Type certificate E3NE
Held today by Pratt & Whitney, earlier by Pratt & Whitney Division. It covers 11 models; about 19 aircraft on the U.S. register are built to the designs it names. Last revised July 15, 2019 (revision 16). 62 FAA orders name its designs, and 9 approved modifications build on it.
Models under this certificate 11
JT9D-7Q, JT9D-7Q3, JT9D-7R4E4, JT9D-7R4E, JT9D-70A, JT9D-7R4H1, JT9D-7R4D1, JT9D-7R4D, JT9D-7R4E1, JT9D-7R4G2, JT9D-59A
Engine series
Pratt & Whitney JT9D-59A 1 aircraftPratt & Whitney JT9D-7R4D 4 aircraftPratt & Whitney JT9D-7R4E 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 62 · 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 9 · 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/E3NE.json.