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No. of STCs: 3

STC Holder: S & K Engineering Rt #1, Box 417B Greeneville Municipal Airport, Greeneville, TN 37743, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4102SW	Status: Current	App Date:	Rev Date: 12/01/1999
Description: Installation of Airstair. Approved for installation on Boeing 707-138B, serial number 18334 ONLY.
TC Nos.: 4A21
Models: The Boeing Company707-100 Long Body
ACO: AIR-750: East Certification Branch ATL

STC Holder: S & K Engineering Rt #1, Box 417B Greeneville Municipal Airport, Greeneville, TN 37743, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE416GL	Status: Current	App Date:	Rev Date: 09/08/1980
Description: Installation of a spin-on oil filter adapter and spin-on filter in lieu of original screen.
TC Nos.: E-246
Models: Teledyne Continental MotorsE165-2, E185-1, E185-11, E185-3, E185-8, E185-9
ACO: AIR-750: East Certification Branch ATL

STC Holder: S & K Engineering Rt #1, Box 417B Greeneville Municipal Airport, Greeneville, TN 37743, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE417GL	Status: Current	App Date:	Rev Date: 09/08/1980
Description: Installation of a spin-on oil filter adapter and spin-on filter in lieu of original screen.
TC Nos.: E-267
Models: Teledyne Continental MotorsE225-4, E225-8
ACO: AIR-750: East Certification Branch ATL