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Type certificates · engine · current

Type certificate E4IN

Held today by Continental Aerospace Technologies, INC., earlier by Rolls-Royce Plc\Rolls-Royce Limited. It covers 4 models. Last revised September 19, 2022 (revision 9). 7 approved modifications build on it.

Models under this certificate 4

RR O-300-C, RR O-300-A, RR O-300-D, RR O-300-B

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 0 · newest first

None in the current files.

Approved modifications 7 · 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/E4IN.json.