STC Holder: McMakin Kent

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 3

STC Holder: McMakin Kent Address: 214 W. Franklin Street, Rockton, IL 61072, United States		Contact us to have your company added here!
STC No.: SA2921WE	Status: Historical	App Date:	Rev Date: 08/07/1990
TC Nos.: A-749,
Models: Ryan Aeronautical Company: ST-3KR (Army PT-22), ST-3KR (Army PT-22A)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Reduce size of cockpit openings, install rounded windshields, flush rivet and increase fuselage skin gages, install internal top longerons, remove external top longerons and install internal aileron balance weight.

STC Holder: McMakin Kent Address: 214 W. Franklin Street, Rockton, IL 61072, United States		Contact us to have your company added here!
STC No.: SA4317WE	Status: Historical	App Date:	Rev Date: 08/07/1990
TC Nos.: A-749,
Models: Ryan Aeronautical Company: ST-3KR (Army PT-22), ST-3KR (Army PT-22A)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of Ranger 6-440-C5 engine, Sensenich 86R61 propeller, and auxiliary fuel pump, and associated changes.

STC Holder: McMakin Kent Address: 214 W. Franklin Street, Rockton, IL 61072, United States		Contact us to have your company added here!
STC No.: SA4463NM	Status: Historical	App Date:	Rev Date: 08/07/1990
TC Nos.: A-749,
Models: Ryan Aeronautical Company: ST-3KR (Army PT-22), ST-3KR (Army PT-22A)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of Ryan Model ST-A type main landing gear.