Aircraft STC directory

Continental Motors IO-550-L STCs

The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Continental Motors IO-550-L. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

May 4, 2021

latest recorded revision

Modification demand surface

Engine and powerplant2

Other aircraft modifications1

Recorded holders

Vitatoe Aviation LLC1 Western Skyways Aircraft Modifications Inc.1

Recently revised IO-550-L STCs

Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SE03705ATEngine and powerplantRevised May 4, 2021

Convert Continental Motors IO-550-D,-E,-F and -L engine to Vitatoe Aviation, LLC IO-550-D-CF,-E-CF,-F-CF or -L-CF engine in accordance with Master Parts List PL2007-07 Rev. D dated 05 Oct. 2018 or later FAA approved revision and Assembly Instructions PL2007-12 Rev. C dated 05 Oct. 2018 or later FAA approved revision.

FAA holder: Vitatoe Aviation LLC

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SE0417CHOther aircraft modificationsRevised Oct 22, 2019

Turbo-normalization.

FAA holder: Western Skyways Aircraft Modifications Inc.

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SE03415CHEngine and powerplantRevised Jul 31, 2019

The turbo-normalization of Continental Motors engine models IO-520-A, -F, -J, and -L, TSIO-520-C, -G, -H, -M, and -R, and IO-550-F and L for installation into Cessna 206, 207 & 210 aircraft.

FAA holder: DERS Group Svc LLC

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