Type certificate A18SO
Held today by Piper Aircraft INC.. It covers 1 model; about 442 aircraft on the U.S. register are built to it. Last revised March 4, 2022 (revision 6). 21 FAA orders name its designs, and 184 approved modifications build on it.
Models under this certificate 1
PA-38-112
On this site
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
2022-03-212022-03-15 · Fuel Quantity Indicator · fuel system
2006-03-102006-03-08 · Vacuum pumps · instruments and avionics
2001-12-282001-23-17 · GNS 430 units · instruments and avionics
1998-03-1698-03-16 · Upper Rudder Hinge Bracket · flight controls
1996-06-0796-09-06 · Air Filter Assemblies · airframe structure
1990-10-1590-19-03 · Main Landing Gear System · landing gear
1985-05-3085-11-06 · Control Loss · other and general
1983-09-2983-19-01 · Forward and Aft Fin Spars Repair/Modification · airframe structure
Approved modifications 184 · 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/A18SO.json.