The U.S. aircraft register, updated daily
Type certificates · engine · current

Type certificate E5SO

Held today by Continental Aerospace Technologies, INC., earlier by Continental\Teledyne Continental Motors, Continental Motors INC, Continental Motors Inc\Continental Motors, Teledyne Continental Motors\Continental Motors. It covers 12 models; about 3,827 aircraft on the U.S. register are built to the designs it names. Last revised March 31, 2020 (revision 13). 21 FAA orders name its designs, and 11 approved modifications build on it.

Models under this certificate 12

TSIO-550-C, TSIOF-550-P, TSIO-550-N, TSIO-550-G, TSIOF-550-J, TSIO-550-E, TSIOF-550-D, TSIO-550-B, TSIO-550-A, TSIO-550-J, TSIOF-550-K, TSIO-550-K

Engine series

The data sheet on the FAA's site: the approved engines and propellers, weights, speeds and limits for each model.

FAA orders on these designs 21 · newest first

2023-07-172023-09-09 · Exhaust Turbine System (Recip) · engine
2023-03-152023-05-16 · Reciprocating Engine Power Section · engine
2023-02-232023-04-08 · Reciprocating Engine Power Section · engine
2023-02-172023-02-12 · Engine Air Intake System · engine
2020-09-212020-16-11 · SUMMARY: Reciprocating Cylinder Section · engine
2016-11-182016-21-04 · Oil cooler cross fitting assembly · engine
2016-09-152016-16-12 · Cylinder assemblies · engine
2012-06-082012-10-13 · Starter adapters · engine

Approved modifications 11 · companies holding the most

Source: FAA type certificate data sheets (Dynamic Regulatory System); register counts from the FAA register of October 5, 2026. Connections as data: /graph/certificate/E5SO.json.