Good Earthkeeping Organization 8A STCs

The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Good Earthkeeping Organization 8A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

5
listed Current at snapshot
2
holder directories
4
modification categories
Jun 19, 2019
latest recorded revision

Modification demand surface

Other aircraft modifications2Aircraft performance1Landing gear and brakes1Engine and powerplant1

Recorded holders

Whelen Aerospace Technologies1Seaplanes North LLC1

Recently revised 8A STCs

Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.