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DataBases updated: Aug 27th, 2026
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STC Holder: Capitol Aviation Inc

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: 11

STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-143Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Grimes D7080-12 rotating beacon on fuselage access panel.
TC Nos.: 1A6
Models:
The New Piper Aircraft Inc.PA-22 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-158Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Radio power pack on bulkhead forward of instrument panel.
TC Nos.: 1A10
Models:
The New Piper Aircraft Inc.PA-23 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-176Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Electric remote compass.
TC Nos.: A-782
Models:
Navion Aircraft Company Ltd.Navion Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-301Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Hand-operated hydraulic pump deactivated or removed and replaced with electric-driven equivalent.
TC Nos.: 2A4
Models:
Twin Commander Aircraft Corporation680 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-55Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Radio equipment.
TC Nos.: 3A10
Models:
The Cessna Aircraft Company310 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-56Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Oxygen equipment, Purtain Type E bottles and Scott#8800 console.
TC Nos.: 3A15, A-777
Models:
Raytheon Aircraft Company35 Series, 35 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-629Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Scott oxygen system.
TC Nos.: A-765
Models:
Raytheon Aircraft Company18 Series, C-45 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-630Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Two each skylight windows enlarged in cockpit with Conrad one-piece windshield per STC SA2-204.
TC Nos.: A-765
Models:
Raytheon Aircraft Company18 Series, C-45 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-89Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Equipment shelves and Grimes D-7080 rotating beacon.
TC Nos.: 3A12
Models:
The Cessna Aircraft Company172 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-90Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Lear ADF loop and housing.
TC Nos.: 3A12
Models:
The Cessna Aircraft Company172 Series
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
Capitol Aviation Inc
Capital Airport, Springfield, IL 62705, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-94Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Narco 1016 antenna and/or remote compass transmitter, equipment shelf, oxygen bottle mounting.
TC Nos.: 1A10
Models:
The New Piper Aircraft Inc.PA-23 Series
ACO: AIR-760: Central Certification Branch CHI