Type certificate AR-7
Held today by Piper Aircraft INC.. It covers 3 models; about 3,621 aircraft on the U.S. register are built to it. Last revised August 7, 2006 (revision 11). 25 FAA orders name its designs, and 98 approved modifications build on it.
Models under this certificate 3
PA-18A-135 (Restricted), PA-18A (Restricted), PA-18A-150 (Restricted)
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 25 · newest first
2025-03-202025-02-11 · Rudder Structure · flight controls
2022-03-212022-03-15 · Fuel Quantity Indicator · fuel system
2015-06-032015-08-04 · Wings · landing gear
2014-01-1499-01-05 R1 · Wings · landing gear
2006-07-112006-12-07 · ECi cylinder assemblies · engine
2006-03-102006-03-08 · Vacuum pumps · instruments and avionics
2005-02-232005-01-19 · Mode S transponders · instruments and avionics
2001-12-282001-23-17 · GNS 430 units · instruments and avionics
Approved modifications 98 · 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/AR-7.json.