Type certificate A-684
Held today by Textron Aviation INC., earlier by Beech Aircraft Corp.\Raytheon Aircraft Company\Hawker Beechcraft Corporation. It covers 6 models. Last revised November 27, 2017 (revision 6). 80 approved modifications build on it.
Models under this certificate 6
SA18D, A18A, SA18A, A18D, S18D, 18D
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 80 · 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/A-684.json.