Type certificate E20EA
Held today by Pratt & Whitney, earlier by Pratt & Whitney Division. It covers 9 models; about 18 aircraft on the U.S. register are built to the designs it names. Last revised February 10, 2000 (revision 14). 64 FAA orders name its designs, and 14 approved modifications build on it.
Models under this certificate 9
JT9D-7, JT9D-7AH, JT9D-7J, JT9D-3A, JT9D-7F, JT9D-7A, JT9D-20, JT9D-7H, JT9D-20J
Engine series
Pratt & Whitney JT9D-3A 4 aircraftPratt & Whitney JT9D-7 1 aircraftPratt & Whitney JT9D series 13 aircraft
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 64 · newest first
2021-05-272021-09-10 · Turbine Engine Compressor Section · engine
2012-04-272012-06-14 · HPT 1st stage air seals · engine
2012-04-232012-04-15 · Engine · engine
2012-01-172011-25-10 · High-pressure compressor (HPC) shafts · engine
2009-06-092009-10-01 · High-pressure turbine (HPT) vane assemblies · engine
2009-05-052009-04-18 · 2nd stage high pressure turbine (HPT) · engine
2007-10-052007-18-06 · Inspection of the blade root thickness · engine
2007-09-282007-17-21 · High pressure turbine (HPT) vane assemblies · engine
Approved modifications 14 · 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/E20EA.json.