Skip to content

Aircraft STC directory

Teledyne Continental Motors IO-520-B STCs

The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Teledyne Continental Motors IO-520-B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

7
listed Current at snapshot
6
holder directories
3
modification categories
Feb 8, 2021
latest recorded revision

Modification demand surface

Fuel systems3
Other aircraft modifications3
Engine and powerplant1

Recorded holders

General Aviation Modifications Inc.1Continental Motors, Inc.1RAM Aircraft Limited Partnership1D'Shannon Products Ltd.1Champion Aerospace LLC1Shadin Avionics1

Recently revised IO-520-B STCs

Showing the 7 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SE02881ATOther aircraft modifications

STC for the conversion of Teledyne Continental Motors (TCM) Models IO-520-B, -BA or -BB to AvPower Model IO-550-B-AP which has the same ratings and limitations as TCM Model IO-550-B, or the conversion of TCM Model IO-520-C or -CB to AvPower Model IO-550-C-AP which has the same ratings and limitations as TCM Model IO-550-C. Conversion of the Models IO-520-B, -BA, or -BB to the Model IO-550-B-AP shall be performed in accordance with AvPower Report AP1004-3 Master Parts List, Revision B dated March 26, 2004 and AvPower Report AP1004-6 Assembly Instructions, Revision B dated March 26, 2004, or later FAA approved revisions. Conversion of the Models IO-520-C or -CB to the Model IO-550-C-AP shall be performed in accordance with AvPower Report AP1004-4 Master Parts List, Revision B dated March 26, 2004 and AvPower Report AP1004-7 Assembly Instructions, Revision B dated March 26, 2004, or later FAA approved revisions.

FAA holder: AERO Aviation Company

View record