The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 10

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-161	Status: Current	App Date:	Rev Date:
Description: Enlarged window on each side of fuselage.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-242	Status: Current	App Date:	Rev Date:
Description: Enlarged window on each side of fuselage.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series, C-45 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-244	Status: Current	App Date:	Rev Date:
Description: Enlarged windows in cabin.
TC Nos.: A-765
Models: Raytheon Aircraft Company18 Series, C-45 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-257	Status: Current	App Date:	Rev Date:
Description: Windows on both sides of fuselage.
TC Nos.: A-618, A-669
Models: McDonnell Douglas CorporationDC-3 Series, DC-3 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-279	Status: Current	App Date:	Rev Date:
Description: Cabin windows enlarged and exit and original windows relocated.
TC Nos.: A-765
Models: Raytheon Aircraft CompanyC-45 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-318	Status: Current	App Date:	Rev Date:
Description: New windows and relocation of exits.
TC Nos.: A-618, A-669
Models: McDonnell Douglas CorporationDC-3 Series, DC-3 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-334	Status: Current	App Date:	Rev Date:
Description: Large window installation.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1-375	Status: Current	App Date:	Rev Date:
Description: Windows.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3 Series
ACO: AIR-750: East Certification Branch NY

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA106NW	Status: Historical	App Date:	Rev Date: 05/17/1974
Description: Installation of emergency exit on ach side of fuselage.
TC Nos.: A9EA
Models: Bombardier-Rotax GmbHDHC-6 Series
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: SK Engineering Co 16 Shotgun Lane, Levittown, NY 11756, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA106NW	Status: Current	App Date: 08/02/1973	Rev Date: 08/08/1974
Description: Installation of emergency exit on ach side of fuselage.
TC Nos.: A9EA
Models: Viking Air LimitedDHC-6-100
ACO: AIR-770: West Certification Branch SEA